Fixed file/directory url resolution for external mount point provider.

content/browser/file_system/file_system_dispatcher_host.cc

 // 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.
 
 #include "content/browser/file_system/file_system_dispatcher_host.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
@@ skipping 28 matching lines @@
   }
 
   virtual ~BrowserFileSystemCallbackDispatcher() {
     dispatcher_host_->UnregisterOperation(request_id_);
   }
 
   virtual void DidSucceed() {
     dispatcher_host_->Send(new FileSystemMsg_DidSucceed(request_id_));
   }
 
+  virtual void DidGetLocalPath(const FilePath& local_path) {
+    NOTREACHED();
+  }
+
   virtual void DidReadMetadata(
       const base::PlatformFileInfo& info,
       const FilePath& platform_path) {
     dispatcher_host_->Send(new FileSystemMsg_DidReadMetadata(
         request_id_, info, platform_path));
   }
 
   virtual void DidReadDirectory(
       const std::vector<base::FileUtilProxy::Entry>& entries, bool has_more) {
     dispatcher_host_->Send(new FileSystemMsg_DidReadDirectory(
@@ skipping 223 matching lines @@
       context_,
       NULL);
   operations_.AddWithID(operation, request_id);
   return operation;
 }
 
 void FileSystemDispatcherHost::UnregisterOperation(int request_id) {
   DCHECK(operations_.Lookup(request_id));
   operations_.Remove(request_id);
 }