Remove implicit scoped_refptr operator T*

ppapi/proxy/plugin_dispatcher.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/plugin_dispatcher.h"
 
 #include <map>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 38 matching lines @@
 }  // namespace
 
 InstanceData::InstanceData()
     : flash_fullscreen(PP_FALSE),
       is_request_surrounding_text_pending(false),
       should_do_request_surrounding_text(false) {
 }
 
 InstanceData::~InstanceData() {
   // Run any pending mouse lock callback to prevent leaks.
-  if (mouse_lock_callback)
+  if (mouse_lock_callback.get())
     mouse_lock_callback->Abort();
 }
 
 PluginDispatcher::PluginDispatcher(PP_GetInterface_Func get_interface,
                                    const PpapiPermissions& permissions,
                                    bool incognito)
     : Dispatcher(get_interface, permissions),
       plugin_delegate_(NULL),
       received_preferences_(false),
       plugin_dispatcher_id_(0),
@@ skipping 257 matching lines @@
   // once they're set. The user will have to restart to get new font prefs
   // propogated to plugins.
   if (!received_preferences_) {
     received_preferences_ = true;
     preferences_ = prefs;
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi