browser: Put simple_message_box.h and chrome_web_contents_view_delegate.h into chrome namespace.

chrome/browser/ui/simple_message_box.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_UI_SIMPLE_MESSAGE_BOX_H_
 #define CHROME_BROWSER_UI_SIMPLE_MESSAGE_BOX_H_
 #pragma once
 
 #include "base/string16.h"
 #include "ui/gfx/native_widget_types.h"
 
-namespace browser {
+namespace chrome {
 
 enum MessageBoxResult {
   MESSAGE_BOX_RESULT_NO = 0,
   MESSAGE_BOX_RESULT_YES = 1,
 };
 
 enum MessageBoxType {
   MESSAGE_BOX_TYPE_INFORMATION,
   MESSAGE_BOX_TYPE_WARNING,
   MESSAGE_BOX_TYPE_QUESTION,
 };
 
 // Shows a dialog box with the given |title| and |message|. If |parent| is
 // non-NULL, the box will be made modal to the |parent|, except on Mac, where it
 // is always app-modal. If |type| is MESSAGE_BOX_TYPE_QUESTION, the box will
 // have YES and NO buttons; otherwise it will have an OK button.
 //
 // NOTE: In general, you should avoid this since it's usually poor UI.
 // We have a variety of other surfaces such as wrench menu notifications and
 // infobars; consult the UI leads for a recommendation.
 MessageBoxResult ShowMessageBox(gfx::NativeWindow parent,
                                 const string16& title,
                                 const string16& message,
                                 MessageBoxType type);
 
-}  // namespace browser
+}  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_SIMPLE_MESSAGE_BOX_H_