Aura overlay scrollbars adjust color for dark backgrounds

third_party/WebKit/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("//mojo/public/tools/bindings/mojom.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//tools/grit/grit_rule.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
@@ skipping 255 matching lines @@
     "platform/WebRTCVoidRequest.h",
     "platform/WebRect.h",
     "platform/WebReferrerPolicy.h",
     "platform/WebRenderingStats.h",
     "platform/WebScheduler.h",
     "platform/WebScreenInfo.h",
     "platform/WebScrollbar.h",
     "platform/WebScrollbarBehavior.h",
     "platform/WebScrollbarButtonsPlacement.h",
     "platform/WebScrollbarLayer.h",
+    "platform/WebScrollbarOverlayColorTheme.h",
     "platform/WebScrollbarThemeGeometry.h",
     "platform/WebScrollbarThemePainter.h",
     "platform/WebSecurityOrigin.h",
     "platform/WebSecurityStyle.h",
     "platform/WebSelectionBound.h",
     "platform/WebSetSinkIdCallbacks.h",
     "platform/WebSize.h",
     "platform/WebSourceBuffer.h",
     "platform/WebSourceBufferClient.h",
     "platform/WebSourceInfo.h",
@@ skipping 462 matching lines @@
 # relegated to a separate target to avoid duplication between the variants.
 source_set("shared_typemap_traits") {
   visibility = [ ":*" ]
   sources = [
     "web/WindowFeaturesStructTraits.cpp",
   ]
   deps = [
     ":new_wrapper_types_mojo_bindings_shared__generator",
   ]
 }