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

chrome/browser/ui/webui/extensions/pack_extension_handler.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/ui/webui/extensions/pack_extension_handler.h"
 
 #include "chrome/browser/extensions/extension_creator.h"
 #include "chrome/browser/ui/chrome_select_file_policy.h"
 #include "base/bind.h"
 #include "base/utf_string_conversions.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 PackExtensionHandler::PackExtensionHandler() {
 }
 
 PackExtensionHandler::~PackExtensionHandler() {
   // There may be pending file dialogs, we need to tell them that we've gone
   // away so they don't try and call back to us.
-  if (load_extension_dialog_)
+  if (load_extension_dialog_.get())
     load_extension_dialog_->ListenerDestroyed();
 
   if (pack_job_.get())
     pack_job_->ClearClient();
 }
 
 void PackExtensionHandler::GetLocalizedValues(
     content::WebUIDataSource* source) {
   source->AddString("packExtensionOverlay",
       l10n_util::GetStringUTF16(IDS_EXTENSION_PACK_DIALOG_TITLE));
@@ skipping 157 matching lines @@
       base::FilePath::StringType(),
       web_ui()->GetWebContents()->GetView()->GetTopLevelNativeWindow(),
       NULL);
 }
 
 void PackExtensionHandler::ShowAlert(const std::string& message) {
   ListValue arguments;
   arguments.Append(Value::CreateStringValue(message));
   web_ui()->CallJavascriptFunction("PackExtensionOverlay.showError", arguments);
 }