[chrome/browser] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

chrome/browser/image_decoder.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/image_decoder.h"
 
 #include "base/bind.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/chrome_utility_messages.h"
@@ skipping 142 matching lines @@
       image_request_id_map_.erase(it++);
     } else {
       ++it;
     }
   }
 }
 
 void ImageDecoder::StartBatchMode() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   utility_process_host_ =
-      UtilityProcessHost::Create(this, base::MessageLoopProxy::current().get())
-          ->AsWeakPtr();
+      UtilityProcessHost::Create(
+          this, base::ThreadTaskRunnerHandle::Get().get())->AsWeakPtr();
   utility_process_host_->SetName(l10n_util::GetStringUTF16(
       IDS_UTILITY_PROCESS_IMAGE_DECODER_NAME));
   if (!utility_process_host_->StartBatchMode()) {
      utility_process_host_.reset();
      return;
   }
 }
 
 void ImageDecoder::StopBatchMode() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
@@ skipping 101 matching lines @@
     auto it = image_request_id_map_.find(request_id);
     if (it == image_request_id_map_.end())
       return;
     image_request = it->second;
     image_request_id_map_.erase(it);
   }
 
   DCHECK(image_request->task_runner()->RunsTasksOnCurrentThread());
   image_request->OnDecodeImageFailed();
 }