[chrome/browser/e*-i*] favor DCHECK_CURRENTLY_ON for better logs

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 71 matching lines @@
   bitmap_fetcher_handler->Start(
       browser_context_, referrer, referrer_policy,
       net::LOAD_DO_NOT_SEND_COOKIES | net::LOAD_DO_NOT_SAVE_COOKIES,
       update_bookmark, page_url);
 }
 
 void BookmarkImageServiceAndroid::RetrieveSalientImageFromContext(
     content::RenderFrameHost* render_frame_host,
     const GURL& page_url,
     bool update_bookmark) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (IsPageUrlInProgress(page_url))
     return;  // A request for this URL is already in progress.
 
   const BookmarkNode* bookmark = enhanced_bookmark_model_->bookmark_model()
           ->GetMostRecentlyAddedUserNodeForURL(page_url);
   if (!bookmark)
     return;
 
   // Stop the image extraction if there is already an image present.
   GURL url;
@@ skipping 149 matching lines @@
   update_bookmark_ = update_bookmark;
   page_url_ = page_url;
 
   bitmap_fetcher_.Start(browser_context->GetRequestContext(), referrer,
                         referrer_policy, load_flags);
 }
 
 void BookmarkImageServiceAndroid::BitmapFetcherHandler::OnFetchComplete(
     const GURL& url,
     const SkBitmap* bitmap) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  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