Move Extension into extensions namespace

chrome/browser/extensions/execute_code_in_tab_function.cc

 // 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.
 
 #include "chrome/browser/extensions/execute_code_in_tab_function.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 161 matching lines @@
 
   SendResponse(success);
 
   Observe(NULL);
   Release();  // balanced in Execute()
 }
 
 void ExecuteCodeInTabFunction::DidLoadFile(bool success,
                                            const std::string& data) {
   std::string function_name = name();
-  const Extension* extension = GetExtension();
+  const extensions::Extension* extension = GetExtension();
 
   // Check if the file is CSS and needs localization.
   if (success &&
       function_name == TabsInsertCSSFunction::function_name() &&
       extension != NULL &&
       data.find(ExtensionMessageBundle::kMessageBegin) != std::string::npos) {
     BrowserThread::PostTask(
         BrowserThread::FILE, FROM_HERE,
         base::Bind(&ExecuteCodeInTabFunction::LocalizeCSS, this,
                    data,
@@ skipping 53 matching lines @@
 
   bool success = ExtensionTabUtil::GetTabById(
       execute_tab_id_, profile(), include_incognito(), &browser, NULL,
       &contents, NULL) && contents && browser;
 
   if (!success) {
     SendResponse(false);
     return false;
   }
 
-  const Extension* extension = GetExtension();
+  const extensions::Extension* extension = GetExtension();
   if (!extension) {
     SendResponse(false);
     return false;
   }
 
   bool is_js_code = true;
   std::string function_name = name();
   if (function_name == TabsInsertCSSFunction::function_name()) {
     is_js_code = false;
   } else if (function_name != TabsExecuteScriptFunction::function_name()) {
@@ skipping 10 matching lines @@
   params.in_main_world = false;
   contents->web_contents()->GetRenderViewHost()->Send(
       new ExtensionMsg_ExecuteCode(
           contents->web_contents()->GetRenderViewHost()->GetRoutingID(),
           params));
 
   Observe(contents->web_contents());
   AddRef();  // balanced in OnExecuteCodeFinished()
   return true;
 }