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

chrome/browser/ui/webui/edit_search_engine_dialog_webui.cc

 // 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.
 
 #include "chrome/browser/ui/webui/edit_search_engine_dialog_webui.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/json_reader.h"
 #include "base/string16.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/dialog_style.h"
 #include "chrome/browser/ui/search_engines/edit_search_engine_controller.h"
 #include "chrome/browser/ui/webui/theme_source.h"
 #include "chrome/common/url_constants.h"
+#include "content/browser/webui/web_ui.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "grit/ui_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::WebContents;
+using content::WebUIMessageHandler;
 
 namespace {
 const int kEditSearchEngineDialogWidth = 440;
 const int kEditSearchEngineDialogHeight = 196;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // Browser dialog API implementation
 
 namespace browser {
@@ skipping 148 matching lines @@
         dict->GetString("keyword", &keyword_str) &&
         dict->GetString("url", &url_str)) {
       controller_->AcceptAddOrEdit(description_str,
                                    keyword_str,
                                    url_str);
     } else {
       controller_->CleanUpCancelledAdd();
     }
   }
 }