Make MountPointProvider pluggable from outside webkit/fileapi

webkit/fileapi/local_file_system_cross_operation_unittest.cc

Index: webkit/fileapi/local_file_system_cross_operation_unittest.cc
diff --git a/webkit/fileapi/local_file_system_cross_operation_unittest.cc b/webkit/fileapi/local_file_system_cross_operation_unittest.cc
index 54660696ed0b8dc9a9f627887efbead716f90193..788cce0f8a788e529fb9c3c0cc7f87b75c7d4603 100644
--- a/webkit/fileapi/local_file_system_cross_operation_unittest.cc
+++ b/webkit/fileapi/local_file_system_cross_operation_unittest.cc
@@ -23,7 +23,6 @@
 #include "webkit/fileapi/mock_file_system_options.h"
 #include "webkit/fileapi/test_file_set.h"
 #include "webkit/quota/mock_quota_manager.h"
-#include "webkit/quota/mock_special_storage_policy.h"
 #include "webkit/quota/quota_manager.h"
 
 namespace fileapi {
@@ -61,9 +60,9 @@ class CrossOperationTestHelper {
         base::MessageLoopProxy::current());
     file_system_context_ = new FileSystemContext(
         FileSystemTaskRunners::CreateMockTaskRunners(),
-        ExternalMountPoints::CreateRefCounted().get(),
-        make_scoped_refptr(new quota::MockSpecialStoragePolicy),
         quota_manager_proxy_,
+        ScopedVector<FileSystemMountPointProvider>(),
+        std::vector<MountPoints*>(),
         base_dir,
         CreateAllowFileAccessOptions());