Cleanup: IWYU for base/gtest_prod_util.h.

components/omnibox/browser/base_search_provider.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.
 //
 // This class contains common functionality for search-based autocomplete
 // providers. Search provider and zero suggest provider both use it for common
 // functionality.
 
 #ifndef COMPONENTS_OMNIBOX_BROWSER_BASE_SEARCH_PROVIDER_H_
 #define COMPONENTS_OMNIBOX_BROWSER_BASE_SEARCH_PROVIDER_H_
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
 
+#include "base/gtest_prod_util.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string16.h"
 #include "components/metrics/proto/omnibox_event.pb.h"
 #include "components/omnibox/browser/autocomplete_input.h"
 #include "components/omnibox/browser/autocomplete_match.h"
 #include "components/omnibox/browser/autocomplete_provider.h"
 #include "components/omnibox/browser/search_suggestion_parser.h"
 
 class AutocompleteProviderClient;
 class GURL;
@@ skipping 230 matching lines @@
 
   // Each deletion handler in this vector corresponds to an outstanding request
   // that a server delete a personalized suggestion. Making this a ScopedVector
   // causes us to auto-cancel all such requests on shutdown.
   SuggestionDeletionHandlers deletion_handlers_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseSearchProvider);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_BASE_SEARCH_PROVIDER_H_