Update TaskTraits in dom_storage_context_wrapper.cc.

content/browser/dom_storage/dom_storage_context_wrapper.cc

Index: content/browser/dom_storage/dom_storage_context_wrapper.cc
diff --git a/content/browser/dom_storage/dom_storage_context_wrapper.cc b/content/browser/dom_storage/dom_storage_context_wrapper.cc
index 56e9fb1006bc1b2747b273e1af9b15d8a8b4a0f4..67bb016e6472b7c3efc61beeecbe39727047d821 100644
--- a/content/browser/dom_storage/dom_storage_context_wrapper.cc
+++ b/content/browser/dom_storage/dom_storage_context_wrapper.cc
@@ -282,7 +282,7 @@ DOMStorageContextWrapper::DOMStorageContextWrapper(
     base::TaskTraits dom_storage_traits =
         base::TaskTraits()
             .WithShutdownBehavior(base::TaskShutdownBehavior::BLOCK_SHUTDOWN)
-            .WithFileIO()
+            .MayBlock()
             .WithPriority(base::TaskPriority::USER_BLOCKING);
     primary_sequence =
         base::CreateSequencedTaskRunnerWithTraits(dom_storage_traits);