Chromium plumbing for Screen Orientation API orientationchange events.

content/browser/renderer_host/render_process_host_impl.h

Index: content/browser/renderer_host/render_process_host_impl.h
diff --git a/content/browser/renderer_host/render_process_host_impl.h b/content/browser/renderer_host/render_process_host_impl.h
index 943fd5fa53493c2ff809859d3b8de70db67e1c04..b2e5db6473d9d9a6c6ccfcaf3f080dfb4f19f673 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -47,6 +47,7 @@ class RenderWidgetHelper;
 class RenderWidgetHost;
 class RenderWidgetHostImpl;
 class RenderWidgetHostViewFrameSubscriber;
+class ScreenOrientationDispatcherHost;
 class StoragePartition;
 class StoragePartitionImpl;
 
@@ -172,6 +173,9 @@ class CONTENT_EXPORT RenderProcessHostImpl
   void WebRtcLogMessage(const std::string& message);
 #endif
 
+  scoped_refptr<ScreenOrientationDispatcherHost>
+      screen_orientation_dispatcher_host() const;
+
   // Register/unregister the host identified by the host id in the global host
   // list.
   static void RegisterHost(int host_id, RenderProcessHost* host);
@@ -411,6 +415,9 @@ class CONTENT_EXPORT RenderProcessHostImpl
   // Lives on the browser's ChildThread.
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
+  // Message filter and dispatcher for screen orientation.
+  ScreenOrientationDispatcherHost* screen_orientation_dispatcher_host_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };