mirror of
https://github.com/mozilla/gecko-dev.git
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596 lines
22 KiB
C++
596 lines
22 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_PerformanceTiming_h
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#define mozilla_dom_PerformanceTiming_h
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#include "mozilla/Attributes.h"
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#include "mozilla/BasePrincipal.h"
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#include "mozilla/StaticPrefs_dom.h"
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#include "nsContentUtils.h"
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#include "nsDOMNavigationTiming.h"
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#include "nsRFPService.h"
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#include "nsWrapperCache.h"
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#include "Performance.h"
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#include "nsITimedChannel.h"
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#include "mozilla/dom/PerformanceTimingTypes.h"
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#include "mozilla/ipc/IPDLParamTraits.h"
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#include "ipc/IPCMessageUtils.h"
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#include "ipc/IPCMessageUtilsSpecializations.h"
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#include "mozilla/net/nsServerTiming.h"
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class nsIHttpChannel;
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namespace mozilla::dom {
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class PerformanceTiming;
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class PerformanceTimingData final {
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friend class PerformanceTiming;
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friend struct mozilla::ipc::IPDLParamTraits<
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mozilla::dom::PerformanceTimingData>;
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public:
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PerformanceTimingData() = default; // For deserialization
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// This can return null.
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static PerformanceTimingData* Create(nsITimedChannel* aChannel,
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nsIHttpChannel* aHttpChannel,
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DOMHighResTimeStamp aZeroTime,
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nsAString& aInitiatorType,
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nsAString& aEntryName);
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PerformanceTimingData(nsITimedChannel* aChannel, nsIHttpChannel* aHttpChannel,
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DOMHighResTimeStamp aZeroTime);
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explicit PerformanceTimingData(const IPCPerformanceTimingData& aIPCData);
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IPCPerformanceTimingData ToIPC();
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void SetPropertiesFromHttpChannel(nsIHttpChannel* aHttpChannel,
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nsITimedChannel* aChannel);
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bool IsInitialized() const { return mInitialized; }
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const nsString& NextHopProtocol() const { return mNextHopProtocol; }
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uint64_t TransferSize() const { return mTransferSize; }
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uint64_t EncodedBodySize() const { return mEncodedBodySize; }
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uint64_t DecodedBodySize() const { return mDecodedBodySize; }
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/**
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* @param aStamp
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* The TimeStamp recorded for a specific event. This TimeStamp can
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* be null.
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* @return the duration of an event with a given TimeStamp, relative to the
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* navigationStart TimeStamp (the moment the user landed on the
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* page), if the given TimeStamp is valid. Otherwise, it will return
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* the FetchStart timing value.
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*/
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inline DOMHighResTimeStamp TimeStampToReducedDOMHighResOrFetchStart(
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Performance* aPerformance, TimeStamp aStamp) {
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MOZ_ASSERT(aPerformance);
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if (aStamp.IsNull()) {
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return FetchStartHighRes(aPerformance);
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}
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DOMHighResTimeStamp rawTimestamp =
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TimeStampToDOMHighRes(aPerformance, aStamp);
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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rawTimestamp, aPerformance->GetRandomTimelineSeed(),
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aPerformance->IsSystemPrincipal(), aPerformance->CrossOriginIsolated());
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}
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/**
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* The nsITimedChannel records an absolute timestamp for each event.
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* The nsDOMNavigationTiming will record the moment when the user landed on
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* the page. This is a window.performance unique timestamp, so it can be used
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* for all the events (navigation timing and resource timing events).
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*
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* The algorithm operates in 2 steps:
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* 1. The first step is to subtract the two timestamps: the argument (the
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* event's timestamp) and the navigation start timestamp. This will result in
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* a relative timestamp of the event (relative to the navigation start -
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* window.performance.timing.navigationStart).
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* 2. The second step is to add any required offset (the mZeroTime). For now,
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* this offset value is either 0 (for the resource timing), or equal to
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* "performance.navigationStart" (for navigation timing).
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* For the resource timing, mZeroTime is set to 0, causing the result to be a
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* relative time.
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* For the navigation timing, mZeroTime is set to
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* "performance.navigationStart" causing the result be an absolute time.
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*
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* @param aStamp
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* The TimeStamp recorded for a specific event. This TimeStamp can't
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* be null.
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* @return number of milliseconds value as one of:
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* - relative to the navigation start time, time the user has landed on the
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* page
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* - an absolute wall clock time since the unix epoch
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*/
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inline DOMHighResTimeStamp TimeStampToDOMHighRes(Performance* aPerformance,
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TimeStamp aStamp) const {
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MOZ_ASSERT(aPerformance);
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MOZ_ASSERT(!aStamp.IsNull());
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TimeDuration duration = aStamp - aPerformance->CreationTimeStamp();
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return duration.ToMilliseconds() + mZeroTime;
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}
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// The last channel's AsyncOpen time. This may occur before the FetchStart
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// in some cases.
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DOMHighResTimeStamp AsyncOpenHighRes(Performance* aPerformance);
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// High resolution (used by resource timing)
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DOMHighResTimeStamp WorkerStartHighRes(Performance* aPerformance);
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DOMHighResTimeStamp FetchStartHighRes(Performance* aPerformance);
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DOMHighResTimeStamp RedirectStartHighRes(Performance* aPerformance);
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DOMHighResTimeStamp RedirectEndHighRes(Performance* aPerformance);
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DOMHighResTimeStamp DomainLookupStartHighRes(Performance* aPerformance);
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DOMHighResTimeStamp DomainLookupEndHighRes(Performance* aPerformance);
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DOMHighResTimeStamp ConnectStartHighRes(Performance* aPerformance);
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DOMHighResTimeStamp SecureConnectionStartHighRes(Performance* aPerformance);
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DOMHighResTimeStamp ConnectEndHighRes(Performance* aPerformance);
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DOMHighResTimeStamp RequestStartHighRes(Performance* aPerformance);
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DOMHighResTimeStamp ResponseStartHighRes(Performance* aPerformance);
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DOMHighResTimeStamp ResponseEndHighRes(Performance* aPerformance);
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DOMHighResTimeStamp ZeroTime() const { return mZeroTime; }
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uint8_t RedirectCountReal() const { return mRedirectCount; }
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uint8_t GetRedirectCount() const;
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bool AllRedirectsSameOrigin() const { return mAllRedirectsSameOrigin; }
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// If this is false the values of redirectStart/End will be 0 This is false if
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// no redirects occured, or if any of the responses failed the
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// timing-allow-origin check in HttpBaseChannel::TimingAllowCheck
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//
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// If aEnsureSameOriginAndIgnoreTAO is false, it checks if all redirects pass
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// TAO. When it is true, it checks if all redirects are same-origin and
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// ignores the result of TAO.
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bool ShouldReportCrossOriginRedirect(
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bool aEnsureSameOriginAndIgnoreTAO) const;
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// Cached result of CheckAllowedOrigin. If false, security sensitive
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// attributes of the resourceTiming object will be set to 0
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bool TimingAllowed() const { return mTimingAllowed; }
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nsTArray<nsCOMPtr<nsIServerTiming>> GetServerTiming();
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private:
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// Checks if the resource is either same origin as the page that started
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// the load, or if the response contains the Timing-Allow-Origin header
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// with a value of * or matching the domain of the loading Principal
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bool CheckAllowedOrigin(nsIHttpChannel* aResourceChannel,
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nsITimedChannel* aChannel);
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nsTArray<nsCOMPtr<nsIServerTiming>> mServerTiming;
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nsString mNextHopProtocol;
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TimeStamp mAsyncOpen;
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TimeStamp mRedirectStart;
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TimeStamp mRedirectEnd;
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TimeStamp mDomainLookupStart;
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TimeStamp mDomainLookupEnd;
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TimeStamp mConnectStart;
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TimeStamp mSecureConnectionStart;
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TimeStamp mConnectEnd;
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TimeStamp mRequestStart;
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TimeStamp mResponseStart;
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TimeStamp mCacheReadStart;
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TimeStamp mResponseEnd;
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TimeStamp mCacheReadEnd;
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// ServiceWorker interception timing information
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TimeStamp mWorkerStart;
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TimeStamp mWorkerRequestStart;
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TimeStamp mWorkerResponseEnd;
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// This is an offset that will be added to each timing ([ms] resolution).
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// There are only 2 possible values: (1) logicaly equal to navigationStart
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// TimeStamp (results are absolute timstamps - wallclock); (2) "0" (results
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// are relative to the navigation start).
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DOMHighResTimeStamp mZeroTime = 0;
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DOMHighResTimeStamp mFetchStart = 0;
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uint64_t mEncodedBodySize = 0;
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uint64_t mTransferSize = 0;
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uint64_t mDecodedBodySize = 0;
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uint8_t mRedirectCount = 0;
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bool mAllRedirectsSameOrigin = false;
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bool mAllRedirectsPassTAO = false;
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bool mSecureConnection = false;
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bool mTimingAllowed = false;
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bool mInitialized = false;
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};
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// Script "performance.timing" object
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class PerformanceTiming final : public nsWrapperCache {
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public:
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/**
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* @param aPerformance
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* The performance object (the JS parent).
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* This will allow access to "window.performance.timing" attribute
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* for the navigation timing (can't be null).
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* @param aChannel
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* An nsITimedChannel used to gather all the networking timings by
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* both the navigation timing and the resource timing (can't be null).
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* @param aHttpChannel
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* An nsIHttpChannel (the resource's http channel).
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* This will be used by the resource timing cross-domain check
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* algorithm.
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* Argument is null for the navigation timing (navigation timing uses
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* another algorithm for the cross-domain redirects).
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* @param aZeroTime
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* The offset that will be added to the timestamp of each event. This
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* argument should be equal to performance.navigationStart for
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* navigation timing and "0" for the resource timing.
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*/
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PerformanceTiming(Performance* aPerformance, nsITimedChannel* aChannel,
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nsIHttpChannel* aHttpChannel,
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DOMHighResTimeStamp aZeroTime);
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PerformanceTiming)
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NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(PerformanceTiming)
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nsDOMNavigationTiming* GetDOMTiming() const {
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return mPerformance->GetDOMTiming();
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}
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Performance* GetParentObject() const { return mPerformance; }
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virtual JSObject* WrapObject(JSContext* cx,
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JS::Handle<JSObject*> aGivenProto) override;
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// PerformanceNavigation WebIDL methods
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DOMTimeMilliSec NavigationStart() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetNavigationStart(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec UnloadEventStart() {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetUnloadEventStart(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec UnloadEventEnd() {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetUnloadEventEnd(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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// Low resolution (used by navigation timing)
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DOMTimeMilliSec FetchStart();
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DOMTimeMilliSec RedirectStart();
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DOMTimeMilliSec RedirectEnd();
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DOMTimeMilliSec DomainLookupStart();
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DOMTimeMilliSec DomainLookupEnd();
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DOMTimeMilliSec ConnectStart();
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DOMTimeMilliSec SecureConnectionStart();
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DOMTimeMilliSec ConnectEnd();
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DOMTimeMilliSec RequestStart();
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DOMTimeMilliSec ResponseStart();
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DOMTimeMilliSec ResponseEnd();
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DOMTimeMilliSec DomLoading() {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetDomLoading(), mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec DomInteractive() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetDomInteractive(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec DomContentLoadedEventStart() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetDomContentLoadedEventStart(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec DomContentLoadedEventEnd() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetDomContentLoadedEventEnd(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec DomComplete() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetDomComplete(), mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec LoadEventStart() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetLoadEventStart(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec LoadEventEnd() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetLoadEventEnd(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec TimeToNonBlankPaint() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetTimeToNonBlankPaint(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec TimeToContentfulPaint() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetTimeToContentfulComposite(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec TimeToDOMContentFlushed() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetTimeToDOMContentFlushed(),
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mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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DOMTimeMilliSec TimeToFirstInteractive() const {
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if (!StaticPrefs::dom_enable_performance()) {
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return 0;
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}
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return nsRFPService::ReduceTimePrecisionAsMSecs(
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GetDOMTiming()->GetTimeToTTFI(), mPerformance->GetRandomTimelineSeed(),
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mPerformance->IsSystemPrincipal(), mPerformance->CrossOriginIsolated());
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}
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PerformanceTimingData* Data() const { return mTimingData.get(); }
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private:
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~PerformanceTiming();
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bool IsTopLevelContentDocument() const;
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RefPtr<Performance> mPerformance;
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UniquePtr<PerformanceTimingData> mTimingData;
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};
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} // namespace mozilla::dom
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namespace mozilla::ipc {
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template <>
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struct IPDLParamTraits<mozilla::dom::PerformanceTimingData> {
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using paramType = mozilla::dom::PerformanceTimingData;
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static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor,
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const paramType& aParam) {
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WriteIPDLParam(aWriter, aActor, aParam.mServerTiming);
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WriteIPDLParam(aWriter, aActor, aParam.mNextHopProtocol);
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WriteIPDLParam(aWriter, aActor, aParam.mAsyncOpen);
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WriteIPDLParam(aWriter, aActor, aParam.mRedirectStart);
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WriteIPDLParam(aWriter, aActor, aParam.mRedirectEnd);
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WriteIPDLParam(aWriter, aActor, aParam.mDomainLookupStart);
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WriteIPDLParam(aWriter, aActor, aParam.mDomainLookupEnd);
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WriteIPDLParam(aWriter, aActor, aParam.mConnectStart);
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WriteIPDLParam(aWriter, aActor, aParam.mSecureConnectionStart);
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WriteIPDLParam(aWriter, aActor, aParam.mConnectEnd);
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WriteIPDLParam(aWriter, aActor, aParam.mRequestStart);
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WriteIPDLParam(aWriter, aActor, aParam.mResponseStart);
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WriteIPDLParam(aWriter, aActor, aParam.mCacheReadStart);
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WriteIPDLParam(aWriter, aActor, aParam.mResponseEnd);
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WriteIPDLParam(aWriter, aActor, aParam.mCacheReadEnd);
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WriteIPDLParam(aWriter, aActor, aParam.mWorkerStart);
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WriteIPDLParam(aWriter, aActor, aParam.mWorkerRequestStart);
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WriteIPDLParam(aWriter, aActor, aParam.mWorkerResponseEnd);
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WriteIPDLParam(aWriter, aActor, aParam.mZeroTime);
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WriteIPDLParam(aWriter, aActor, aParam.mFetchStart);
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WriteIPDLParam(aWriter, aActor, aParam.mEncodedBodySize);
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WriteIPDLParam(aWriter, aActor, aParam.mTransferSize);
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WriteIPDLParam(aWriter, aActor, aParam.mDecodedBodySize);
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WriteIPDLParam(aWriter, aActor, aParam.mRedirectCount);
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WriteIPDLParam(aWriter, aActor, aParam.mAllRedirectsSameOrigin);
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WriteIPDLParam(aWriter, aActor, aParam.mAllRedirectsPassTAO);
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WriteIPDLParam(aWriter, aActor, aParam.mSecureConnection);
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WriteIPDLParam(aWriter, aActor, aParam.mTimingAllowed);
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WriteIPDLParam(aWriter, aActor, aParam.mInitialized);
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}
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static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
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paramType* aResult) {
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if (!ReadIPDLParam(aReader, aActor, &aResult->mServerTiming)) {
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return false;
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}
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if (!ReadIPDLParam(aReader, aActor, &aResult->mNextHopProtocol)) {
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return false;
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}
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if (!ReadIPDLParam(aReader, aActor, &aResult->mAsyncOpen)) {
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return false;
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}
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if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectStart)) {
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|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectEnd)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mDomainLookupStart)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mDomainLookupEnd)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mConnectStart)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mSecureConnectionStart)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mConnectEnd)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mRequestStart)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mResponseStart)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mCacheReadStart)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mResponseEnd)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mCacheReadEnd)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerStart)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerRequestStart)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerResponseEnd)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mZeroTime)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mFetchStart)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mEncodedBodySize)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mTransferSize)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mDecodedBodySize)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectCount)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mAllRedirectsSameOrigin)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mAllRedirectsPassTAO)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mSecureConnection)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mTimingAllowed)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &aResult->mInitialized)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct IPDLParamTraits<nsIServerTiming*> {
|
|
static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor,
|
|
nsIServerTiming* aParam) {
|
|
nsAutoCString name;
|
|
Unused << aParam->GetName(name);
|
|
double duration = 0;
|
|
Unused << aParam->GetDuration(&duration);
|
|
nsAutoCString description;
|
|
Unused << aParam->GetDescription(description);
|
|
WriteIPDLParam(aWriter, aActor, name);
|
|
WriteIPDLParam(aWriter, aActor, duration);
|
|
WriteIPDLParam(aWriter, aActor, description);
|
|
}
|
|
|
|
static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
|
|
RefPtr<nsIServerTiming>* aResult) {
|
|
nsAutoCString name;
|
|
double duration;
|
|
nsAutoCString description;
|
|
if (!ReadIPDLParam(aReader, aActor, &name)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &duration)) {
|
|
return false;
|
|
}
|
|
if (!ReadIPDLParam(aReader, aActor, &description)) {
|
|
return false;
|
|
}
|
|
|
|
RefPtr<nsServerTiming> timing = new nsServerTiming();
|
|
timing->SetName(name);
|
|
timing->SetDuration(duration);
|
|
timing->SetDescription(description);
|
|
*aResult = timing.forget();
|
|
return true;
|
|
}
|
|
};
|
|
|
|
} // namespace mozilla::ipc
|
|
|
|
#endif // mozilla_dom_PerformanceTiming_h
|