Add possibility to define data callback to BitmapFetcher

chrome/browser/enhanced_bookmarks/android/bookmark_image_service_android.cc

 // Copyright 2014 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 "base/json/json_parser.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher.h"
 #include "chrome/browser/enhanced_bookmarks/android/bookmark_image_service_android.h"
 #include "chrome/browser/enhanced_bookmarks/enhanced_bookmark_model_factory.h"
@@ skipping 236 matching lines @@
 void BookmarkImageServiceAndroid::BitmapFetcherHandler::Start(
     content::BrowserContext* browser_context,
     const std::string& referrer,
     net::URLRequest::ReferrerPolicy referrer_policy,
     int load_flags,
     bool update_bookmark,
     const GURL& page_url) {
   update_bookmark_ = update_bookmark;
   page_url_ = page_url;
 
-  bitmap_fetcher_.Start(browser_context->GetRequestContext(), referrer,
-                        referrer_policy, load_flags);
+  bitmap_fetcher_.Init(browser_context->GetRequestContext(), referrer,
+                       referrer_policy, load_flags);
+  bitmap_fetcher_.Start();
 }
 
 void BookmarkImageServiceAndroid::BitmapFetcherHandler::OnFetchComplete(
     const GURL& url,
     const SkBitmap* bitmap) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   scoped_ptr<gfx::Image> image;
   if (bitmap) {
     gfx::ImageSkia imageSkia = gfx::ImageSkia::CreateFrom1xBitmap(*bitmap);
     imageSkia.MakeThreadSafe();
     image.reset(new gfx::Image(imageSkia));
   } else {
     image.reset(new gfx::Image());
   }
   service_->ProcessNewImage(page_url_, update_bookmark_, url, image.Pass());
 
   delete this;
 }
 
 }  // namespace enhanced_bookmarks