Move CancelableTaskTracker to //base/task/CancelableTaskTracker.

chrome/browser/favicon/favicon_handler.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 "chrome/browser/favicon/favicon_handler.h"
 
 #include "build/build_config.h"
 
 #include <algorithm>
 #include <vector>
@@ skipping 431 matching lines @@
     return 0;
   }
   return delegate_->StartDownload(image_url, max_bitmap_size);
 }
 
 void FaviconHandler::UpdateFaviconMappingAndFetch(
     const GURL& page_url,
     const GURL& icon_url,
     chrome::IconType icon_type,
     const FaviconService::FaviconResultsCallback& callback,
-    CancelableTaskTracker* tracker) {
+    base::CancelableTaskTracker* tracker) {
   // TODO(pkotwicz): pass in all of |image_urls_| to
   // UpdateFaviconMappingsAndFetch().
   std::vector<GURL> icon_urls;
   icon_urls.push_back(icon_url);
   GetFaviconService()->UpdateFaviconMappingsAndFetch(
       page_url, icon_urls, icon_type, preferred_icon_size(), callback, tracker);
 }
 
 void FaviconHandler::GetFavicon(
     const GURL& icon_url,
     chrome::IconType icon_type,
     const FaviconService::FaviconResultsCallback& callback,
-    CancelableTaskTracker* tracker) {
+    base::CancelableTaskTracker* tracker) {
   GetFaviconService()->GetFavicon(
       icon_url, icon_type, preferred_icon_size(), callback, tracker);
 }
 
 void FaviconHandler::GetFaviconForURL(
     const GURL& page_url,
     int icon_types,
     const FaviconService::FaviconResultsCallback& callback,
-    CancelableTaskTracker* tracker) {
+    base::CancelableTaskTracker* tracker) {
   GetFaviconService()->GetFaviconForURL(
       FaviconService::FaviconForURLParams(page_url, icon_types,
                                           preferred_icon_size()),
       callback,
       tracker);
 }
 
 void FaviconHandler::SetHistoryFavicons(const GURL& page_url,
                                         const GURL& icon_url,
                                         chrome::IconType icon_type,
@@ skipping 142 matching lines @@
       GetMaximalIconSize(icon_type));
   if (download_id) {
     // Download ids should be unique.
     DCHECK(download_requests_.find(download_id) == download_requests_.end());
     download_requests_[download_id] =
         DownloadRequest(url, image_url, icon_type);
   }
 
   return download_id;
 }