[Android WebView] Migrate the rendering code to a separate set of classes.

android_webview/renderer/aw_render_view_ext.h

Index: android_webview/renderer/aw_render_view_ext.h
diff --git a/android_webview/renderer/aw_render_view_ext.h b/android_webview/renderer/aw_render_view_ext.h
index 49cee36d6667ec9e9d35022dc50e7041b9ed670b..8cea6e458db6817958bf1f57f43b14bbad01d6a2 100644
--- a/android_webview/renderer/aw_render_view_ext.h
+++ b/android_webview/renderer/aw_render_view_ext.h
@@ -7,7 +7,6 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "base/memory/weak_ptr.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPermissionClient.h"
 
@@ -28,9 +27,6 @@ class AwRenderViewExt : public content::RenderViewObserver,
  public:
   static void RenderViewCreated(content::RenderView* render_view);
 
-  // Required to be public by IPC_MESSAGE_HANDLER for sync messages.
-  using content::RenderViewObserver::Send;
-
  private:
   AwRenderViewExt(content::RenderView* render_view);
   virtual ~AwRenderViewExt();
@@ -40,16 +36,11 @@ class AwRenderViewExt : public content::RenderViewObserver,
   virtual void DidCommitProvisionalLoad(WebKit::WebFrame* frame,
                                         bool is_new_navigation) OVERRIDE;
   virtual void FocusedNodeChanged(const WebKit::WebNode& node) OVERRIDE;
-  virtual void DidCommitCompositorFrame() OVERRIDE;
 
   void OnDocumentHasImagesRequest(int id);
 
   void OnDoHitTest(int view_x, int view_y);
 
-  void OnEnableCapturePictureCallback(bool enable);
-
-  void OnCapturePictureSync();
-
   void OnSetTextZoomLevel(double zoom_level);
 
   // WebKit::WebPermissionClient implementation.