Resolves layering violation in SynchronousCompositorHost creation

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index 10f335fe030b39206231da383cf90b5ffeed12ea..e8754e0b7833d7754a0c98491bd665672806793c 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -62,6 +62,7 @@ class OverscrollControllerAndroid;
 class RenderWidgetHost;
 class RenderWidgetHostImpl;
 class SynchronousCompositorHost;
+class SynchronousCompositorClient;
 struct NativeWebKeyboardEvent;
 struct TextInputState;
 
@@ -237,6 +238,12 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
 
   void SynchronousFrameMetadata(cc::CompositorFrameMetadata frame_metadata);
 
+  void SetSynchronousCompositorClient(SynchronousCompositorClient* client);
+
+  SynchronousCompositorClient* synchronous_compositor_client() const {
+    return synchronous_compositor_client_;
+  }
+
   static void OnContextLost();
 
  private:
@@ -351,6 +358,8 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   const bool using_browser_compositor_;
   std::unique_ptr<SynchronousCompositorHost> sync_compositor_;
 
+  SynchronousCompositorClient* synchronous_compositor_client_;
+
   std::unique_ptr<DelegatedFrameEvictor> frame_evictor_;
 
   size_t locks_on_frame_count_;