Cleanup: IWYU for base/gtest_prod_util.h.

chrome/browser/extensions/pending_extension_manager.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 CHROME_BROWSER_EXTENSIONS_PENDING_EXTENSION_MANAGER_H_
 #define CHROME_BROWSER_EXTENSIONS_PENDING_EXTENSION_MANAGER_H_
 
 #include <list>
 #include <string>
 
+#include "base/gtest_prod_util.h"
 #include "chrome/browser/extensions/pending_extension_info.h"
 #include "extensions/common/manifest.h"
 
 class GURL;
 
 namespace base {
 class Version;
 }
 
 namespace content {
@@ skipping 124 matching lines @@
   friend void SetupPendingExtensionManagerForTest(
       int count, const GURL& update_url,
       PendingExtensionManager* pending_extension_manager);
 
   DISALLOW_COPY_AND_ASSIGN(PendingExtensionManager);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_PENDING_EXTENSION_MANAGER_H_