From 6aa36c0f9994a0f13d695682237eed682b5aed09 Mon Sep 17 00:00:00 2001
From: Botond Ballo <botond@mozilla.com>
Date: Wed, 24 Aug 2016 13:42:57 -0400
Subject: [PATCH] Bug 1321885 - Add CSSPixel::FromAppUnits(nscoord) and
 CSSPixel::ToAppUnits(CSSCoord). r=kats

MozReview-Commit-ID: 8V9gjVf35bC

--HG--
extra : rebase_source : 7fc17e00fddbdbe4856c08a78729e8467a1f9571
---
 layout/base/Units.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/layout/base/Units.h b/layout/base/Units.h
index d363860b12e9..7db686ea15a3 100644
--- a/layout/base/Units.h
+++ b/layout/base/Units.h
@@ -194,6 +194,10 @@ struct CSSPixel {
 
   // Conversions from app units
 
+  static CSSCoord FromAppUnits(nscoord aCoord) {
+    return NSAppUnitsToFloatPixels(aCoord, float(AppUnitsPerCSSPixel()));
+  }
+
   static CSSPoint FromAppUnits(const nsPoint& aPoint) {
     return CSSPoint(NSAppUnitsToFloatPixels(aPoint.x, float(AppUnitsPerCSSPixel())),
                     NSAppUnitsToFloatPixels(aPoint.y, float(AppUnitsPerCSSPixel())));
@@ -238,6 +242,10 @@ struct CSSPixel {
 
   // Conversions to app units
 
+  static nscoord ToAppUnits(CSSCoord aCoord) {
+    return NSToCoordRoundWithClamp(aCoord * float(AppUnitsPerCSSPixel()));
+  }
+
   static nsPoint ToAppUnits(const CSSPoint& aPoint) {
     return nsPoint(NSToCoordRoundWithClamp(aPoint.x * float(AppUnitsPerCSSPixel())),
                    NSToCoordRoundWithClamp(aPoint.y * float(AppUnitsPerCSSPixel())));