Bug 1300045 part 1 - Tidy up some missing includes r=hiro

I came across these while working on a different bug that changed the grouping
in the unified build. Adding these as a separate step will hopefully remove a
little noise from the next patch in the series.

MozReview-Commit-ID: Km7wTcVWG9n

--HG--
extra : rebase_source : 0610add67482c1a5aa7c4f576e151ed9437698c0

dom/animation/KeyframeEffect.cpp

@@ -7,8 +7,11 @@
 #include "mozilla/dom/KeyframeEffect.h"
 
 #include "mozilla/dom/AnimatableBinding.h"
+#include "mozilla/dom/AnimationEffectTiming.h"
+#include "mozilla/dom/CSSPseudoElement.h"
 #include "mozilla/dom/KeyframeEffectBinding.h"
 #include "mozilla/AnimationUtils.h"
+#include "mozilla/EffectSet.h"
 #include "mozilla/FloatingPoint.h"
 #include "mozilla/LookAndFeel.h" // For LookAndFeel::GetInt
 #include "mozilla/KeyframeUtils.h"
@@ -169,7 +172,7 @@ KeyframeEffectReadOnly::SetKeyframes(JSContext* aContext,
 
 void
 KeyframeEffectReadOnly::SetKeyframes(nsTArray<Keyframe>&& aKeyframes,
-                                  nsStyleContext* aStyleContext)
+                                     nsStyleContext* aStyleContext)
 {
   if (KeyframesEqualIgnoringComputedOffsets(aKeyframes, mKeyframes)) {
     return;

dom/animation/KeyframeEffectParams.cpp

@@ -7,6 +7,7 @@
 #include "mozilla/KeyframeEffectParams.h"
 
 #include "mozilla/AnimationUtils.h"
+#include "mozilla/ErrorResult.h"
 #include "mozilla/KeyframeUtils.h"
 #include "mozilla/RangedPtr.h"
 #include "nsReadableUtils.h"

dom/animation/KeyframeEffectParams.h

@@ -12,6 +12,8 @@
 
 namespace mozilla {
 
+class ErrorResult;
+
 enum class SpacingMode
 {
   distribute,

dom/animation/KeyframeUtils.cpp

@@ -17,6 +17,7 @@
 #include "jsapi.h" // For ForOfIterator etc.
 #include "nsClassHashtable.h"
 #include "nsCSSParser.h"
+#include "nsCSSPropertyIDSet.h"
 #include "nsCSSProps.h"
 #include "nsCSSPseudoElements.h" // For CSSPseudoElementType
 #include "nsTArray.h"

dom/animation/KeyframeUtils.h

@@ -9,9 +9,12 @@
 
 #include "nsTArrayForwardDeclare.h" // For nsTArray
 #include "js/RootingAPI.h" // For JS::Handle
+#include "mozilla/KeyframeEffectParams.h" // SpacingMode
 
 struct JSContext;
 class JSObject;
+class nsIDocument;
+class nsStyleContext;
 
 namespace mozilla {
 struct AnimationProperty;