Move MessageLoop to base namespace.

chrome/browser/extensions/extension_install_prompt.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_PROMPT_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_PROMPT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 #include "chrome/browser/extensions/crx_installer_error.h"
 #include "extensions/common/url_pattern.h"
 #include "google_apis/gaia/oauth2_mint_token_flow.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/native_widget_types.h"
 
 class Browser;
 class ExtensionInstallUI;
 class InfoBarDelegate;
-class MessageLoop;
 class Profile;
 
 namespace base {
 class DictionaryValue;
+class MessageLoop;
 }  // namespace base
 
 namespace content {
 class PageNavigator;
 class WebContents;
 }
 
 namespace extensions {
 class BundleInstaller;
 class Extension;
@@ skipping 288 matching lines @@
 
   // OAuth2MintTokenFlow::Delegate implementation:
   virtual void OnIssueAdviceSuccess(
       const IssueAdviceInfo& issue_advice) OVERRIDE;
   virtual void OnMintTokenFailure(
       const GoogleServiceAuthError& error) OVERRIDE;
 
   // Shows the actual UI (the icon should already be loaded).
   void ShowConfirmation();
 
-  MessageLoop* ui_loop_;
+  base::MessageLoop* ui_loop_;
 
   // The extensions installation icon.
   SkBitmap icon_;
 
   // The extension we are showing the UI for, if type is not
   // BUNDLE_INSTALL_PROMPT.
   const extensions::Extension* extension_;
 
   // The bundle we are showing the UI for, if type BUNDLE_INSTALL_PROMPT.
   const extensions::BundleInstaller* bundle_;
@@ skipping 13 matching lines @@
   // A pre-filled prompt.
   Prompt prompt_;
 
   scoped_ptr<OAuth2MintTokenFlow> token_flow_;
 
   // Used to show the confirm dialog.
   ShowDialogCallback show_dialog_callback_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_PROMPT_H_