Provide assumed favicon for intents if service provider page was never visited.

chrome/browser/favicon/favicon_service.cc

 // Copyright (c) 2011 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_service.h"
 
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/history/history_backend.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_factory.h"
@@ skipping 54 matching lines @@
   }
   return handle;
 }
 
 void FaviconService::SetFaviconOutOfDateForPage(const GURL& page_url) {
   HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
   if (hs)
     hs->SetFaviconOutOfDateForPage(page_url);
 }
 
+void FaviconService::CloneFavicon(const GURL& old_page_url,
+                                  const GURL& new_page_url) {
+  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
+  if (hs)
+    hs->CloneFavicon(old_page_url, new_page_url);
+}
+
 void FaviconService::SetImportedFavicons(
     const std::vector<history::ImportedFaviconUsage>& favicon_usage) {
   HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
   if (hs)
     hs->SetImportedFavicons(favicon_usage);
 }
 
 void FaviconService::SetFavicon(const GURL& page_url,
                                 const GURL& icon_url,
                                 const std::vector<unsigned char>& image_data,
                                 history::IconType icon_type) {
   HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
   if (hs)
     hs->SetFavicon(page_url, icon_url, image_data, icon_type);
 }
 
 FaviconService::~FaviconService() {
 }
 
 void FaviconService::ForwardEmptyResultAsync(GetFaviconRequest* request) {
   request->ForwardResultAsync(request->handle(), history::FaviconData());
 }