Remove WebCompositorSupport

sky/engine/public/BUILD.gn

Index: sky/engine/public/BUILD.gn
diff --git a/sky/engine/public/BUILD.gn b/sky/engine/public/BUILD.gn
index 53ca0ff241a59afb15aa7f1c6c5c00e3a82ab13c..ca4843a086eb15e733cd57058b05aed50af0baf6 100644
--- a/sky/engine/public/BUILD.gn
+++ b/sky/engine/public/BUILD.gn
@@ -22,12 +22,6 @@ source_set("platform_headers") {
     "platform/WebClipboard.h",
     "platform/WebColor.h",
     "platform/WebCommon.h",
-    "platform/WebCompositeAndReadbackAsyncCallback.h",
-    "platform/WebCompositorAnimation.h",
-    "platform/WebCompositorAnimationCurve.h",
-    "platform/WebCompositorAnimationDelegate.h",
-    "platform/WebCompositorOutputSurface.h",
-    "platform/WebCompositorSupport.h",
     "platform/WebContentLayer.h",
     "platform/WebContentLayerClient.h",
     "platform/WebConvertableToTraceFormat.h",
@@ -39,12 +33,6 @@ source_set("platform_headers") {
     "platform/WebExternalTextureLayerClient.h",
     "platform/WebExternalTextureMailbox.h",
     "platform/WebFallbackThemeEngine.h",
-    "platform/WebFilterAnimationCurve.h",
-    "platform/WebFilterKeyframe.h",
-    "platform/WebFilterOperations.h",
-    "platform/WebFlingAnimator.h",
-    "platform/WebFloatAnimationCurve.h",
-    "platform/WebFloatKeyframe.h",
     "platform/WebFloatPoint.h",
     "platform/WebFloatPoint3D.h",
     "platform/WebFloatRect.h",
@@ -75,9 +63,6 @@ source_set("platform_headers") {
     "platform/WebSize.h",
     "platform/WebString.h",
     "platform/WebThread.h",
-    "platform/WebTransformAnimationCurve.h",
-    "platform/WebTransformKeyframe.h",
-    "platform/WebTransformOperations.h",
     "platform/WebURL.h",
     "platform/WebURLError.h",
     "platform/WebURLLoadTiming.h",