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

content/browser/renderer_host/pepper/quota_reservation_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 "content/browser/renderer_host/pepper/quota_reservation.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/quota_reservation.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using storage::QuotaReservationManager;
 
 namespace content {
 
 namespace {
 
 const char kOrigin[] = "http://example.com";
 const storage::FileSystemType kType = storage::kFileSystemTypeTemporary;
 
 const base::FilePath::StringType file1_name = FILE_PATH_LITERAL("file1");
 const base::FilePath::StringType file2_name = FILE_PATH_LITERAL("file2");
 const base::FilePath::StringType file3_name = FILE_PATH_LITERAL("file3");
 const int kFile1ID = 1;
 const int kFile2ID = 2;
 const int kFile3ID = 3;
 
 class FakeBackend : public QuotaReservationManager::QuotaBackend {
  public:
   FakeBackend() {}
   ~FakeBackend() override {}
 
   void ReserveQuota(
       const GURL& origin,
       storage::FileSystemType type,
       int64 delta,
       const QuotaReservationManager::ReserveQuotaCallback& callback) override {
-    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 {}
 
   void CommitQuotaUsage(const GURL& origin,
                         storage::FileSystemType type,
@@ skipping 181 matching lines @@
   EXPECT_EQ(amount, reserved_quota);
   EXPECT_EQ(2U, file_growths.size());
   EXPECT_EQ(file1_size, file_growths[kFile1ID].max_written_offset);
   EXPECT_EQ(file3_size, file_growths[kFile3ID].max_written_offset);
 
   test->CloseFile(kFile1ID, ppapi::FileGrowth(file1_size, 0));
   test->CloseFile(kFile3ID, ppapi::FileGrowth(file3_size, 0));
 }
 
 }  // namespace content