Using location.origin as the localStorage key

Author: Ke, Mingze

storage.js

@@ -43,7 +43,7 @@ BlocklyStorage.backupBlocks_ = function (workspace) {
   if ('localStorage' in window) {
     var xml = Blockly.Xml.workspaceToDom(workspace);
     // Gets the current URL, not including the hash.
-    var url = window.location.href.split('#')[0];
+    var url = window.location.origin;
     window.localStorage.setItem(url, Blockly.Xml.domToText(xml));
   }
 };
@@ -67,7 +67,7 @@ BlocklyStorage.backupOnUnload = function (opt_workspace) {
  * @param {Blockly.WorkspaceSvg} opt_workspace Workspace.
  */
 BlocklyStorage.restoreBlocks = function (opt_workspace) {
-  var url = window.location.href.split('#')[0];
+  var url = window.location.origin;
   if ('localStorage' in window && window.localStorage[url]) {
     var workspace = opt_workspace || Blockly.getMainWorkspace();
     var xml = Blockly.Xml.textToDom(window.localStorage[url]);