Update chrome/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/extensions/extension_system.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 "chrome/browser/extensions/extension_system.h"
 
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 233 matching lines @@
 
 ManagementPolicy* ExtensionSystemImpl::Shared::management_policy() {
   return management_policy_.get();
 }
 
 UserScriptMaster* ExtensionSystemImpl::Shared::user_script_master() {
   return user_script_master_.get();
 }
 
 ExtensionInfoMap* ExtensionSystemImpl::Shared::info_map() {
-  if (!extension_info_map_)
+  if (!extension_info_map_.get())
     extension_info_map_ = new ExtensionInfoMap();
   return extension_info_map_.get();
 }
 
 LazyBackgroundTaskQueue*
     ExtensionSystemImpl::Shared::lazy_background_task_queue() {
   return lazy_background_task_queue_.get();
 }
 
 EventRouter* ExtensionSystemImpl::Shared::event_router() {
@@ skipping 151 matching lines @@
 void ExtensionSystemImpl::UnregisterExtensionWithRequestContexts(
     const std::string& extension_id,
     const extension_misc::UnloadedExtensionReason reason) {
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&ExtensionInfoMap::RemoveExtension, info_map(),
                  extension_id, reason));
 }
 
 }  // namespace extensions