[Refactor] Simplify HistoryBackend::UpdateFaviconMappingsAndFetchImpl() signature

components/favicon/core/favicon_service_impl.cc

 // 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.
 
 #include "components/favicon/core/favicon_service_impl.h"
 
 #include <stddef.h>
 #include <cmath>
 #include <utility>
 
@@ skipping 55 matching lines @@
 FaviconServiceImpl::~FaviconServiceImpl() {}
 
 base::CancelableTaskTracker::TaskId FaviconServiceImpl::GetFaviconImage(
     const GURL& icon_url,
     const favicon_base::FaviconImageCallback& callback,
     base::CancelableTaskTracker* tracker) {
   TRACE_EVENT0("browser", "FaviconServiceImpl::GetFaviconImage");
   favicon_base::FaviconResultsCallback callback_runner =
       base::Bind(&FaviconServiceImpl::RunFaviconImageCallbackWithBitmapResults,
                  base::Unretained(this), callback, gfx::kFaviconSize);
-  std::vector<GURL> icon_urls;
-  icon_urls.push_back(icon_url);
-  return history_service_->GetFavicons(
-      icon_urls, favicon_base::FAVICON,
+  return history_service_->GetFavicon(
+      icon_url, favicon_base::FAVICON,
       GetPixelSizesForFaviconScales(gfx::kFaviconSize), callback_runner,
       tracker);
 }
 
 base::CancelableTaskTracker::TaskId FaviconServiceImpl::GetRawFavicon(
     const GURL& icon_url,
     favicon_base::IconType icon_type,
     int desired_size_in_pixel,
     const favicon_base::FaviconRawBitmapCallback& callback,
     base::CancelableTaskTracker* tracker) {
   TRACE_EVENT0("browser", "FaviconServiceImpl::GetRawFavicon");
   favicon_base::FaviconResultsCallback callback_runner = base::Bind(
       &FaviconServiceImpl::RunFaviconRawBitmapCallbackWithBitmapResults,
       base::Unretained(this), callback, desired_size_in_pixel);
 
-  std::vector<GURL> icon_urls;
-  icon_urls.push_back(icon_url);
   std::vector<int> desired_sizes_in_pixel;
   desired_sizes_in_pixel.push_back(desired_size_in_pixel);
 
-  return history_service_->GetFavicons(
-      icon_urls, icon_type, desired_sizes_in_pixel, callback_runner, tracker);
+  return history_service_->GetFavicon(
+      icon_url, icon_type, desired_sizes_in_pixel, callback_runner, tracker);
 }
 
 base::CancelableTaskTracker::TaskId FaviconServiceImpl::GetFavicon(
     const GURL& icon_url,
     favicon_base::IconType icon_type,
     int desired_size_in_dip,
     const favicon_base::FaviconResultsCallback& callback,
     base::CancelableTaskTracker* tracker) {
   TRACE_EVENT0("browser", "FaviconServiceImpl::GetFavicon");
   std::vector<GURL> icon_urls;
   icon_urls.push_back(icon_url);
-  return history_service_->GetFavicons(
-      icon_urls, icon_type, GetPixelSizesForFaviconScales(desired_size_in_dip),
+  return history_service_->GetFavicon(
+      icon_url, icon_type, GetPixelSizesForFaviconScales(desired_size_in_dip),
       callback, tracker);
 }
 
 base::CancelableTaskTracker::TaskId
 FaviconServiceImpl::GetFaviconImageForPageURL(
     const GURL& page_url,
     const favicon_base::FaviconImageCallback& callback,
     base::CancelableTaskTracker* tracker) {
   TRACE_EVENT0("browser", "FaviconServiceImpl::GetFaviconImageForPageURL");
   return GetFaviconForPageURLImpl(
@@ skipping 50 matching lines @@
     base::CancelableTaskTracker* tracker) {
   TRACE_EVENT0("browser", "FaviconServiceImpl::GetFaviconForPageURL");
   return GetFaviconForPageURLImpl(
       page_url, icon_types, GetPixelSizesForFaviconScales(desired_size_in_dip),
       callback, tracker);
 }
 
 base::CancelableTaskTracker::TaskId
 FaviconServiceImpl::UpdateFaviconMappingsAndFetch(
     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) {
   return history_service_->UpdateFaviconMappingsAndFetch(
-      page_url, icon_urls, icon_types,
+      page_url, icon_url, icon_type,
       GetPixelSizesForFaviconScales(desired_size_in_dip), callback, tracker);
 }
 
 base::CancelableTaskTracker::TaskId
 FaviconServiceImpl::GetLargestRawFaviconForID(
     favicon_base::FaviconID favicon_id,
     const favicon_base::FaviconRawBitmapCallback& callback,
     base::CancelableTaskTracker* tracker) {
   TRACE_EVENT0("browser", "FaviconServiceImpl::GetLargestRawFaviconForID");
   // Use 0 as |desired_size| to get the largest bitmap for |favicon_id| without
@@ skipping 99 matching lines @@
     const std::vector<favicon_base::FaviconRawBitmapResult>&
         favicon_bitmap_results) {
   TRACE_EVENT0(
       "browser",
       "FaviconServiceImpl::RunFaviconRawBitmapCallbackWithBitmapResults");
   callback.Run(
       ResizeFaviconBitmapResult(favicon_bitmap_results, desired_size_in_pixel));
 }
 
 }  // namespace favicon