Refactoring of the client-side input pipeline and scaling dimension management.

remoting/client/plugin/chromoting_instance.h

Index: remoting/client/plugin/chromoting_instance.h
diff --git a/remoting/client/plugin/chromoting_instance.h b/remoting/client/plugin/chromoting_instance.h
index 427d420aced3ec1483002edd6ea70a8be750fcb1..c4d17f6a3ea14b47e81c3f3091f39a96803953bf 100644
--- a/remoting/client/plugin/chromoting_instance.h
+++ b/remoting/client/plugin/chromoting_instance.h
@@ -32,12 +32,14 @@ namespace remoting {
 
 namespace protocol {
 class ConnectionToHost;
+class KeyEventTracker;
 }  // namespace protocol
 
 class ChromotingClient;
 class ChromotingStats;
 class ClientContext;
-class InputHandler;
+class MouseInputFilter;
+class PepperInputHandler;
 class PepperView;
 class PepperViewProxy;
 class RectangleUpdateDecoder;
@@ -127,7 +129,9 @@ class ChromotingInstance : public pp::InstancePrivate {
   // outstanding tasks on the pepper message loop.
   scoped_refptr<PepperViewProxy> view_proxy_;
   scoped_refptr<RectangleUpdateDecoder> rectangle_decoder_;
-  scoped_ptr<InputHandler> input_handler_;
+  scoped_ptr<MouseInputFilter> mouse_input_filter_;
+  scoped_ptr<protocol::KeyEventTracker> key_event_tracker_;
+  scoped_ptr<PepperInputHandler> input_handler_;
   scoped_ptr<ChromotingClient> client_;
 
   // XmppProxy is a refcounted interface used to perform thread-switching and