Adding compositor callbacks to RenderWidgetHostViewAndroid

content/browser/android/content_view_core_impl.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <vector>
 
 #include "base/android/jni_android.h"
@@ skipping 14 matching lines @@
 #include "ui/gfx/rect_f.h"
 #include "url/gurl.h"
 
 namespace ui {
 class ViewAndroid;
 class WindowAndroid;
 }
 
 namespace content {
 class RenderWidgetHostViewAndroid;
+class Compositor;
 struct MenuItem;
 
 // TODO(jrg): this is a shell.  Upstream the rest.
 class ContentViewCoreImpl : public ContentViewCore,
                             public NotificationObserver,
                             public WebContentsObserver {
  public:
   static ContentViewCoreImpl* FromWebContents(WebContents* web_contents);
   ContentViewCoreImpl(JNIEnv* env,
                       jobject obj,
@@ skipping 251 matching lines @@
   gfx::Size GetPhysicalBackingSize() const;
   gfx::Size GetViewportSizeDip() const;
   gfx::Size GetViewportSizeOffsetDip() const;
   float GetOverdrawBottomHeightDip() const;
 
   void AttachLayer(scoped_refptr<cc::Layer> layer);
   void RemoveLayer(scoped_refptr<cc::Layer> layer);
   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;
 
   friend class ContentViewUserData;
   virtual ~ContentViewCoreImpl();
 
   // NotificationObserver implementation.
   virtual void Observe(int type,
                        const NotificationSource& source,
@@ skipping 60 matching lines @@
   // like AutofillPopup.
   ui::ViewAndroid* view_android_;
 
   // The owning window that has a hold of main application activity.
   ui::WindowAndroid* window_android_;
 
   // The cache of device's current orientation set from Java side, this value
   // 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);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_