Reapply r51857 to start building chromoting plugin. Update for ppapi changes.

remoting/client/chromoting_client.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // ChromotingClient is the controller for the Client implementation.
 
 #ifndef REMOTING_CLIENT_CHROMOTING_CLIENT_H
 #define REMOTING_CLIENT_CHROMOTING_CLIENT_H
 
 #include "base/task.h"
@@ skipping 10 matching lines @@
   ChromotingClient(MessageLoop* message_loop,
                    HostConnection* connection,
                    ChromotingView* view);
   virtual ~ChromotingClient();
 
   // Signals that the associated view may need updating.
   virtual void Repaint();
 
   // Sets the viewport to do display.  The viewport may be larger and/or
   // smaller than the actual image background being displayed.
+  //
+  // TODO(ajwong): This doesn't make sense to have here.  We're going to have
+  // threading isseus since pepper view needs to be called from the main pepper
+  // thread synchronously really.
   virtual void SetViewport(int x, int y, int width, int height);
 
   // HostConnection::HostEventCallback implementation.
   virtual void HandleMessages(HostConnection* conn, HostMessageList* messages);
   virtual void OnConnectionOpened(HostConnection* conn);
   virtual void OnConnectionClosed(HostConnection* conn);
   virtual void OnConnectionFailed(HostConnection* conn);
 
  private:
   enum State {
@@ skipping 28 matching lines @@
   ChromotingView* view_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingClient);
 };
 
 }  // namespace remoting
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(remoting::ChromotingClient);
 
 #endif  // REMOTING_CLIENT_CHROMOTING_CLIENT_H