Support both SharedWorkerContext and SharedWorkerGlobalScope to detect shared worker context

chrome/browser/resources/file_manager/js/metadata/metadata_dispatcher.js

Index: chrome/browser/resources/file_manager/js/metadata/metadata_dispatcher.js
diff --git a/chrome/browser/resources/file_manager/js/metadata/metadata_dispatcher.js b/chrome/browser/resources/file_manager/js/metadata/metadata_dispatcher.js
index ffa9a39f4ee31c5b24a29b9324396f29d363177c..a6f2d957da637893592be58703ce27b916506b1a 100644
--- a/chrome/browser/resources/file_manager/js/metadata/metadata_dispatcher.js
+++ b/chrome/browser/resources/file_manager/js/metadata/metadata_dispatcher.js
@@ -214,7 +214,10 @@ MetadataDispatcher.prototype.processOneFile = function(fileURL, callback) {
 // the 'this' keyword in lambdas.
 var global = self;
 
-if (global.constructor.name == 'SharedWorkerContext') {
+// TODO(cdumez): Remove support for SharedWorkerContext name after Blink is
+// rolled.
+if (global.constructor.name == 'SharedWorkerContext' ||
+    global.constructor.name == 'SharedWorkerGlobalScope') {
   global.addEventListener('connect', function(e) {
     var port = e.ports[0];
     new MetadataDispatcher(port);