Make MountPointProvider pluggable from outside webkit/fileapi

webkit/fileapi/test_mount_point_provider.cc

 // 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.
 
 #include "webkit/fileapi/test_mount_point_provider.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 63 matching lines @@
       local_file_util_(new AsyncFileUtilAdapter(new LocalFileUtil())),
       quota_util_(new QuotaUtil) {
   UpdateObserverList::Source source;
   source.AddObserver(quota_util_.get(), task_runner_);
   observers_ = UpdateObserverList(source);
 }
 
 TestMountPointProvider::~TestMountPointProvider() {
 }
 
+bool TestMountPointProvider::CanHandleType(FileSystemType type) const {
+  return (type == kFileSystemTypeTest);
+}
+
 void TestMountPointProvider::ValidateFileSystemRoot(
     const GURL& origin_url,
     FileSystemType type,
     bool create,
     const ValidateFileSystemCallback& callback) {
   // This won't be called unless we add test code that opens a test
   // filesystem by OpenFileSystem.
   NOTREACHED();
 }
 
@@ skipping 80 matching lines @@
   NOTREACHED();
   callback.Run(base::PLATFORM_FILE_ERROR_INVALID_OPERATION);
 }
 
 const UpdateObserverList* TestMountPointProvider::GetUpdateObservers(
     FileSystemType type) const {
   return &observers_;
 }
 
 }  // namespace fileapi