Wire up the deleteFileSystem operation.

content/common/fileapi/file_system_messages.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.
 
 // IPC messages for the file system.
 // Multiply-included message file, hence no include guard.
 
 #include "base/file_util_proxy.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_message_macros.h"
@@ skipping 42 matching lines @@
 // File system messages sent from the child process to the browser.
 
 // WebFrameClient::openFileSystem() message.
 IPC_MESSAGE_CONTROL5(FileSystemHostMsg_Open,
                      int /* request_id */,
                      GURL /* origin_url */,
                      fileapi::FileSystemType /* type */,
                      int64 /* requested_size */,
                      bool /* create */)
 
+// WebFrameClient::deleteFileSystem() message.
+IPC_MESSAGE_CONTROL3(FileSystemHostMsg_DeleteFileSystem,
+                     int /* request_id */,
+                     GURL /* origin_url */,
+                     fileapi::FileSystemType /* type */)
+
 // WebFileSystem::move() message.
 IPC_MESSAGE_CONTROL3(FileSystemHostMsg_Move,
                      int /* request_id */,
                      GURL /* src path */,
                      GURL /* dest path */)
 
 // WebFileSystem::copy() message.
 IPC_MESSAGE_CONTROL3(FileSystemHostMsg_Copy,
                      int /* request_id */,
                      GURL /* src path */,
@@ skipping 75 matching lines @@
                             GURL /* file path */,
                             FilePath /* platform_path */)
 
 // Pre- and post-update notifications for ppapi implementation.
 IPC_MESSAGE_CONTROL1(FileSystemHostMsg_WillUpdate,
                      GURL /* file_path */)
 
 IPC_MESSAGE_CONTROL2(FileSystemHostMsg_DidUpdate,
                      GURL /* file_path */,
                      int64 /* delta */)