Move CompositorPendingAnimations to Oilpan's heap

third_party/WebKit/Source/core/dom/Document.h

Index: third_party/WebKit/Source/core/dom/Document.h
diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h
index 88e183f352f75dd9719e557e5ba4009468cf0d44..b8c2865e2ed49791223acdb992c35b55ac94c368 100644
--- a/third_party/WebKit/Source/core/dom/Document.h
+++ b/third_party/WebKit/Source/core/dom/Document.h
@@ -971,7 +971,7 @@ public:
 
     AnimationClock& animationClock();
     AnimationTimeline& timeline() const { return *m_timeline; }
-    CompositorPendingAnimations& compositorPendingAnimations() { return m_compositorPendingAnimations; }
+    CompositorPendingAnimations& compositorPendingAnimations() { return *m_compositorPendingAnimations; }

[sof, 2016/03/24 17:36:06]

Wait, you need to create this heap object somewhere.

 
     void addToTopLayer(Element*, const Element* before = nullptr);
     void removeFromTopLayer(Element*);
@@ -1372,7 +1372,7 @@ private:
     LocaleIdentifierToLocaleMap m_localeCache;
 
     PersistentWillBeMember<AnimationTimeline> m_timeline;
-    CompositorPendingAnimations m_compositorPendingAnimations;
+    PersistentWillBeMember<CompositorPendingAnimations> m_compositorPendingAnimations;

[sof, 2016/03/24 15:02:10]

Can we forward declare CompositorPendingAnimations rather than have Document.h
include it? Doesn't have to be done in this CL, but the shorter the include list
from Document, the better.

 
     RefPtrWillBeMember<Document> m_templateDocument;
     // With Oilpan the templateDocument and the templateDocumentHost