LocalFileSystem::deleteFileSystem() is no longer used.

content/browser/fileapi/fileapi_message_filter.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_BROWSER_FILEAPI_FILEAPI_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_FILEAPI_FILEAPI_MESSAGE_FILTER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 72 matching lines @@
   ~FileAPIMessageFilter() override;
 
  private:
   typedef storage::FileSystemOperationRunner::OperationID OperationID;
 
   void OnOpenFileSystem(int request_id,
                         const GURL& origin_url,
                         storage::FileSystemType type);
   void OnResolveURL(int request_id,
                     const GURL& filesystem_url);
-  void OnDeleteFileSystem(int request_id,
-                          const GURL& origin_url,
-                          storage::FileSystemType type);
   void OnMove(int request_id,
               const GURL& src_path,
               const GURL& dest_path);
   void OnCopy(int request_id,
               const GURL& src_path,
               const GURL& dest_path);
   void OnRemove(int request_id, const GURL& path, bool recursive);
   void OnReadMetadata(int request_id, const GURL& path);
   void OnCreate(int request_id,
                 const GURL& path,
@@ skipping 55 matching lines @@
                 bool complete);
   void DidOpenFileSystem(int request_id,
                          const GURL& root,
                          const std::string& filesystem_name,
                          base::File::Error result);
   void DidResolveURL(int request_id,
                      base::File::Error result,
                      const storage::FileSystemInfo& info,
                      const base::FilePath& file_path,
                      storage::FileSystemContext::ResolvedEntryType type);
-  void DidDeleteFileSystem(int request_id,
-                           base::File::Error result);
   void DidCreateSnapshot(
       int request_id,
       const storage::FileSystemURL& url,
       base::File::Error result,
       const base::File::Info& info,
       const base::FilePath& platform_path,
       const scoped_refptr<storage::ShareableFileReference>& file_ref);
 
   // Sends a FileSystemMsg_DidFail and returns false if |url| is invalid.
   bool ValidateFileSystemURL(int request_id, const storage::FileSystemURL& url);
@@ skipping 35 matching lines @@
   // is being sent to the renderer.
   std::map<int, scoped_refptr<storage::ShareableFileReference> >
       in_transit_snapshot_files_;
 
   DISALLOW_COPY_AND_ASSIGN(FileAPIMessageFilter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FILEAPI_FILEAPI_MESSAGE_FILTER_H_