move favicon download code from chrome/ into content/

chrome/browser/favicon/favicon_tab_helper.cc

 // 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.
 
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 
-#include "chrome/browser/favicon/favicon_download_helper.h"
 #include "chrome/browser/favicon/favicon_handler.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
 #include "chrome/browser/favicon/favicon_util.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/icon_messages.h"
 #include "content/public/browser/favicon_status.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_ui.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/image/image_skia_rep.h"
 
 using content::FaviconStatus;
 using content::NavigationController;
 using content::NavigationEntry;
 using content::WebContents;
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(FaviconTabHelper)
 
 FaviconTabHelper::FaviconTabHelper(WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
       profile_(Profile::FromBrowserContext(web_contents->GetBrowserContext())) {
-  favicon_download_helper_.reset(new FaviconDownloadHelper(web_contents, this));
   favicon_handler_.reset(new FaviconHandler(profile_, this,
                                             FaviconHandler::FAVICON));
   if (chrome::kEnableTouchIcon)
     touch_icon_handler_.reset(new FaviconHandler(profile_, this,
                                                  FaviconHandler::TOUCH));
 }
 
 FaviconTabHelper::~FaviconTabHelper() {
 }
 
@@ skipping 35 matching lines @@
   const NavigationController& controller = web_contents()->GetController();
   if (controller.GetLastCommittedEntry() && controller.GetPendingEntry())
     return true;
 
   content::WebUI* web_ui = web_contents()->GetWebUIForCurrentState();
   if (web_ui)
     return !web_ui->ShouldHideFavicon();
   return true;
 }
 
-void FaviconTabHelper::OnUpdateFaviconURL(
-    int32 page_id,
-    const std::vector<FaviconURL>& candidates) {
-  favicon_handler_->OnUpdateFaviconURL(page_id, candidates);
-  if (touch_icon_handler_.get())
-    touch_icon_handler_->OnUpdateFaviconURL(page_id, candidates);
-}
-
 void FaviconTabHelper::SaveFavicon() {
   NavigationEntry* entry = web_contents()->GetController().GetActiveEntry();
   if (!entry || entry->GetURL().is_empty())
     return;
 
   // Make sure the page is in history, otherwise adding the favicon does
   // nothing.
   HistoryService* history = HistoryServiceFactory::GetForProfile(
       profile_->GetOriginalProfile(), Profile::IMPLICIT_ACCESS);
   if (!history)
@@ skipping 11 matching lines @@
   }
   service->SetFavicons(entry->GetURL(), favicon.url, history::FAVICON,
                        favicon.image);
 }
 
 NavigationEntry* FaviconTabHelper::GetActiveEntry() {
   return web_contents()->GetController().GetActiveEntry();
 }
 
 int FaviconTabHelper::StartDownload(const GURL& url, int image_size) {
-  return favicon_download_helper_->DownloadFavicon(url, image_size);
+  return web_contents()->DownloadFavicon(url, image_size,
+      base::Bind(&FaviconTabHelper::DidDownloadFavicon,
+                 base::Unretained(this)));
 }
 
 void FaviconTabHelper::NotifyFaviconUpdated() {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_FAVICON_UPDATED,
       content::Source<WebContents>(web_contents()),
       content::NotificationService::NoDetails());
   web_contents()->NotifyNavigationStateChanged(content::INVALIDATE_TYPE_TAB);
 }
 
 void FaviconTabHelper::NavigateToPendingEntry(
     const GURL& url,
     NavigationController::ReloadType reload_type) {
   if (reload_type != NavigationController::NO_RELOAD &&
       !profile_->IsOffTheRecord()) {
     FaviconService* favicon_service = FaviconServiceFactory::GetForProfile(
         profile_, Profile::IMPLICIT_ACCESS);
     if (favicon_service)
       favicon_service->SetFaviconOutOfDateForPage(url);
   }
 }
 
 void FaviconTabHelper::DidNavigateMainFrame(
     const content::LoadCommittedDetails& details,
     const content::FrameNavigateParams& params) {
   // Get the favicon, either from history or request it from the net.
   FetchFavicon(details.entry->GetURL());
 }
 
-void FaviconTabHelper::OnDidDownloadFavicon(
+void FaviconTabHelper::DidUpdateFaviconURL(
+    int32 page_id,
+    const std::vector<content::FaviconURL>& candidates) {
+  favicon_handler_->OnUpdateFaviconURL(page_id, candidates);
+  if (touch_icon_handler_.get())
+    touch_icon_handler_->OnUpdateFaviconURL(page_id, candidates);
+}
+
+void FaviconTabHelper::DidDownloadFavicon(
     int id,
     const GURL& image_url,
     bool errored,
     int requested_size,
     const std::vector<SkBitmap>& bitmaps) {
   favicon_handler_->OnDidDownloadFavicon(
       id, image_url, errored, requested_size, bitmaps);
   if (touch_icon_handler_.get()) {
     touch_icon_handler_->OnDidDownloadFavicon(
         id, image_url, errored, requested_size, bitmaps);
   }
 }