fix(tabs): use standard wheel event instead of non-standard mousewheel (#11686)

handle horizontal scrolling as well
  - there are other scroll devices besides mouse wheels
fix minor Closure type issue with animateScrollTo()

Fixes #11654

Author: Splaktar

src/components/tabs/js/tabScroll.js

@@ -7,7 +7,7 @@ function MdTabScroll ($parse) {
     compile: function ($element, attr) {
       var fn = $parse(attr.mdTabScroll, null, true);
       return function ngEventHandler (scope, element) {
-        element.on('mousewheel', function (event) {
+        element.on('wheel', function (event) {
           scope.$apply(function () { fn(scope, { $event: event }); });
         });
       };

src/components/tabs/js/tabsController.js

@@ -348,12 +348,16 @@ function MdTabsController ($scope, $element, $window, $mdConstant, $mdTabInkRipp
 
   /**
    * When pagination is on, this makes sure the selected index is in view.
-   * @param event
+   * @param {WheelEvent} event
    */
   function scroll (event) {
     if (!ctrl.shouldPaginate) return;
     event.preventDefault();
-    ctrl.offsetLeft = fixOffset(ctrl.offsetLeft - event.wheelDelta);
+    if (event.deltaY) {
+      ctrl.offsetLeft = fixOffset(ctrl.offsetLeft + event.deltaY);
+    } else if (event.deltaX) {
+      ctrl.offsetLeft = fixOffset(ctrl.offsetLeft + event.deltaX);
+    }
   }
 
   /**
@@ -907,8 +911,8 @@ function MdTabsController ($scope, $element, $window, $mdConstant, $mdTabInkRipp
 
   /**
    * Takes an offset value and makes sure that it is within the min/max allowed values.
-   * @param value
-   * @returns {*}
+   * @param {number} value
+   * @returns {number}
    */
   function fixOffset (value) {
     var elements = getElements();

src/core/util/util.js

@@ -810,7 +810,7 @@ function UtilFactory($document, $timeout, $compile, $rootScope, $$mdAnimate, $in
     /**
      * Animate the requested element's scrollTop to the requested scrollPosition with basic easing.
      *
-     * @param {!HTMLElement} element The element to scroll.
+     * @param {!Element} element The element to scroll.
      * @param {number} scrollEnd The new/final scroll position.
      * @param {number=} duration Duration of the scroll. Default is 1000ms.
      */