Cleanup: IWYU for base/gtest_prod_util.h.

chrome/browser/extensions/extension_sync_data.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_BROWSER_EXTENSIONS_EXTENSION_SYNC_DATA_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYNC_DATA_H_
 
 #include <string>
 
+#include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/version.h"
 #include "extensions/common/constants.h"
 #include "sync/api/string_ordinal.h"
 #include "sync/api/sync_change.h"
 #include "url/gurl.h"
 
 namespace syncer {
 class SyncData;
 }
@@ skipping 143 matching lines @@
   extensions::LaunchType launch_type_;
   std::string bookmark_app_url_;
   std::string bookmark_app_description_;
   std::string bookmark_app_icon_color_;
   std::vector<LinkedAppIconInfo> linked_icons_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYNC_DATA_H_