Replace MessageLoop::current()->task_runner() with ThreadTaskRunnerHandle::Get().

components/update_client/component_patcher_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 "base/base_paths.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "components/update_client/component_patcher.h"
 #include "components/update_client/component_patcher_operation.h"
 #include "components/update_client/component_patcher_unittest.h"
 #include "components/update_client/test_installer.h"
 #include "courgette/courgette.h"
 #include "courgette/third_party/bsdiff/bsdiff.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
@@ skipping 38 matching lines @@
       .AppendASCII(file);
 }
 
 }  // namespace
 
 ComponentPatcherOperationTest::ComponentPatcherOperationTest() {
   EXPECT_TRUE(unpack_dir_.CreateUniqueTempDir());
   EXPECT_TRUE(input_dir_.CreateUniqueTempDir());
   EXPECT_TRUE(installed_dir_.CreateUniqueTempDir());
   installer_ = new ReadOnlyTestInstaller(installed_dir_.GetPath());
-  task_runner_ = base::MessageLoop::current()->task_runner();
+  task_runner_ = base::ThreadTaskRunnerHandle::Get();
 }
 
 ComponentPatcherOperationTest::~ComponentPatcherOperationTest() {
 }
 
 // Verify that a 'create' delta update operation works correctly.
 TEST_F(ComponentPatcherOperationTest, CheckCreateOperation) {
   EXPECT_TRUE(base::CopyFile(
       test_file("binary_output.bin"),
       input_dir_.GetPath().Append(FILE_PATH_LITERAL("binary_output.bin"))));
@@ skipping 111 matching lines @@
 
   EXPECT_EQ(true, callback.called_);
   EXPECT_EQ(ComponentUnpacker::kNone, callback.error_);
   EXPECT_EQ(0, callback.extra_code_);
   EXPECT_TRUE(base::ContentsEqual(
       unpack_dir_.GetPath().Append(FILE_PATH_LITERAL("output.bin")),
       test_file("binary_output.bin")));
 }
 
 }  // namespace update_client