SyncFS: Introduce SyncFileSystemBackend

chrome/browser/sync_file_system/sync_file_system_service_unittest.cc

 // Copyright (c) 2012 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 <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/run_loop.h"
 #include "base/stl_util.h"
@@ skipping 280 matching lines @@
       SYNC_STATUS_FAILED);
 }
 
 // Flaky.  http://crbug.com/237710
 TEST_F(SyncFileSystemServiceTest, DISABLED_SimpleLocalSyncFlow) {
   InitializeApp();
 
   StrictMock<MockSyncStatusObserver> status_observer;
 
   EnableSync();
-  file_system_->file_system_context()->sync_context()->
+
+  file_system_->mount_provider()->sync_context()->
       set_mock_notify_changes_duration_in_sec(0);
   file_system_->AddSyncStatusObserver(&status_observer);
 
   // We'll test one local sync for this file.
   const FileSystemURL kFile(file_system_->URL("foo"));
 
   base::RunLoop run_loop;
 
   // We should get called OnSyncEnabled and OnWriteEnabled on kFile.
   // (We quit the run loop when OnWriteEnabled is called on kFile)
@@ skipping 37 matching lines @@
   // This should trigger a remote sync.
   mock_remote_service()->NotifyRemoteChangeQueueUpdated(1);
 
   run_loop.Run();
 }
 
 TEST_F(SyncFileSystemServiceTest, SimpleSyncFlowWithFileBusy) {
   InitializeApp();
 
   EnableSync();
-  file_system_->file_system_context()->sync_context()->
+
+  file_system_->mount_provider()->sync_context()->
       set_mock_notify_changes_duration_in_sec(0);
 
   const FileSystemURL kFile(file_system_->URL("foo"));
 
   base::RunLoop run_loop;
 
   // We expect a set of method calls for starting a remote sync.
   EXPECT_CALL(*mock_remote_service(), GetCurrentState())
       .Times(AtLeast(3))
       .WillRepeatedly(Return(REMOTE_SERVICE_OK));
@@ skipping 115 matching lines @@
         base::Bind(&AssignValueAndQuit<SyncFileStatus>,
                    &run_loop, &status, &sync_file_status));
     run_loop.Run();
 
     EXPECT_EQ(SYNC_STATUS_OK, status);
     EXPECT_EQ(SYNC_FILE_STATUS_CONFLICTING, sync_file_status);
   }
 }
 
 }  // namespace sync_file_system