Remove `kMockStart` from `quota::MockStorageClient`

chrome/browser/browsing_data_quota_helper_unittest.cc

Index: chrome/browser/browsing_data_quota_helper_unittest.cc
diff --git a/chrome/browser/browsing_data_quota_helper_unittest.cc b/chrome/browser/browsing_data_quota_helper_unittest.cc
index 153af3434b0f5494403307c4a4510a606f26f75a..834fa2327c88f19fb008898420cca254899fc671 100644
--- a/chrome/browser/browsing_data_quota_helper_unittest.cc
+++ b/chrome/browser/browsing_data_quota_helper_unittest.cc
@@ -71,7 +71,8 @@ class BrowsingDataQuotaHelperTest : public testing::Test {
   void RegisterClient(const quota::MockOriginData* data, std::size_t data_len) {
     quota::MockStorageClient* client =
         new quota::MockStorageClient(
-            quota_manager_->proxy(), data, data_len);
+            quota_manager_->proxy(), data, quota::QuotaClient::kFileSystem,
+            data_len);
     quota_manager_->proxy()->RegisterClient(client);
     client->TouchAllOriginsAndNotify();
   }