Rename ClientDimensions to ClientResolution and add pixel-size and DPI fields.

remoting/protocol/client_control_dispatcher.h

Index: remoting/protocol/client_control_dispatcher.h
diff --git a/remoting/protocol/client_control_dispatcher.h b/remoting/protocol/client_control_dispatcher.h
index a28bbd0d34a8d630f22f017f4b514c537acf1b46..a1bc79ba83c88bba4ff090824d7ab5f364dfb6d7 100644
--- a/remoting/protocol/client_control_dispatcher.h
+++ b/remoting/protocol/client_control_dispatcher.h
@@ -34,8 +34,8 @@ class ClientControlDispatcher : public ChannelDispatcherBase,
   virtual void InjectClipboardEvent(const ClipboardEvent& event) OVERRIDE;
 
   // HostStub implementation.
-  virtual void NotifyClientDimensions(
-      const ClientDimensions& dimensions) OVERRIDE;
+  virtual void NotifyClientResolution(
+      const ClientResolution& resolution) OVERRIDE;
   virtual void ControlVideo(const VideoControl& video_control) OVERRIDE;
   virtual void ControlAudio(const AudioControl& audio_control) OVERRIDE;