Change ownership of BackgroundSyncServiceImpl to BackgroundSyncContextImpl

content/browser/background_sync/background_sync_service_impl_unittest.cc

 // Copyright 2015 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/background_sync/background_sync_service_impl.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/power_monitor/power_monitor.h"
@@ skipping 88 matching lines @@
     CreateTestHelper();
     CreateBackgroundSyncContext();
     CreateServiceWorkerRegistration();
     CreateBackgroundSyncServiceImpl();
   }
 
   void TearDown() override {
     // This must be explicitly destroyed here to ensure that destruction
     // of both the BackgroundSyncContext and the BackgroundSyncManager occurs on
     // the correct thread.
+    background_sync_context_->Shutdown();
+    base::RunLoop().RunUntilIdle();
     background_sync_context_ = nullptr;
   }
 
   // SetUp helper methods
   void CreateTestHelper() {
     embedded_worker_helper_.reset(
         new EmbeddedWorkerTestHelper(base::FilePath(), kRenderProcessId));
   }
 
   void CreateBackgroundSyncContext() {
@@ skipping 214 matching lines @@
   GetRegistrationsOneShot(base::Bind(&ErrorAndRegistrationListCallback,
                                      &getregistrations_called,
                                      &getregistrations_error, &array_size));
   EXPECT_TRUE(getregistrations_called);
   EXPECT_EQ(BackgroundSyncError::BACKGROUND_SYNC_ERROR_NONE,
             getregistrations_error);
   EXPECT_EQ(1UL, array_size);
 }
 
 }  // namespace content