Resolves layering violation in SynchronousCompositorHost creation

content/browser/web_contents/web_contents_view_android.h

Index: content/browser/web_contents/web_contents_view_android.h
diff --git a/content/browser/web_contents/web_contents_view_android.h b/content/browser/web_contents/web_contents_view_android.h
index bd2c52dce6596a14c1baf07826b257f9b5192d0b..f2ddca62dcc9aacb7917f3e0a30225a93ed1612e 100644
--- a/content/browser/web_contents/web_contents_view_android.h
+++ b/content/browser/web_contents/web_contents_view_android.h
@@ -18,6 +18,8 @@
 
 namespace content {
 class ContentViewCoreImpl;
+class RenderWidgetHostViewAndroid;
+class SynchronousCompositorClient;
 class WebContentsImpl;
 
 // Android-specific implementation of the WebContentsView.
@@ -33,6 +35,14 @@ class WebContentsViewAndroid : public WebContentsView,
   // by the UI frontend.
   void SetContentViewCore(ContentViewCoreImpl* content_view_core);
 
+  void set_synchronous_compositor_client(SynchronousCompositorClient* client) {
+    synchronous_compositor_client_ = client;
+  }
+
+  SynchronousCompositorClient* synchronous_compositor_client() const {
+    return synchronous_compositor_client_;
+  }
+
   // WebContentsView implementation --------------------------------------------
   gfx::NativeView GetNativeView() const override;
   gfx::NativeView GetContentNativeView() const override;
@@ -103,6 +113,9 @@ class WebContentsViewAndroid : public WebContentsView,
   // The native view associated with the contents of the web.
   ui::ViewAndroid view_;
 
+  // Interface used to get notified of events from the synchronous compositor.
+  SynchronousCompositorClient* synchronous_compositor_client_;
+
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewAndroid);
 };