Web Animations: Allow animations with delay to start on compositor

LayoutTests/animations/interpolation/transform-interpolation.html

Index: LayoutTests/animations/interpolation/transform-interpolation.html
diff --git a/LayoutTests/animations/interpolation/transform-interpolation.html b/LayoutTests/animations/interpolation/transform-interpolation.html
index 9f65752f33846fdec6941f5f556c63c78a5416d2..c2f21fea01621d3d975cfe9a13ff2a3e27a0d867 100644
--- a/LayoutTests/animations/interpolation/transform-interpolation.html
+++ b/LayoutTests/animations/interpolation/transform-interpolation.html
@@ -135,7 +135,7 @@ assertInterpolation({
   to: 'rotate(90deg)'
 }, [
   {at: -1, is: 'rotate(-90deg)'},
-  {at: 0, is: 'none'},
+  {at: 0, is: 'rotate(0deg)'},
   {at: 0.25, is: 'rotate(22.5deg)'},
   {at: 0.75, is: 'rotate(67.5deg)'},
   {at: 1, is: 'rotate(90deg)'},
@@ -150,7 +150,7 @@ assertInterpolation({
   {at: 0, is: 'rotate(90deg)'},
   {at: 0.25, is: 'rotate(67.5deg)'},
   {at: 0.75, is: 'rotate(22.5deg)'},
-  {at: 1, is: 'none'},
+  {at: 1, is: 'rotate(0deg)'},
   {at: 2, is: 'rotate(-90deg)'},
 ]);
 assertInterpolation({
@@ -233,7 +233,7 @@ assertInterpolation({
   to: 'scale3d(2, 3, 5)'
 }, [
   {at: -1, is: 'scale3d(0, -1, -3)'},
-  {at: 0, is: 'none'},
+  {at: 0, is: 'scale3d(1, 1, 1)'},
   {at: 0.25, is: 'scale3d(1.25, 1.5, 2)'},
   {at: 0.75, is: 'scale3d(1.75, 2.5, 4)'},
   {at: 1, is: 'scale3d(2, 3, 5)'},
@@ -248,7 +248,7 @@ assertInterpolation({
   {at: 0, is: 'scale3d(2, 3, 5)'},
   {at: 0.25, is: 'scale3d(1.75, 2.5, 4)'},
   {at: 0.75, is: 'scale3d(1.25, 1.5, 2)'},
-  {at: 1, is: 'none'},
+  {at: 1, is: 'scale3d(1, 1, 1)'},
   {at: 2, is: 'scale3d(0, -1, -3)'},
 ]);
 assertInterpolation({
@@ -515,7 +515,7 @@ assertInterpolation({
   to: 'matrix3d(1.0806046117362795, 0, -1.682941969615793, 0, 0, 3, 0, 0, 3.365883939231586, 0, 2.161209223472559, 0, 0, 0, 0, 1)'
 }, [
   {at: -1, is: 'matrix3d(0, 0, 0, 0, 0, -1, 0, 0, 1.682941969615793, 0, -1.0806046117362795, 0, 0, 0, 0, 1)'},
-  {at: 0, is: 'none'},
+  {at: 0, is: 'matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1)'},
   {at: 0.25, is: 'matrix3d(1.211140527138306, 0, -0.30925494906815365, 0, 0, 1.5, 0, 0, 0.43295692869541513, 0, 1.6955967379936283, 0, 0, 0, 0, 1)'},
   {at: 0.75, is: 'matrix3d(1.2804555205291865, 0, -1.1928678300408346, 0, 0, 2.5, 0, 0, 2.215325970075836, 0, 2.377988823839918, 0, 0, 0, 0, 1)'},
   {at: 1, is: 'matrix3d(1.0806046117362795, 0, -1.682941969615793, 0, 0, 3, 0, 0, 3.365883939231586, 0, 2.161209223472559, 0, 0, 0, 0, 1)'},
@@ -530,7 +530,7 @@ assertInterpolation({
   {at: 0, is: 'matrix3d(1.0806046117362795, 0, -1.682941969615793, 0, 0, 3, 0, 0, 3.365883939231586, 0, 2.161209223472559, 0, 0, 0, 0, 1)'},
   {at: 0.25, is: 'matrix3d(1.2804555205291865, 0, -1.1928678300408346, 0, 0, 2.5, 0, 0, 2.215325970075836, 0, 2.377988823839918, 0, 0, 0, 0, 1)'},
   {at: 0.75, is: 'matrix3d(1.211140527138306, 0, -0.30925494906815365, 0, 0, 1.5, 0, 0, 0.43295692869541513, 0, 1.6955967379936283, 0, 0, 0, 0, 1)'},
-  {at: 1, is: 'none'},
+  {at: 1, is: 'matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1)'},
   {at: 2, is: 'matrix3d(0, 0, 0, 0, 0, -1, 0, 0, 1.682941969615793, 0, -1.0806046117362795, 0, 0, 0, 0, 1)'},
 ]);
 assertInterpolation({
@@ -551,7 +551,7 @@ assertInterpolation({
   to: 'matrix3d(0, 0.6875, -0.625, 0.3125, -0.6666666666666665, -1, 0.8333333333333334, 0.125, -0.6666666666666665, 0, 0.5, 1.0625, -1.1875, -0.0625, 1.3125, 1)'
 }, [
   {at: -1, is: 'matrix3d(-0.0000000000000002377810622383943, -1.0671050586638147, -0.08972656766237302, 1.3740432449326199, 0.98484601036295, -2.653201092395309, 0.6753819540610847, 3.6127240080250744, -2.7988839807429846, -1.2090004194153336, -0.5183744226115445, -0.7936088631686278, 1.1875, 0.0625, -1.3125, 5.340768914473683)'},
-  {at: 0, is: 'none'},
+  {at: 0, is: 'matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1)'},
   {at: 0.25, is: 'matrix3d(0.9041890962319094, 0.3522701519297133, -0.15240204298176957, -0.1428256720529315, -0.7579798772527586, 0.6803606288839232, -0.05133336076757235, 0.37904689530895724, -0.1957679784745485, 0.38554138029509327, 0.8226186974340638, 0.3370288143441876, -0.296875, -0.015625, 0.328125, 0.5930529142680923)'},
   {at: 0.75, is: 'matrix3d(0.35007413226026135, 0.7254385504141292, -0.4977009150941454, 0.09582061929004702, -1.1027525038949482, -0.5884810398827429, 0.4516829688651701, 0.5447944343861767, -0.68717798815684, 0.2657772247405681, 0.5465690479810023, 1.0836207863885503, -0.890625, -0.046875, 0.984375, 0.5930529142680927)'},
   {at: 1, is: 'matrix3d(0, 0.6875, -0.625, 0.3125, -0.6666666666666665, -1, 0.8333333333333334, 0.125, -0.6666666666666665, 0, 0.5, 1.0625, -1.1875, -0.0625, 1.3125, 1)'},
@@ -578,7 +578,7 @@ assertInterpolation({
   {at: 0, is: 'matrix3d(0.571428571428571, -0.625, -0.8333333333333346, -0.66666666666669, 0.5, -0.1875, -0.8125, 0.3125, 0.34375, -1, 0.8333333333333327, 1.34375, -1.34375, 1, -0.9375, 1)'},
   {at: 0.25, is: 'matrix3d(0.7912976716694541, -0.4517927901159618, -0.6868745974719376, 1.2522201536338506, 0.7952183069582651, 0.06340410955800829, -0.7956629784232128, 2.2561737435012983, 0.345639443327071, -0.8934490945546473, 0.830131443385676, 1.2606901484983566, -1.0078125, 0.75, -0.703125, 2.4888661932358946)'},
   {at: 0.75, is: 'matrix3d(1.0093457700315165, -0.12746048375025829, -0.24746788943106088, 1.3202120308857304, 0.6128364656690982, 0.7600694601651116, -0.22233359857303325, 1.4081483224940277, 0.21669805381113447, -0.3786082265932788, 0.908354523914928, 0.6747509193960347, -0.3359375, 0.25, -0.234375, 2.4888661932358964)'},
-  {at: 1, is: 'none'},
+  {at: 1, is: 'matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1)'},
   {at: 2, is: 'matrix3d(0.39048513570444376, 0.14780794797065988, 0.6963068100217401, -4.857907861239344, -2.967682789284791, 0.6004978769584385, -3.5472376016872444, 26.675324787979896, -2.5953724498995308, 1.6280843851961373, 0.8163834310586356, 9.001735256585825, 1.34375, -1, 0.9375, -14.881239394516227)'},
 ]);