VR: Disable Overscroll Glow in VrShell

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 1250f2f40485fb905f4776e16180cf1aa7470f18..c805d35457443cb57747f1a24fcee6f3a5c8a531 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -144,6 +144,7 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   void OnSwapCompositorFrame(uint32_t compositor_frame_sink_id,
                              cc::CompositorFrame frame) override;
   void ClearCompositorFrame() override;
+  void SetShowingOverscrollGlow(bool showing_glow) override;
   void DidOverscroll(const ui::DidOverscrollParams& params) override;
   void DidStopFlinging() override;
   cc::FrameSinkId GetFrameSinkId() override;
@@ -313,6 +314,9 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   bool is_window_visible_;
   bool is_window_activity_started_;
 
+  // Used to control the appearance of overscroll glow.
+  bool is_showing_overscroll_glow_;
+
   // ContentViewCoreImpl is our interface to the view system.
   ContentViewCoreImpl* content_view_core_;