[mus]Add FrameGenerator::SetHighContrastMode(bool)

services/ui/ws/platform_display_default.cc

 // Copyright 2016 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.
 
 #include "services/ui/ws/platform_display_default.h"
 
 #include "base/memory/ptr_util.h"
 #include "gpu/ipc/client/gpu_channel_host.h"
 #include "services/ui/display/screen_manager.h"
 #include "services/ui/ws/display_client_compositor_frame_sink.h"
@@ skipping 239 matching lines @@
       widget_, mojo::MakeRequest(&compositor_frame_sink),
       std::move(compositor_frame_sink_client),
       mojo::MakeRequest(&display_private));
 
   auto display_client_compositor_frame_sink =
       base::MakeUnique<DisplayClientCompositorFrameSink>(
           root_window_->frame_sink_id(), std::move(compositor_frame_sink),
           std::move(display_private),
           std::move(compositor_frame_sink_client_request));
   frame_generator_ = base::MakeUnique<FrameGenerator>(
-      this, root_window_, std::move(display_client_compositor_frame_sink));
+      root_window_, std::move(display_client_compositor_frame_sink));
   frame_generator_->SetDeviceScaleFactor(init_device_scale_factor_);
 }
 
 void PlatformDisplayDefault::OnAcceleratedWidgetDestroyed() {
   NOTREACHED();
 }
 
 void PlatformDisplayDefault::OnActivationChanged(bool active) {}
 
-bool PlatformDisplayDefault::IsInHighContrastMode() {
-  return delegate_ ? delegate_->IsInHighContrastMode() : false;
-}
-
 }  // namespace ws
 }  // namespace ui