Move Extension into extensions namespace

chrome/browser/extensions/extension_function.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_EXTENSIONS_EXTENSION_FUNCTION_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_
 #pragma once
 
 #include <list>
 #include <string>
@@ skipping 106 matching lines @@
   // Sets the function's error string.
   virtual void SetError(const std::string& error);
 
   // Specifies the name of the function.
   void set_name(const std::string& name) { name_ = name; }
   const std::string& name() const { return name_; }
 
   void set_profile_id(void* profile_id) { profile_id_ = profile_id; }
   void* profile_id() const { return profile_id_; }
 
-  void set_extension(const Extension* extension) { extension_ = extension; }
-  const Extension* GetExtension() const { return extension_.get(); }
+  void set_extension(const extensions::Extension* extension) {
+    extension_ = extension;
+  }
+  const extensions::Extension* GetExtension() const { return extension_.get(); }
   const std::string& extension_id() const { return extension_->id(); }
 
   void set_request_id(int request_id) { request_id_ = request_id; }
   int request_id() { return request_id_; }
 
   void set_source_url(const GURL& source_url) { source_url_ = source_url; }
   const GURL& source_url() { return source_url_; }
 
   void set_has_callback(bool has_callback) { has_callback_ = has_callback; }
   bool has_callback() { return has_callback_; }
@@ skipping 35 matching lines @@
   // is non-null.
   bool HasOptionalArgument(size_t index);
 
   // Id of this request, used to map the response back to the caller.
   int request_id_;
 
   // The Profile of this function's extension.
   void* profile_id_;
 
   // The extension that called this function.
-  scoped_refptr<const Extension> extension_;
+  scoped_refptr<const extensions::Extension> extension_;
 
   // The name of this function.
   std::string name_;
 
   // The URL of the frame which is making this request
   GURL source_url_;
 
   // True if the js caller provides a callback function to receive the response
   // of this call.
   bool has_callback_;
@@ skipping 223 matching lines @@
  public:
   SyncIOThreadExtensionFunction();
 
   virtual void Run() OVERRIDE;
 
  protected:
   virtual ~SyncIOThreadExtensionFunction();
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_