Bypass the favicon_service when importing favicons.

chrome/browser/favicon/favicon_service.h

Index: chrome/browser/favicon/favicon_service.h
diff --git a/chrome/browser/favicon/favicon_service.h b/chrome/browser/favicon/favicon_service.h
index 5593d8b273d3de0bbd86386ddc9adab23543ccb7..38bde8afe542478f2638a99a31772de8fe756033 100644
--- a/chrome/browser/favicon/favicon_service.h
+++ b/chrome/browser/favicon/favicon_service.h
@@ -18,7 +18,6 @@
 class FaviconClient;
 class GURL;
 class HistoryService;
-struct ImportedFaviconUsage;
 class Profile;
 
 // The favicon service provides methods to access favicons. It calls the history
@@ -180,12 +179,6 @@ class FaviconService : public KeyedService {
   // page is ever visited.
   void CloneFavicon(const GURL& old_page_url, const GURL& new_page_url);
 
-  // Allows the importer to set many favicons for many pages at once. The pages
-  // must exist, any favicon sets for unknown pages will be discarded. Existing
-  // favicons will not be overwritten.
-  void SetImportedFavicons(
-      const std::vector<ImportedFaviconUsage>& favicon_usage);
-
   // Set the favicon for |page_url| for |icon_type| in the thumbnail database.
   // Unlike SetFavicons(), this method will not delete preexisting bitmap data
   // which is associated to |page_url| if at all possible. Use this method if