Implement surface-based browser process hit testing for Mac and Aura

content/browser/renderer_host/render_widget_host_view_mac.h

Index: content/browser/renderer_host/render_widget_host_view_mac.h
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.h b/content/browser/renderer_host/render_widget_host_view_mac.h
index e9955cad3e0d15762ec9db71c5d69707137f569a..cd02250e4eaa483573e6b74a151be6a7ce605e77 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.h
+++ b/content/browser/renderer_host/render_widget_host_view_mac.h
@@ -341,6 +341,10 @@ class CONTENT_EXPORT RenderWidgetHostViewMac
                      InputEventAckState ack_result) override;
 
   uint32_t GetSurfaceIdNamespace() override;
+  uint32_t SurfaceIdNamespaceAtPoint(const gfx::Point& point,
+                                     gfx::Point* transformed_point) override;
+  void ProcessMouseEvent(const blink::WebMouseEvent& event) override;
+  void ProcessMouseWheelEvent(const blink::WebMouseWheelEvent& event) override;
 
   // IPC::Sender implementation.
   bool Send(IPC::Message* message) override;