Move WebUIMessageHandler to its own file in the public directory and put it in the content namesp...

chrome/browser/ui/cocoa/html_dialog_window_controller.mm

 // Copyright (c) 2011 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.
 
 #import "chrome/browser/ui/cocoa/html_dialog_window_controller.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #import "chrome/browser/ui/browser_dialogs.h"
 #import "chrome/browser/ui/cocoa/browser_command_executor.h"
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 #include "chrome/browser/ui/dialog_style.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h"
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/public/browser/native_web_keyboard_event.h"
+#include "content/public/browser/web_ui_message_handler.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/gfx/size.h"
 
 using content::WebContents;
+using content::WebUIMessageHandler;
 
 // Thin bridge that routes notifications to
 // HtmlDialogWindowController's member variables.
 class HtmlDialogWindowDelegateBridge : public HtmlDialogUIDelegate,
                                        public HtmlDialogTabContentsDelegate {
 public:
   // All parameters must be non-NULL/non-nil.
   HtmlDialogWindowDelegateBridge(HtmlDialogWindowController* controller,
                                  Profile* profile,
                                  HtmlDialogUIDelegate* delegate);
@@ skipping 277 matching lines @@
   // TODO(akalin): Figure out why implementing (void)cancel:(id)sender
   // to do the above doesn't work.
 }
 
 - (void)windowWillClose:(NSNotification*)notification {
   delegate_->WindowControllerClosed();
   [self autorelease];
 }
 
 @end