Switch to standard integer types in extensions/.

extensions/common/manifest_url_handlers.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 EXTENSIONS_COMMON_MANIFEST_URL_HANDLERS_H_
 #define EXTENSIONS_COMMON_MANIFEST_URL_HANDLERS_H_
 
 #include <string>
 
+#include "base/macros.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_handler.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace extensions {
 
 // A structure to hold various URLs like devtools_page, homepage_url, etc
@@ skipping 73 matching lines @@
 
  private:
   const std::vector<std::string> Keys() const override;
 
   DISALLOW_COPY_AND_ASSIGN(AboutPageHandler);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_MANIFEST_URL_HANDLERS_H_