Messages needed for webview compositor communication.

content/browser/browser_plugin/browser_plugin_guest.h

Index: content/browser/browser_plugin/browser_plugin_guest.h
diff --git a/content/browser/browser_plugin/browser_plugin_guest.h b/content/browser/browser_plugin/browser_plugin_guest.h
index 6a44a152c97d5f10063c5ef7b9908f91b3ce82b0..3f80083c72f382f13fef698d61b49b5713ea3ec9 100644
--- a/content/browser/browser_plugin/browser_plugin_guest.h
+++ b/content/browser/browser_plugin/browser_plugin_guest.h
@@ -213,6 +213,12 @@ class CONTENT_EXPORT BrowserPluginGuest : public NotificationObserver,
 #endif
                                const gfx::Size& damage_view_size,
                                float scale_factor);
+  void SetCompositingBufferData(int gpu_process_id,
+                                uint32 client_id,
+                                uint32 context_id,
+                                uint32 texture_id_0,
+                                uint32 texture_id_1,
+                                uint32 sync_point);
 
  private:
   friend class TestBrowserPluginGuest;
@@ -268,6 +274,9 @@ class CONTENT_EXPORT BrowserPluginGuest : public NotificationObserver,
   int min_height_;
   int min_width_;
 
+  // Hardware accelerated surface params.
+  gfx::GLSurfaceHandle surface_handle_;
+
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginGuest);
 };