Bug 1427868 - Run skipped test cases for scrolled-out elements on Android. r=birtles

These tests can be passed now, I don't know what fixed them, presumably
bug 1421476 and bug 1379515 fixed it.

MozReview-Commit-ID: 2srFKTWWvK

--HG--
extra : rebase_source : 418d366ade78d5a9994cb9bbbab39c4c0b42a2a4

dom/animation/test/mozilla/file_restyles.html

@@ -363,13 +363,6 @@ waitForAllPaints(() => {
       return;
     }
 
-    /*
-     On Android the opacity animation runs on the compositor even if it is
-     scrolled out of view.  We will fix this in bug 1247800.
-     */
-    if (isAndroid) {
-      return;
-    }
     var parentElement = addDiv(null,
       { style: 'overflow-y: scroll; height: 20px;' });
     var div = addDiv(null,
@@ -502,14 +495,6 @@ waitForAllPaints(() => {
       return;
     }
 
-    /*
-     On Android throttled animations are left behind on the main thread in some
-     frames, We will fix this in bug 1247800.
-     */
-    if (isAndroid) {
-      return;
-    }
-
     var parentElement = addDiv(null,
       { style: 'overflow-y: scroll; height: 20px;' });
     var div = addDiv(null,
@@ -543,14 +528,6 @@ waitForAllPaints(() => {
       return;
     }
 
-    /*
-     On Android throttled animations are left behind on the main thread in some
-     frames, We will fix this in bug 1247800.
-     */
-    if (isAndroid) {
-      return;
-    }
-
     var grandParent = addDiv(null,
       { style: 'overflow-y: scroll; height: 20px;' });
     var parentElement = addDiv(null,
@@ -605,14 +582,6 @@ waitForAllPaints(() => {
       return;
     }
 
-    /*
-     On Android throttled animations are left behind on the main thread in some
-     frames, We will fix this in bug 1247800.
-     */
-    if (isAndroid) {
-      return;
-    }
-
     var parentElement = addDiv(null,
       { style: 'overflow-y: scroll; height: 200px;' });
     var div = addDiv(null,
@@ -1084,14 +1053,6 @@ waitForAllPaints(() => {
   });
 
   add_task(async function no_throttling_animations_in_view_svg() {
-    /*
-     On Android throttled animations are left behind on the main thread in some
-     frames, We will fix this in bug 1247800.
-     */
-    if (isAndroid) {
-      return;
-    }
-
     var div = addDiv(null, { style: 'overflow: scroll;' +
                                     'height: 100px; width: 100px;' });
     var svg = addSVGElement(div, 'svg', { viewBox: '-10 -10 0.1 0.1',
@@ -1119,14 +1080,6 @@ waitForAllPaints(() => {
       return;
     }
 
-    /*
-     On Android throttled animations are left behind on the main thread in some
-     frames, We will fix this in bug 1247800.
-     */
-    if (isAndroid) {
-      return;
-    }
-
     var div = addDiv(null, { style: 'overflow: scroll;' +
                                     'height: 100px; width: 100px;' });
     var svg = addSVGElement(div, 'svg', { viewBox: '-10 -10 0.1 0.1',
@@ -1148,14 +1101,6 @@ waitForAllPaints(() => {
   });
 
   add_task(async function no_throttling_animations_in_view_css_transform() {
-    /*
-     On Android throttled animations are left behind on the main thread in some
-     frames, We will fix this in bug 1247800.
-     */
-    if (isAndroid) {
-      return;
-    }
-
     var scrollDiv = addDiv(null, { style: 'overflow: scroll; ' +
                                           'height: 100px; width: 100px;' });
     var targetDiv = addDiv(null,
@@ -1180,14 +1125,6 @@ waitForAllPaints(() => {
       return;
     }
 
-    /*
-     On Android throttled animations are left behind on the main thread in some
-     frames, We will fix this in bug 1247800.
-     */
-    if (isAndroid) {
-      return;
-    }
-
     var scrollDiv = addDiv(null, { style: 'overflow: scroll;' +
                                           'height: 100px; width: 100px;' });
     var targetDiv = addDiv(null,