Implement new RPDQ copy logic for CALayer promotion.

content/test/data/gpu/filter_effects.html

Index: content/test/data/gpu/filter_effects.html
diff --git a/content/test/data/gpu/filter_effects.html b/content/test/data/gpu/filter_effects.html
index 9205bc09cd07e973314aebf697c81a4ee85578b2..8ae1559af2622eb8b091ed90c254edd07beefa51 100644
--- a/content/test/data/gpu/filter_effects.html
+++ b/content/test/data/gpu/filter_effects.html
@@ -67,6 +67,18 @@ body {
   from {-webkit-filter: opacity(70%)}
   to {-webkit-filter: opacity(70%)}
 }
+@-webkit-keyframes drop-shadow-invert-anim {
+  from {-webkit-filter: drop-shadow(8px 8px 10px blue) invert(70%)}
+  to {-webkit-filter: drop-shadow(8px 8px 10px blue) invert(70%)}
+}
+@-webkit-keyframes hue-rotate-invert-anim {
+  from {-webkit-filter: hue-rotate(50deg) invert(70%)}
+  to {-webkit-filter: hue-rotate(50deg) invert(70%)}
+}
+@-webkit-keyframes opacity-anim {
+  from {-webkit-filter: opacity(70%)}
+  to {-webkit-filter: opacity(70%)}
+}
 .gradient {
   float: left;
   height: 50px;
@@ -87,6 +99,8 @@ body {
   <canvas class="gradient" style="-webkit-animation: invert-anim 150000s;"></canvas>
   <canvas class="gradient" style="-webkit-animation: saturate-anim 150000s;"></canvas>
   <canvas class="gradient" style="-webkit-animation: opacity-anim 150000s;"></canvas>
+  <canvas class="gradient" style="-webkit-animation: drop-shadow-invert-anim 150000s;"></canvas>
+  <canvas class="gradient" style="-webkit-animation: hue-rotate-invert-anim 150000s;"></canvas>
   <canvas class="gradient" style="-webkit-animation: opacity-anim 150000s; transform: scale(1.3, 0.8)"></canvas>
 </div>
 </body>
@@ -98,7 +112,7 @@ for (i = 0; i < elements.length; i++) {
   var canvas = elements[i];
   var ctx = canvas.getContext("2d");
 
-  var grd=ctx.createLinearGradient(0,0,canvas.width,0);
+  var grd=ctx.createLinearGradient(0,0,canvas.width,canvas.height);
   grd.addColorStop(0,"yellow");
   grd.addColorStop(0.5,"blue");
   grd.addColorStop(0.75,"red");