Cleanup: IWYU for base/gtest_prod_util.h.

components/omnibox/browser/search_provider.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.
 //
 // This file contains the Search autocomplete provider.  This provider is
 // responsible for all autocomplete entries that start with "Search <engine>
 // for ...", including searching for the current input string, search
 // history, and search suggestions.  An instance of it gets created and
 // managed by the autocomplete controller.
 
 #ifndef COMPONENTS_OMNIBOX_BROWSER_SEARCH_PROVIDER_H_
 #define COMPONENTS_OMNIBOX_BROWSER_SEARCH_PROVIDER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "components/metrics/proto/omnibox_input_type.pb.h"
 #include "components/omnibox/browser/answers_cache.h"
 #include "components/omnibox/browser/base_search_provider.h"
 #include "components/search_engines/template_url.h"
 #include "components/search_engines/template_url_service_observer.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
@@ skipping 374 matching lines @@
   base::TimeTicks token_expiration_time_;
 
   // Answers prefetch management.
   AnswersCache answers_cache_;  // Cache for last answers seen.
   AnswersQueryData prefetch_data_;  // Data to use for query prefetching.
 
   DISALLOW_COPY_AND_ASSIGN(SearchProvider);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_SEARCH_PROVIDER_H_