Adding compositor callbacks to RenderWidgetHostViewAndroid

content/browser/android/content_view_core_impl.h

Index: content/browser/android/content_view_core_impl.h
diff --git a/content/browser/android/content_view_core_impl.h b/content/browser/android/content_view_core_impl.h
index 6b83da70b1c78d68412f74d33b839d21f87ab99e..a252fce9243b23a2c4704b6b9cd2868af0a62c9a 100644
--- a/content/browser/android/content_view_core_impl.h
+++ b/content/browser/android/content_view_core_impl.h
@@ -32,6 +32,7 @@ class WindowAndroid;
 
 namespace content {
 class RenderWidgetHostViewAndroid;
+class Compositor;
 struct MenuItem;
 
 // TODO(jrg): this is a shell.  Upstream the rest.
@@ -303,6 +304,8 @@ class ContentViewCoreImpl : public ContentViewCore,
   void AddBeginFrameSubscriber();
   void RemoveBeginFrameSubscriber();
   void SetNeedsAnimate();
+  void SetCompositor(Compositor* compositor);

[no sievers, 2013/10/16 23:34:23]

We actually need a public content API for this to be usable (for example,
something exposed in content_view_core.h).

[powei, 2013/10/19 00:05:18]

Done.

+  Compositor* GetCompositor() const { return compositor_; }
 
  private:
   class ContentViewUserData;
@@ -383,6 +386,10 @@ class ContentViewCoreImpl : public ContentViewCore,
   // will be sent to Renderer once it is ready.
   int device_orientation_;
 
+  // ContentViewCore does not own the compositor.  This reference is kept to
+  // allow for adding observers to the compositor.
+  Compositor* compositor_;
+
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };