Switch to standard integer types in extensions/.

extensions/renderer/render_frame_observer_natives.cc

 // 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.
 
 #include "extensions/renderer/render_frame_observer_natives.h"
 
 #include "base/bind.h"
+#include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "extensions/renderer/extension_frame_helper.h"
 #include "extensions/renderer/script_context.h"
 
 namespace extensions {
 
 namespace {
 
@@ skipping 64 matching lines @@
     LOG(WARNING) << "No render frame found to register LoadWatcher.";
     return;
   }
 
   new LoadWatcher(context(), frame, args[1].As<v8::Function>());
 
   args.GetReturnValue().Set(true);
 }
 
 }  // namespace extensions