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

remoting/host/resizing_host_observer.h

Index: remoting/host/resizing_host_observer.h
diff --git a/remoting/host/resizing_host_observer.h b/remoting/host/resizing_host_observer.h
index 41b18feb2196bc13826eac28d987b64666da9161..f6badb6174c875a6172b1ed32b07e5408e0915b7 100644
--- a/remoting/host/resizing_host_observer.h
+++ b/remoting/host/resizing_host_observer.h
@@ -29,8 +29,9 @@ class ResizingHostObserver : public HostStatusObserver {
   // HostStatusObserver interface
   virtual void OnClientAuthenticated(const std::string& jid) OVERRIDE;
   virtual void OnClientDisconnected(const std::string& jid) OVERRIDE;
-  virtual void OnClientDimensionsChanged(const std::string& jid,
-                                         const SkISize& size) OVERRIDE;
+  virtual void OnClientResolutionChanged(const std::string& jid,
+                                         const SkISize& size,
+                                         const SkIPoint& dpi) OVERRIDE;
 
  private:
   DesktopResizer* const desktop_resizer_;