Revert "fix #926 - blur not triggered in multiselect for IE"

This reverts commit 5fe8638.

src/aria/popups/Popup.js

@@ -847,10 +847,8 @@ Aria.classDefinition({
                     domEvent : domEvent
                 };
                 this.$raiseEvent(event);
-                if (!event.cancelClose) {
-                    this.close(domEvent);
-                    return true;
-                }
+                this.close(domEvent);
+                return true;
             }
         },
 

src/aria/widgets/form/DropDownTrait.js

@@ -49,7 +49,6 @@ Aria.classDefinition({
             var onDescription = {
                 "onAfterOpen" : this._afterDropdownOpen,
                 "onAfterClose" : this._afterDropdownClose,
-                "onMouseClickClose" : this._dropDownMouseClickClose,
                 scope : this
             };
 
@@ -144,36 +143,10 @@ Aria.classDefinition({
             this._dropdownPopup.$dispose();
             this._dropdownPopup = null;
             aria.templates.Layout.$unregisterListeners(this);
-            if (!aria.core.Browser.isIE) {
-                this.focus(null, true);
-            }
+            this.focus(null, true);
             this._keepFocus = false;
         },
 
-        /**
-         * Callback for the event onMouseClickClose raised by the popup. <br>
-         * fix for PTR07002335: method used to fix IE bug (a click in a text input does not trigger the blur event on
-         * the previously selected multiselect input, so that the activeElement does not change properly)
-         * @protected
-         */
-        _dropDownMouseClickClose : function (evt) {
-            if (aria.core.Browser.isIE) {
-                evt.cancelClose = true;
-                var self = this;
-                setTimeout(function () {
-                    var activeElement = Aria.$window.document.activeElement;
-                    self.focus(null, true);
-                    self._keepFocus = false;
-                    setTimeout(function () {
-                        if (activeElement) {
-                            activeElement.focus();
-                        }
-                        self._dropdownPopup.close();
-                    }, 1);
-                }, 1);
-            }
-        },
-
         /**
          * Internal method called when the popup must be closed
          * @protected