Bug 1371457 - Update animation restyle tests. r=hiro

Update the various animation restyle tests to check the new animation only data
inside the restyle marker.

MozReview-Commit-ID: HEe8x45IhHj

--HG--
extra : rebase_source : fdaa5855e94d68ce2a70d00fde11582c9a538f45

dom/animation/test/chrome/test_restyles.html

@@ -46,9 +46,7 @@ function observeStyling(frameCount, onFrame) {
       var markers = docShell.popProfileTimelineMarkers();
       docShell.recordProfileTimelineMarkers = false;
       var stylingMarkers = markers.filter(function(marker, index) {
-        return marker.name == 'Styles' &&
-               (marker.restyleHint == 'eRestyle_CSSAnimations' ||
-                marker.restyleHint == 'eRestyle_CSSTransitions');
+        return marker.name == 'Styles' && marker.isAnimationOnly;
       });
       resolve(stylingMarkers);
     });

layout/style/test/test_restyles_in_smil_animation.html

@@ -46,7 +46,7 @@ function observeStyling(frameCount) {
       var markers = docShell.popProfileTimelineMarkers();
       docShell.recordProfileTimelineMarkers = false;
       var stylingMarkers = markers.filter(function(marker, index) {
-        return marker.restyleHint == "eRestyle_StyleAttribute_Animations";
+        return marker.name == 'Styles' && marker.isAnimationOnly;
       });
       resolve(stylingMarkers);
     });