Use ScopedTaskEnvironment instead of MessageLoop in content unit tests.

content/browser/quota/quota_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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
 #include <set>
 #include <sstream>
 #include <tuple>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/run_loop.h"
 #include "base/stl_util.h"
 #include "base/sys_info.h"
 #include "base/test/histogram_tester.h"
+#include "base/test/scoped_task_environment.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "content/public/test/mock_special_storage_policy.h"
 #include "content/public/test/mock_storage_client.h"
 #include "storage/browser/quota/quota_database.h"
 #include "storage/browser/quota/quota_manager.h"
 #include "storage/browser/quota/quota_manager_proxy.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
@@ skipping 403 matching lines @@
   base::FilePath profile_path() const { return data_dir_.GetPath(); }
   int status_callback_count() const { return status_callback_count_; }
   void reset_status_callback_count() { status_callback_count_ = 0; }
 
  private:
   base::Time IncrementMockTime() {
     ++mock_time_counter_;
     return base::Time::FromDoubleT(mock_time_counter_ * 10.0);
   }
 
-  base::MessageLoop message_loop_;
+  base::test::ScopedTaskEnvironment scoped_task_environment_;
   base::ScopedTempDir data_dir_;
 
   scoped_refptr<QuotaManager> quota_manager_;
   scoped_refptr<MockSpecialStoragePolicy> mock_special_storage_policy_;
 
   QuotaStatusCode quota_status_;
   UsageInfoEntries usage_info_;
   int64_t usage_;
   int64_t limited_usage_;
   int64_t unlimited_usage_;
@@ skipping 1787 matching lines @@
   EXPECT_EQ(available_space() + usage(), quota());
 
   GetUsageAndQuotaForWebApps(GURL("http://foo.com/"), kTemp);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(kQuotaStatusOk, status());
   EXPECT_EQ(10, usage());
   EXPECT_EQ(available_space() + usage(), quota());
 }
 
 }  // namespace content