Change the permission check for Pepper socket API to support both the public and private APIs.

chrome/browser/renderer_host/pepper/pepper_crx_file_system_message_filter.cc

Index: chrome/browser/renderer_host/pepper/pepper_crx_file_system_message_filter.cc
diff --git a/chrome/browser/renderer_host/pepper/pepper_crx_file_system_message_filter.cc b/chrome/browser/renderer_host/pepper/pepper_crx_file_system_message_filter.cc
index 96f02f6f98c53cf85b46f2734f7e301255839768..6853ee5a4ab14370723390d3eb4d53fa08d73900 100644
--- a/chrome/browser/renderer_host/pepper/pepper_crx_file_system_message_filter.cc
+++ b/chrome/browser/renderer_host/pepper/pepper_crx_file_system_message_filter.cc
@@ -120,10 +120,10 @@ int32_t PepperCrxFileSystemMessageFilter::OnOpenFileSystem(
     extension_set = extensions::ExtensionSystem::Get(profile)->
         extension_service()->extensions();
   }
-  if (!IsExtensionOrSharedModuleWhitelisted(document_url_,
-                                            extension_set,
-                                            allowed_crxfs_origins_,
-                                            switches::kAllowNaClCrxFsAPI)) {
+  if (!IsExtensionOrSharedModuleWhitelisted(
+          document_url_, extension_set, allowed_crxfs_origins_) &&
+      !IsHostAllowedByCommandLine(
+          document_url_, extension_set, switches::kAllowNaClCrxFsAPI)) {
     LOG(ERROR) << "Host " << document_url_.host() << " cannot use CrxFs API.";
     return PP_ERROR_NOACCESS;
   }