Switch to standard integer types in extensions/.

extensions/renderer/request_sender.h

 // Copyright 2014 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 EXTENSIONS_RENDERER_REQUEST_SENDER_H_
 #define EXTENSIONS_RENDERER_REQUEST_SENDER_H_
 
 #include <map>
 #include <string>
 
+#include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "v8/include/v8.h"
 
 namespace base {
 class ListValue;
 }
 
 namespace extensions {
 class Dispatcher;
 class ScriptContext;
@@ skipping 76 matching lines @@
   PendingRequestMap pending_requests_;
 
   int source_tab_id_;  // Id of the tab sending the request, or -1 if no tab.
 
   DISALLOW_COPY_AND_ASSIGN(RequestSender);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_REQUEST_SENDER_H_