Stop returning the true root path of each filesystem from openFileSystem....

webkit/tools/test_shell/simple_file_writer.h

 // Copyright (c) 2011 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_TOOLS_TEST_SHELL_SIMPLE_FILE_WRITER_H_
 #define WEBKIT_TOOLS_TEST_SHELL_SIMPLE_FILE_WRITER_H_
 
 #include "base/ref_counted.h"
 #include "base/weak_ptr.h"
 #include "webkit/fileapi/webfilewriter_base.h"
 
 namespace net {
 class URLRequestContext;
 }  // namespace net
 
+namespace fileapi {
+class FileSystemContext;
+}
+
 // An implementation of WebFileWriter for use in test_shell and DRT.
 class SimpleFileWriter : public fileapi::WebFileWriterBase,
                          public base::SupportsWeakPtr<SimpleFileWriter> {
  public:
   SimpleFileWriter(
-      const WebKit::WebString& path, WebKit::WebFileWriterClient* client);
+      const WebKit::WebString& path,
+      WebKit::WebFileWriterClient* client,
+      fileapi::FileSystemContext* file_system_context);
   virtual ~SimpleFileWriter();
 
   // Called by SimpleResourceLoaderBridge when the context is
   // created and destroyed.
   static void InitializeOnIOThread(net::URLRequestContext* request_context) {
     request_context_ = request_context;
   }
   static void CleanupOnIOThread() {
     request_context_ = NULL;
   }
 
  protected:
   // WebFileWriterBase overrides
   virtual void DoTruncate(const FilePath& path, int64 offset);
   virtual void DoWrite(const FilePath& path, const GURL& blob_url,
                        int64 offset);
   virtual void DoCancel();
 
  private:
   class IOThreadProxy;
   scoped_refptr<IOThreadProxy> io_thread_proxy_;
   static net::URLRequestContext* request_context_;
 };
 
 #endif  // WEBKIT_TOOLS_TEST_SHELL_SIMPLE_FILE_WRITER_H_