Remove WebScroll*

sky/engine/public/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//tools/grit/grit_rule.gni")
 
 group("blink") {
   deps = [
     ":sky_headers",
     "//sky/engine/web",
@@ skipping 75 matching lines @@
     "platform/WebMimeRegistry.h",
     "platform/WebNonCopyable.h",
     "platform/WebPoint.h",
     "platform/WebPrivateOwnPtr.h",
     "platform/WebPrivatePtr.h",
     "platform/WebRect.h",
     "platform/WebReferrerPolicy.h",
     "platform/WebRenderingStats.h",
     "platform/WebScreenInfo.h",
     "platform/WebScreenOrientationType.h",
-    "platform/WebScrollOffsetAnimationCurve.h",
-    "platform/WebScrollbar.h",
-    "platform/WebScrollbarBehavior.h",
-    "platform/WebScrollbarLayer.h",
-    "platform/WebScrollbarThemeGeometry.h",
-    "platform/WebScrollbarThemePainter.h",
     "platform/WebSelectionBound.h",
     "platform/WebSize.h",
     "platform/WebString.h",
     "platform/WebThemeEngine.h",
     "platform/WebThread.h",
     "platform/WebTransformAnimationCurve.h",
     "platform/WebTransformKeyframe.h",
     "platform/WebTransformOperations.h",
     "platform/WebURL.h",
     "platform/WebURLError.h",
@@ skipping 64 matching lines @@
     "web/WebURLLoaderOptions.h",
     "web/WebUserGestureIndicator.h",
     "web/WebUserGestureToken.h",
     "web/WebView.h",
     "web/WebViewClient.h",
     "web/WebWidget.h",
     "web/WebWidgetClient.h",
     "web/linux/WebFontRendering.h",
   ]
 }