Wire up the deleteFileSystem operation.

content/renderer/render_view_impl.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 CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 617 matching lines @@
                                           int count,
                                           bool final_update);
   virtual void reportFindInPageSelection(int request_id,
                                          int active_match_ordinal,
                                          const WebKit::WebRect& sel);
   virtual void openFileSystem(WebKit::WebFrame* frame,
                               WebKit::WebFileSystem::Type type,
                               long long size,
                               bool create,
                               WebKit::WebFileSystemCallbacks* callbacks);
+  virtual void deleteFileSystem(WebKit::WebFrame* frame,
+                                WebKit::WebFileSystem::Type type,
+                                WebKit::WebFileSystemCallbacks* callbacks);
   virtual void queryStorageUsageAndQuota(
       WebKit::WebFrame* frame,
       WebKit::WebStorageQuotaType type,
       WebKit::WebStorageQuotaCallbacks* callbacks);
   virtual void requestStorageQuota(
       WebKit::WebFrame* frame,
       WebKit::WebStorageQuotaType type,
       unsigned long long requested_size,
       WebKit::WebStorageQuotaCallbacks* callbacks);
   virtual void registerIntentService(
@@ skipping 785 matching lines @@
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.  You can
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_