Simplifying loading file JS and CSS files from external source.

chrome/browser/resources/file_manager/js/metadata_provider.js

Index: chrome/browser/resources/file_manager/js/metadata_provider.js
diff --git a/chrome/browser/resources/file_manager/js/metadata_provider.js b/chrome/browser/resources/file_manager/js/metadata_provider.js
index 4ebae628576637b3aa7d3d67b82c9cd81e8b33c5..ecddd767a7a60aec2c05cd13d95836806f8c3fd2 100644
--- a/chrome/browser/resources/file_manager/js/metadata_provider.js
+++ b/chrome/browser/resources/file_manager/js/metadata_provider.js
@@ -11,7 +11,8 @@ function MetadataProvider(opt_workerPath) {
   // Pass all URLs to the metadata reader until we have a correct filter.
   this.urlFilter = /.*/;
 
-  this.dispatcher_ = new Worker(opt_workerPath || 'js/metadata_dispatcher.js');
+  this.dispatcher_ = new Worker(opt_workerPath ||
+      document.location.origin + '/js/metadata_dispatcher.js');
   this.dispatcher_.onmessage = this.onMessage_.bind(this);
   this.dispatcher_.postMessage({verb: 'init'});
   // Initialization is not complete until the Worker sends back the
@@ -105,4 +106,4 @@ MetadataProvider.prototype.onError_ = function(url, step, error, metadata) {
 
 MetadataProvider.prototype.onLog_ = function(arglist) {
   console.log.apply(console, ['metadata:'].concat(arglist));
-};
+};