Add LocalFileSyncContext class which wires up profile-owned service and FileSystemContext(s)

webkit/fileapi/syncable/canned_syncable_file_system.h

 // 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.
 
 #ifndef WEBKIT_FILEAPI_SYNCABLE_CANNED_SYNCABLE_FILE_SYSTEM_H_
 #define WEBKIT_FILEAPI_SYNCABLE_CANNED_SYNCABLE_FILE_SYSTEM_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 43 matching lines @@
     return file_system_context_.get();
   }
   quota::QuotaManager* quota_manager() { return quota_manager_.get(); }
   GURL origin() const { return test_helper_.origin(); }
   FileSystemType type() const { return test_helper_.type(); }
   quota::StorageType storage_type() const {
     return test_helper_.storage_type();
   }
 
   // Helper routines to perform file system operations.
+  // OpenFileSystem() must have been called before calling any of them.
   // (They run on the current thread and returns synchronously).
   base::PlatformFileError CreateDirectory(const FileSystemURL& url);
   base::PlatformFileError CreateFile(const FileSystemURL& url);
   base::PlatformFileError TruncateFile(const FileSystemURL& url, int64 size);
   base::PlatformFileError Remove(const FileSystemURL& url, bool recursive);
 
   // Pruges the file system local storage.
   base::PlatformFileError DeleteFileSystem();
 
  private:
   // Callbacks.
   void DidOpenFileSystem(base::PlatformFileError result,
                          const std::string& name,
                          const GURL& root);
   void StatusCallback(base::PlatformFileError result);
 
   FileSystemOperationContext* NewOperationContext();
 
   ScopedTempDir data_dir_;
   const std::string service_name_;
 
   scoped_refptr<quota::QuotaManager> quota_manager_;
   scoped_refptr<FileSystemContext> file_system_context_;
   LocalFileSystemTestOriginHelper test_helper_;
   GURL root_url_;
   base::PlatformFileError result_;
   SyncStatusCode sync_status_;
 
+  // Boolean flags mainly for helping debug.
+  bool is_filesystem_set_up_;
+  bool is_filesystem_opened_;
+
   base::WeakPtrFactory<CannedSyncableFileSystem> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CannedSyncableFileSystem);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_SYNCABLE_CANNED_SYNCABLE_FILE_SYSTEM_H_