Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/quota/quota_reservation_manager_unittest.cc

 // Copyright 2014 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 "storage/browser/fileapi/quota/quota_reservation_manager.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
-#include "base/location.h"
+#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
 #include "storage/browser/fileapi/quota/open_file_handle.h"
 #include "storage/browser/fileapi/quota/quota_reservation.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using storage::kFileSystemTypeTemporary;
 using storage::OpenFileHandle;
 using storage::QuotaReservation;
 using storage::QuotaReservationManager;
 
 namespace content {
@@ skipping 25 matching lines @@
         on_disk_usage_(kInitialFileSize) {}
   ~FakeBackend() override {}
 
   void ReserveQuota(const GURL& origin,
                     storage::FileSystemType type,
                     int64 delta,
                     const ReserveQuotaCallback& callback) override {
     EXPECT_EQ(GURL(kOrigin), origin);
     EXPECT_EQ(kType, type);
     on_memory_usage_ += delta;
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
+    base::MessageLoopProxy::current()->PostTask(
         FROM_HERE,
         base::Bind(base::IgnoreResult(callback), base::File::FILE_OK, delta));
   }
 
   void ReleaseReservedQuota(const GURL& origin,
                             storage::FileSystemType type,
                             int64 size) override {
     EXPECT_LE(0, size);
     EXPECT_EQ(GURL(kOrigin), origin);
     EXPECT_EQ(kType, type);
@@ skipping 286 matching lines @@
 
   EXPECT_EQ(kInitialFileSize + 10, GetFileSize(file_path()));
   EXPECT_EQ(kInitialFileSize + 15 + 20, fake_backend()->on_memory_usage());
   EXPECT_EQ(kInitialFileSize + 10, fake_backend()->on_disk_usage());
 
   reservation2 = NULL;
   EXPECT_EQ(kInitialFileSize + 10, fake_backend()->on_memory_usage());
 }
 
 }  // namespace content