Remove use of deprecated MessageLoop methods in content.

content/renderer/image_downloader/image_downloader_impl.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 "content/renderer/image_downloader/image_downloader_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
+#include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "content/child/image_decoder.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/renderer/fetchers/multi_resolution_image_resource_fetcher.h"
 #include "mojo/common/url_type_converters.h"
 #include "net/base/data_url.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
@@ skipping 180 matching lines @@
 
   ReplyDownloadResult(fetcher->http_status_code(), result_images,
                       result_original_image_sizes, callback);
 
   // Remove the image fetcher from our pending list. We're in the callback from
   // MultiResolutionImageResourceFetcher, best to delay deletion.
   ImageResourceFetcherList::iterator iter =
       std::find(image_fetchers_.begin(), image_fetchers_.end(), fetcher);
   if (iter != image_fetchers_.end()) {
     image_fetchers_.weak_erase(iter);
-    base::MessageLoop::current()->DeleteSoon(FROM_HERE, fetcher);
+    base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, fetcher);
   }
 }
 
 void ImageDownloaderImpl::ReplyDownloadResult(
     int32_t http_status_code,
     const std::vector<SkBitmap>& result_images,
     const std::vector<gfx::Size>& result_original_image_sizes,
     const DownloadImageCallback& callback) {
   callback.Run(http_status_code, mojo::Array<SkBitmap>::From(result_images),
                result_original_image_sizes);
 }
 
 }  // namespace content