[Content suggestions favicons] Let the clients rescale the gfx::Image

components/ntp_snippets/content_suggestions_service.h

Index: components/ntp_snippets/content_suggestions_service.h
diff --git a/components/ntp_snippets/content_suggestions_service.h b/components/ntp_snippets/content_suggestions_service.h
index ddd84571739c3390b1d0fdca02e31b32398f14b8..40c442bc6bbb4d0d68834a41e2593b4282e66e9a 100644
--- a/components/ntp_snippets/content_suggestions_service.h
+++ b/components/ntp_snippets/content_suggestions_service.h
@@ -332,6 +332,14 @@ class ContentSuggestionsService : public KeyedService,
 
   // Get the domain of the suggestion suitable for fetching the favicon.
   GURL GetFaviconDomain(const ContentSuggestion::ID& suggestion_id);
+
+  // Initiate the fetch of a favicon from the local cache.
+  void GetFaviconFromCache(const GURL& publisher_url,
+                           int minimum_size_in_pixel,
+                           int desired_size_in_pixel,
+                           const ImageFetchedCallback& callback,
+                           bool continue_to_google_server);
+
   // Callbacks for fetching favicons.
   void OnGetFaviconFromCacheFinished(
       const GURL& publisher_url,