Remove all remaining traces of MessageLoopProxy.

chrome/browser/safe_browsing/download_feedback_service_unittest.cc

 // Copyright 2013 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/safe_browsing/download_feedback_service.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
@@ skipping 114 matching lines @@
   EXPECT_FALSE(DownloadFeedbackService::IsEnabledForDownload(item));
   DownloadFeedbackService::MaybeStorePingsForDownload(result, &item, "a", "b");
   return DownloadFeedbackService::IsEnabledForDownload(item);
 }
 
 }  // namespace
 
 class DownloadFeedbackServiceTest : public testing::Test {
  public:
   DownloadFeedbackServiceTest()
-      : file_task_runner_(content::BrowserThread::GetMessageLoopProxyForThread(
+      : file_task_runner_(content::BrowserThread::GetTaskRunnerForThread(
             content::BrowserThread::FILE)),
-        io_task_runner_(content::BrowserThread::GetMessageLoopProxyForThread(
+        io_task_runner_(content::BrowserThread::GetTaskRunnerForThread(
             content::BrowserThread::IO)),
         request_context_getter_(
-            new net::TestURLRequestContextGetter(io_task_runner_)) {
-  }
+            new net::TestURLRequestContextGetter(io_task_runner_)) {}
 
   void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     DownloadFeedback::RegisterFactory(&download_feedback_factory_);
   }
 
   void TearDown() override { DownloadFeedback::RegisterFactory(NULL); }
 
   base::FilePath CreateTestFile(int n) const {
     base::FilePath upload_file_path(
@@ skipping 217 matching lines @@
   // was deleted.
   EXPECT_FALSE(base::PathExists(file_path[2]));
 
   // These files should still exist since the FakeDownloadFeedback does not
   // delete them.
   EXPECT_TRUE(base::PathExists(file_path[0]));
   EXPECT_TRUE(base::PathExists(file_path[1]));
 }
 
 }  // namespace safe_browsing