Remove all remaining traces of MessageLoopProxy.

content/browser/loader/resource_loader_unittest.cc

 // Copyright (c) 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 "content/browser/loader/resource_loader.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 920 matching lines @@
                 base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_ASYNC;
     base::File file(temp_path_, flags);
     CHECK(file.IsValid());
 
     // Create mock file streams and a ShareableFileReference.
     std::unique_ptr<net::testing::MockFileStream> file_stream(
         new net::testing::MockFileStream(std::move(file),
                                          base::ThreadTaskRunnerHandle::Get()));
     file_stream_ = file_stream.get();
     deletable_file_ = ShareableFileReference::GetOrCreate(
-        temp_path_,
-        ShareableFileReference::DELETE_ON_FINAL_RELEASE,
-        BrowserThread::GetMessageLoopProxyForThread(
-            BrowserThread::FILE).get());
+        temp_path_, ShareableFileReference::DELETE_ON_FINAL_RELEASE,
+        BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE).get());
 
     // Inject them into the handler.
     std::unique_ptr<RedirectToFileResourceHandler> handler(
         new RedirectToFileResourceHandler(std::move(leaf_handler), request));
     redirect_to_file_resource_handler_ = handler.get();
     handler->SetCreateTemporaryFileStreamFunctionForTesting(
         base::Bind(&ResourceLoaderRedirectToFileTest::PostCallback,
                    base::Unretained(this),
                    base::Passed(&file_stream)));
     return std::move(handler);
@@ skipping 279 matching lines @@
 
 // Tests that the effective connection type is not set on non-main frame
 // requests.
 TEST_F(EffectiveConnectionTypeResourceLoaderTest, NotAMainFrame) {
   VerifyEffectiveConnectionType(
       false, net::NetworkQualityEstimator::EFFECTIVE_CONNECTION_TYPE_3G,
       net::NetworkQualityEstimator::EFFECTIVE_CONNECTION_TYPE_UNKNOWN);
 }
 
 }  // namespace content