[Refactor] Simplify HistoryBackend::UpdateFaviconMappingsAndFetchImpl() signature

components/favicon/core/test/mock_favicon_service.h

 // Copyright 2017 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 COMPONENTS_FAVICON_CORE_TEST_MOCK_FAVICON_SERVICE_H_
 #define COMPONENTS_FAVICON_CORE_TEST_MOCK_FAVICON_SERVICE_H_
 
 #include <vector>
 
 #include "base/task/cancelable_task_tracker.h"
@@ skipping 60 matching lines @@
   MOCK_METHOD5(GetFaviconForPageURL,
                base::CancelableTaskTracker::TaskId(
                    const GURL& page_url,
                    int icon_types,
                    int desired_size_in_dip,
                    const favicon_base::FaviconResultsCallback& callback,
                    base::CancelableTaskTracker* tracker));
   MOCK_METHOD6(UpdateFaviconMappingsAndFetch,
                base::CancelableTaskTracker::TaskId(
                    const GURL& page_url,
-                   const std::vector<GURL>& icon_urls,
-                   int icon_types,
+                   const GURL& icon_url,
+                   favicon_base::IconType icon_type,
                    int desired_size_in_dip,
                    const favicon_base::FaviconResultsCallback& callback,
                    base::CancelableTaskTracker* tracker));
   MOCK_METHOD3(GetLargestRawFaviconForID,
                base::CancelableTaskTracker::TaskId(
                    favicon_base::FaviconID favicon_id,
                    const favicon_base::FaviconRawBitmapCallback& callback,
                    base::CancelableTaskTracker* tracker));
   MOCK_METHOD1(SetFaviconOutOfDateForPage, void(const GURL& page_url));
   MOCK_METHOD1(SetImportedFavicons,
@@ skipping 16 matching lines @@
                     const gfx::Image& image,
                     base::Callback<void(bool)> callback));
   MOCK_METHOD1(UnableToDownloadFavicon, void(const GURL& icon_url));
   MOCK_CONST_METHOD1(WasUnableToDownloadFavicon, bool(const GURL& icon_url));
   MOCK_METHOD0(ClearUnableToDownloadFavicons, void());
 };
 
 }  // namespace favicon
 
 #endif  // COMPONENTS_FAVICON_CORE_TEST_MOCK_FAVICON_SERVICE_H_