Remove useless FaviconHandler::PageChangedSinceFaviconWasRequested()

components/favicon/content/content_favicon_driver.cc

 // Copyright 2015 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/content/content_favicon_driver.h"
 
 #include "base/bind.h"
 #include "components/favicon/content/favicon_url_util.h"
 #include "components/favicon/core/favicon_url.h"
 #include "content/public/browser/browser_context.h"
@@ skipping 107 matching lines @@
 }
 
 void ContentFaviconDriver::SetActiveFaviconURL(const GURL& url) {
   GetFaviconStatus().url = url;
 }
 
 void ContentFaviconDriver::SetActiveFaviconImage(const gfx::Image& image) {
   GetFaviconStatus().image = image;
 }
 
+bool ContentFaviconDriver::ShouldSendFaviconAvailableNotifications() {
+  return true;
+}
+
 content::FaviconStatus& ContentFaviconDriver::GetFaviconStatus() {
   DCHECK(web_contents()->GetController().GetLastCommittedEntry());
   return web_contents()->GetController().GetLastCommittedEntry()->GetFavicon();
 }
 
 ContentFaviconDriver::ContentFaviconDriver(
     content::WebContents* web_contents,
     FaviconService* favicon_service,
     history::HistoryService* history_service,
     bookmarks::BookmarkModel* bookmark_model)
@@ skipping 48 matching lines @@
   // redownloaded.
   GURL url = details.entry->GetURL();
   if (url != bypass_cache_page_url_)
     bypass_cache_page_url_ = GURL();
 
   // Get the favicon, either from history or request it from the net.
   FetchFavicon(url);
 }
 
 }  // namespace favicon