Remove access to WebContents in RWHVA::SynchronousFrameMetadata()

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..038f324fcc3ab2997a28e10c135f91bb137b8978 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.
@@ -91,6 +93,8 @@ class WebContentsViewAndroid : public WebContentsView,
   void OnDragEnded();
 
  private:
+  void SetSynchronousCompositorClientFor(RenderWidgetHostViewAndroid* rwhv);
+
   // The WebContents whose contents we display.
   WebContentsImpl* web_contents_;