Componentize FaviconTabHelper

components/favicon/core/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 "components/favicon/core/favicon_handler.h"
 
 #include <algorithm>
 #include <cmath>
 #include <vector>
 
@@ skipping 432 matching lines @@
                  best_favicon_candidate_.image,
                  best_favicon_candidate_.icon_type);
       // Reset candidate.
       image_urls_.clear();
       download_requests_.clear();
       best_favicon_candidate_ = FaviconCandidate();
     }
   }
 }
 
+bool FaviconHandler::HasPendingTasksForTest() {
+  return !download_requests_.empty() ||
+         cancelable_task_tracker_.HasTrackedTasks();
+}
+
 bool FaviconHandler::PageChangedSinceFaviconWasRequested() {
   if (UrlMatches(driver_->GetActiveURL(), url_) && url_.is_valid()) {
     return false;
   }
   // If the URL has changed out from under us (as will happen with redirects)
   // return true.
   return true;
 }
 
 int FaviconHandler::DownloadFavicon(const GURL& image_url,
@@ skipping 231 matching lines @@
     gfx::Size largest =
         image_url.icon_sizes[GetLargestSizeIndex(image_url.icon_sizes)];
     image_url.icon_sizes.clear();
     image_url.icon_sizes.push_back(largest);
   }
   std::stable_sort(image_urls_.begin(), image_urls_.end(),
                    CompareIconSize);
 }
 
 }  // namespace favicon