Make MountPointProvider pluggable from outside webkit/fileapi

webkit/fileapi/mock_file_system_context.cc

Index: webkit/fileapi/mock_file_system_context.cc
diff --git a/webkit/fileapi/mock_file_system_context.cc b/webkit/fileapi/mock_file_system_context.cc
new file mode 100644
index 0000000000000000000000000000000000000000..669d431f743663d06446c41ba1f6a00b78a027c2
--- /dev/null
+++ b/webkit/fileapi/mock_file_system_context.cc
@@ -0,0 +1,35 @@
+// Copyright (c) 2013 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/mock_file_system_context.h"
+
+#include "base/memory/scoped_vector.h"
+#include "webkit/fileapi/external_mount_points.h"
+#include "webkit/fileapi/file_system_context.h"
+#include "webkit/fileapi/file_system_mount_point_provider.h"
+#include "webkit/fileapi/file_system_task_runners.h"
+#include "webkit/fileapi/mock_file_system_options.h"
+#include "webkit/fileapi/test_mount_point_provider.h"
+#include "webkit/quota/mock_special_storage_policy.h"
+
+namespace fileapi {
+
+FileSystemContext* CreateFileSystemContextForTesting(
+    quota::QuotaManagerProxy* quota_manager_proxy,
+    const base::FilePath& base_path) {
+  ScopedVector<FileSystemMountPointProvider> additional_providers;
+  additional_providers.push_back(
+      new TestMountPointProvider(
+          base::MessageLoopProxy::current(), base_path));
+  return new FileSystemContext(
+      FileSystemTaskRunners::CreateMockTaskRunners(),
+      ExternalMountPoints::CreateRefCounted().get(),
+      make_scoped_refptr(new quota::MockSpecialStoragePolicy()),
+      quota_manager_proxy,
+      additional_providers.Pass(),
+      base_path,
+      CreateAllowFileAccessOptions());
+}
+
+}  // namespace fileapi