Move c/r/extensions/* into extensions namespace

chrome/renderer/extensions/set_icon_natives.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_RENDERER_EXTENSIONS_SET_ICON_NATIVES_H_
 #define CHROME_RENDERER_EXTENSIONS_SET_ICON_NATIVES_H_
 
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
-#include "chrome/renderer/extensions/extension_dispatcher.h"
+#include "chrome/renderer/extensions/dispatcher.h"
 
 #include "v8/include/v8.h"
 
-class ExtensionRequestSender;
-
 namespace base {
 class Value;
 }
 
 namespace extensions {
+class RequestSender;
 
 // Functions exposed to extension JS to implement the setIcon extension API.
 class SetIconNatives : public ChromeV8Extension {
  public:
-  SetIconNatives(ExtensionDispatcher* extension_dispatcher,
-                 ExtensionRequestSender* request_sender);
+  SetIconNatives(Dispatcher* dispatcher, RequestSender* request_sender);
 
  private:
   bool ConvertImageDataToBitmapValue(const v8::Arguments& args,
                                      Value** bitmap_value);
   v8::Handle<v8::Value> SetIconCommon(const v8::Arguments& args);
-  ExtensionRequestSender* request_sender_;
+  RequestSender* request_sender_;
 
   DISALLOW_COPY_AND_ASSIGN(SetIconNatives);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_SET_ICON_NATIVES_H_