Move WasUnableToDownload logic to FaviconHandler

components/favicon/core/favicon_handler.h

 // 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.
 
 #ifndef COMPONENTS_FAVICON_CORE_FAVICON_HANDLER_H_
 #define COMPONENTS_FAVICON_CORE_FAVICON_HANDLER_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 235 matching lines @@
   bool UpdateFaviconCandidate(const GURL& image_url,
                               const gfx::Image& image,
                               float score,
                               favicon_base::IconType icon_type);
 
   // Sets the image data for the favicon.
   void SetFavicon(const GURL& icon_url,
                   const gfx::Image& image,
                   favicon_base::IconType icon_type);
 
+  // Considers the current candidate finished and can (a) stop working if an
+  // exact match was found or no candidates are left; or (b) increase
+  // |current_candidate_index_| and start processing the next candidate.
+  void CurrentCandidateFinished(bool found_exact_match);
+
   // Notifies |driver_| that FaviconHandler found an icon which matches the
   // |handler_type_| criteria. NotifyFaviconUpdated() can be called multiple
   // times for the same page if:
   // - a better match is found for |handler_type_| (e.g. newer bitmap data)
   // - Javascript changes the page's icon URLs.
   void NotifyFaviconUpdated(
       const std::vector<favicon_base::FaviconRawBitmapResult>&
           favicon_bitmap_results);
   void NotifyFaviconUpdated(const GURL& icon_url,
                             favicon_base::IconType icon_type,
@@ skipping 71 matching lines @@
   FaviconCandidate best_favicon_candidate_;
 
   base::WeakPtrFactory<FaviconHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FaviconHandler);
 };
 
 }  // namespace favicon
 
 #endif  // COMPONENTS_FAVICON_CORE_FAVICON_HANDLER_H_