Implement HiDPI support in Pepper dev interface

ppapi/proxy/resource_creation_proxy.cc

 // Copyright (c) 2012 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.
 
 #include "ppapi/proxy/resource_creation_proxy.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_size.h"
 #include "ppapi/c/trusted/ppb_image_data_trusted.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
@@ skipping 228 matching lines @@
   return PPB_Flash_Menu_Proxy::CreateProxyResource(instance, menu_data);
 }
 
 PP_Resource ResourceCreationProxy::CreateFlashMessageLoop(
     PP_Instance instance) {
   return PPB_Flash_MessageLoop_Proxy::CreateProxyResource(instance);
 }
 
 PP_Resource ResourceCreationProxy::CreateGraphics2D(PP_Instance instance,
                                                     const PP_Size& size,
-                                                    PP_Bool is_always_opaque) {
+                                                    PP_Bool is_always_opaque,
+                                                    float scale) {
   return PPB_Graphics2D_Proxy::CreateProxyResource(instance, size,
-                                                   is_always_opaque);
+                                                   is_always_opaque,
+                                                   scale);
 }
 
 PP_Resource ResourceCreationProxy::CreateHostResolverPrivate(
     PP_Instance instance) {
   return PPB_HostResolver_Private_Proxy::CreateProxyResource(instance);
 }
 
 PP_Resource ResourceCreationProxy::CreateNetworkMonitor(
       PP_Instance instance,
       PPB_NetworkMonitor_Callback callback,
@@ skipping 78 matching lines @@
 bool ResourceCreationProxy::Send(IPC::Message* msg) {
   return dispatcher()->Send(msg);
 }
 
 bool ResourceCreationProxy::OnMessageReceived(const IPC::Message& msg) {
   return false;
 }
 
 }  // namespace proxy
 }  // namespace ppapi