Add Worker support for FileSystem API.

chrome/worker/worker_webkitclient_impl.h

 // Copyright (c) 2010 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 CHROME_WORKER_WORKER_WEBKITCLIENT_IMPL_H_
 #define CHROME_WORKER_WORKER_WEBKITCLIENT_IMPL_H_
 #pragma once
 
 #include "base/scoped_ptr.h"
+#include "chrome/common/file_system/webfilesystem_impl.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebMimeRegistry.h"
 #include "webkit/glue/webfileutilities_impl.h"
 #include "webkit/glue/webkitclient_impl.h"
 
 class WorkerWebKitClientImpl : public webkit_glue::WebKitClientImpl,
                                public WebKit::WebMimeRegistry {
  public:
   // WebKitClient methods:
   virtual WebKit::WebClipboard* clipboard();
   virtual WebKit::WebMimeRegistry* mimeRegistry();
+  virtual WebKit::WebFileSystem* fileSystem();
   virtual WebKit::WebFileUtilities* fileUtilities();
   virtual WebKit::WebSandboxSupport* sandboxSupport();
   virtual bool sandboxEnabled();
   virtual unsigned long long visitedLinkHash(const char* canonicalURL,
                                              size_t length);
   virtual bool isLinkVisited(unsigned long long linkHash);
   virtual WebKit::WebMessagePortChannel* createMessagePortChannel();
   virtual void setCookies(const WebKit::WebURL& url,
                           const WebKit::WebURL& first_party_for_cookies,
                           const WebKit::WebString& value);
@@ skipping 35 matching lines @@
       const WebKit::WebString&);
   virtual WebKit::WebString mimeTypeForExtension(const WebKit::WebString&);
   virtual WebKit::WebString mimeTypeFromFile(const WebKit::WebString&);
   virtual WebKit::WebString preferredExtensionForMIMEType(
       const WebKit::WebString&);
 
  private:
   webkit_glue::WebFileUtilitiesImpl file_utilities_;
 
   scoped_ptr<WebKit::WebBlobRegistry> blob_registry_;
+
+  scoped_ptr<WebFileSystemImpl> web_file_system_;
 };
 
 #endif  // CHROME_WORKER_WORKER_WEBKITCLIENT_IMPL_H_