Make MountPointProvider pluggable from outside webkit/fileapi

webkit/fileapi/file_system_mount_point_provider_unittest.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 <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/file_util.h"
@@ skipping 110 matching lines @@
 
  protected:
   void SetupNewContext(const FileSystemOptions& options) {
     scoped_refptr<ExternalMountPoints> external_mount_points(
         ExternalMountPoints::CreateRefCounted());
     file_system_context_ = new FileSystemContext(
         FileSystemTaskRunners::CreateMockTaskRunners(),
         external_mount_points.get(),
         special_storage_policy_,
         NULL,
+        ScopedVector<FileSystemMountPointProvider>(),
         data_dir_.path(),
         options);
 #if defined(OS_CHROMEOS)
     base::FilePath mount_point_path = base::FilePath(kMountPoint);
     external_mount_points->RegisterFileSystem(
         mount_point_path.BaseName().AsUTF8Unsafe(),
         kFileSystemTypeNativeLocal,
         mount_point_path);
 #endif
   }
@@ skipping 156 matching lines @@
                             kRootPathFileURITestCases[i].type,
                             true /* create */, &root_path));
     base::FilePath expected = file_system_path().AppendASCII(
         kRootPathFileURITestCases[i].expected_path);
     EXPECT_EQ(expected.value(), root_path.value());
     EXPECT_TRUE(file_util::DirectoryExists(root_path));
   }
 }
 
 }  // namespace fileapi