Switch to standard integer types in extensions/.

extensions/shell/browser/shell_extension_system.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_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
 #define EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
+#include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/one_shot_event.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace content {
 class BrowserContext;
@@ skipping 63 matching lines @@
   OneShotEvent ready_;
 
   base::WeakPtrFactory<ShellExtensionSystem> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellExtensionSystem);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_