Make MountPointProvider pluggable from outside webkit/fileapi

webkit/fileapi/copy_or_move_file_validator_unittest.cc

Index: webkit/fileapi/copy_or_move_file_validator_unittest.cc
diff --git a/webkit/fileapi/copy_or_move_file_validator_unittest.cc b/webkit/fileapi/copy_or_move_file_validator_unittest.cc
index 6aafa88bbafeed362770c7440042f4271f7e00eb..d0b7cae9e523aa7a68e3b34d2c6c8a5a933ef798 100644
--- a/webkit/fileapi/copy_or_move_file_validator_unittest.cc
+++ b/webkit/fileapi/copy_or_move_file_validator_unittest.cc
@@ -18,7 +18,6 @@
 #include "webkit/fileapi/file_system_util.h"
 #include "webkit/fileapi/isolated_context.h"
 #include "webkit/fileapi/mock_file_system_options.h"
-#include "webkit/quota/mock_special_storage_policy.h"
 
 namespace fileapi {
 
@@ -42,9 +41,9 @@ class CopyOrMoveFileValidatorTestHelper {
     base::FilePath base_dir = base_.path();
     file_system_context_ = new FileSystemContext(
         FileSystemTaskRunners::CreateMockTaskRunners(),
-        ExternalMountPoints::CreateRefCounted().get(),
-        make_scoped_refptr(new quota::MockSpecialStoragePolicy),
         NULL,
+        ScopedVector<FileSystemMountPointProvider>(),
+        std::vector<MountPoints*>(),
         base_dir,
         CreateAllowFileAccessOptions());