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

chrome/browser/ui/webui/test_html_dialog_ui_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_TEST_HTML_DIALOG_UI_DELEGATE_H_
 #define CHROME_BROWSER_UI_WEBUI_TEST_HTML_DIALOG_UI_DELEGATE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 10 matching lines @@
 
   void set_size(int width, int height) {
     size_.SetSize(width, height);
   }
 
   // HTMLDialogUIDelegate implementation:
   virtual bool IsDialogModal() const OVERRIDE;
   virtual string16 GetDialogTitle() const OVERRIDE;
   virtual GURL GetDialogContentURL() const OVERRIDE;
   virtual void GetWebUIMessageHandlers(
-      std::vector<WebUIMessageHandler*>* handlers) const OVERRIDE;
+      std::vector<content::WebUIMessageHandler*>* handlers) const OVERRIDE;
   virtual void GetDialogSize(gfx::Size* size) const OVERRIDE;
   virtual std::string GetDialogArgs() const OVERRIDE;
   virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
   virtual void OnCloseContents(content::WebContents* source,
                                bool* out_close_dialog) OVERRIDE;
   virtual bool ShouldShowDialogTitle() const OVERRIDE;
 
  protected:
   const GURL url_;
   gfx::Size size_;
 
   DISALLOW_COPY_AND_ASSIGN(TestHtmlDialogUIDelegate);
 };
 
 }  // namespace test
 
 #endif  // CHROME_BROWSER_UI_WEBUI_TEST_HTML_DIALOG_UI_DELEGATE_H_