test(): add apple-mobile-web-app-capable metatag

src/components/virtual-scroll/test/basic/index.ts

@@ -1,5 +1,5 @@
 import {Component, ViewChild, ElementRef} from '@angular/core';
-import {ionicBootstrap} from '../../../../../src';
+import {ionicBootstrap, Platform} from '../../../../../src';
 
 
 @Component({
@@ -7,18 +7,28 @@ import {ionicBootstrap} from '../../../../../src';
 })
 class E2EPage {
   items: any[] = [];
+  webview: string;
 
   @ViewChild('content') content: ElementRef;
 
-  constructor() {
+  constructor(platform: Platform) {
     for (var i = 0; i < 200; i++) {
       this.items.push({
         value: i,
         someMethod: function() {
-          return `!!`
+          return '!!';
         }
       });
     }
+
+    if (platform.is('ios')) {
+      if (window.indexedDB) {
+        this.webview = ': WKWebView';
+
+      } else {
+        this.webview = ': UIWebView';
+      }
+    }
   }
 
   headerFn(record: any, index: number, records: any[]) {

src/components/virtual-scroll/test/basic/main.html

@@ -1,5 +1,5 @@
 <ion-navbar *navbar>
-  <ion-title>Virtual Scroll</ion-title>
+  <ion-title>Virtual Scroll{{webview}}</ion-title>
   <ion-buttons end>
     <button (click)="reload()">
       Reload

src/components/virtual-scroll/virtual-scroll.ts

@@ -549,7 +549,7 @@ export class VirtualScroll implements DoCheck, AfterContentInit, OnDestroy {
 
         if (madeChanges) {
           // do not update images while scrolling
-          this._imgs.toArray().forEach(img => {
+          this._imgs.forEach(img => {
             img.enable(false);
           });