[Enhanced Bookmark]Upstream image fetching code in android

components/enhanced_bookmarks/bookmark_image_service.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 "components/enhanced_bookmarks/bookmark_image_service.h"
 
 #include "base/single_thread_task_runner.h"
 #include "base/task_runner_util.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/sequenced_worker_pool.h"
@@ skipping 147 matching lines @@
     // There is no record in the store, and no previous attempts to retrieve
     // one. Start a request to retrieve a salient image if there is an image
     // url set on a bookmark, and then enqueue the request for the record to
     // be triggered when the retrieval is finished.
     RetrieveSalientImageForPageUrl(page_url);
     SalientImageForUrl(page_url, false, original_callback);
   }
 }
 
 void BookmarkImageService::SalientImageForUrl(const GURL& page_url,
-                                              bool fetch_from_bookmark,
+                                              bool fetch_from_web,
                                               ImageCallback callback) {
   DCHECK(CalledOnValidThread());
 
   // If the request is done while the image is currently being retrieved, just
   // store the appropriate callbacks to call once the image is retrieved.
   if (IsPageUrlInProgress(page_url)) {
     callbacks_[page_url].push_back(callback);
     return;
   }
 
-  if (!fetch_from_bookmark) {
+  if (!fetch_from_web) {
     RetrieveImageFromStore(page_url, callback);
   } else {
     RetrieveImageFromStore(page_url,
                            base::Bind(&BookmarkImageService::FetchCallback,
                                       base::Unretained(this),
                                       page_url,
                                       callback));
   }
 }
 
@@ skipping 168 matching lines @@
     const BookmarkNode* node) {
 }
 
 void BookmarkImageService::BookmarkAllUserNodesRemoved(
     BookmarkModel* model,
     const std::set<GURL>& removed_urls) {
   ClearAll();
 }
 
 }  // namespace enhanced_bookmarks