Remove --allow-request-os-file-handle option

content/renderer/pepper/pepper_file_io_host.cc

Index: content/renderer/pepper/pepper_file_io_host.cc
diff --git a/content/renderer/pepper/pepper_file_io_host.cc b/content/renderer/pepper/pepper_file_io_host.cc
index 7f91cc01bdb65f3bab9618f237832b29a19eab51..108bdcd45af500ab7756875d274302c928ee10c4 100644
--- a/content/renderer/pepper/pepper_file_io_host.cc
+++ b/content/renderer/pepper/pepper_file_io_host.cc
@@ -426,11 +426,7 @@ int32_t PepperFileIOHost::OnHostMsgWillSetLength(
 int32_t PepperFileIOHost::OnHostMsgRequestOSFileHandle(
     ppapi::host::HostMessageContext* context) {
   if (!is_running_in_process_ &&
-      quota_policy_ != quota::kQuotaLimitTypeUnlimited &&
-      // TODO(hamaji): Remove the whitelist once it turned out the
-      // quota check is sufficient. http://crbug.com/226386
-      !GetContentClient()->renderer()->IsRequestOSFileHandleAllowedForURL(
-          file_system_url_))
+      quota_policy_ != quota::kQuotaLimitTypeUnlimited)
     return PP_ERROR_FAILED;
 
   RendererPpapiHost* renderer_ppapi_host =