WIP: Propagate SurfaceID up window tree hierarchy

services/ui/ws/platform_display.cc

 // 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.
 
 #include "services/ui/ws/platform_display.h"
 
 #include "base/numerics/safe_conversions.h"
 #include "build/build_config.h"
 #include "cc/ipc/quads.mojom.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/delegated_frame_data.h"
 #include "gpu/ipc/client/gpu_channel_host.h"
 #include "services/shell/public/cpp/connection.h"
 #include "services/shell/public/cpp/connector.h"
 #include "services/ui/display/platform_screen.h"
+#include "services/ui/surfaces/compositor_frame_sink.h"
 #include "services/ui/surfaces/display_compositor.h"
-#include "services/ui/surfaces/surfaces_state.h"
 #include "services/ui/ws/platform_display_factory.h"
 #include "services/ui/ws/platform_display_init_params.h"
 #include "services/ui/ws/server_window.h"
 #include "services/ui/ws/window_coordinate_conversions.h"
 #include "third_party/skia/include/core/SkXfermode.h"
 #include "ui/base/cursor/cursor_loader.h"
 #include "ui/display/display.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/platform_window/platform_ime_controller.h"
@@ skipping 24 matching lines @@
 
   return new DefaultPlatformDisplay(init_params);
 }
 
 DefaultPlatformDisplay::DefaultPlatformDisplay(
     const PlatformDisplayInitParams& init_params)
     : id_(init_params.display_id),
 #if !defined(OS_ANDROID)
       cursor_loader_(ui::CursorLoader::Create()),
 #endif
-      frame_generator_(new FrameGenerator(this, init_params.surfaces_state)) {
+      frame_generator_(
+          new FrameGenerator(this, init_params.display_compositor)) {
   metrics_.bounds = init_params.display_bounds;
 }
 
 void DefaultPlatformDisplay::Init(PlatformDisplayDelegate* delegate) {
   delegate_ = delegate;
 
 #if defined(OS_WIN)
   platform_window_.reset(new ui::WinWindow(this, metrics_.bounds));
 #elif defined(USE_X11)
   platform_window_.reset(new ui::X11Window(this));
@@ skipping 205 matching lines @@
   NOTREACHED();
 }
 
 void DefaultPlatformDisplay::OnActivationChanged(bool active) {}
 
 void DefaultPlatformDisplay::RequestCopyOfOutput(
     std::unique_ptr<cc::CopyOutputRequest> output_request) {
   frame_generator_->RequestCopyOfOutput(std::move(output_request));
 }
 
+ServerWindow* DefaultPlatformDisplay::GetActiveRootWindow() {
+  return delegate_->GetActiveRootWindow();
+}
+
 ServerWindow* DefaultPlatformDisplay::GetRootWindow() {
   return delegate_->GetRootWindow();
 }
 
 void DefaultPlatformDisplay::OnCompositorFrameDrawn() {
   if (delegate_)
     delegate_->OnCompositorFrameDrawn();
 }
 
 bool DefaultPlatformDisplay::IsInHighContrastMode() {
   return delegate_ ? delegate_->IsInHighContrastMode() : false;
 }
 
 const ViewportMetrics& DefaultPlatformDisplay::GetViewportMetrics() {
   return metrics_;
 }
 
 }  // namespace ws
 
 }  // namespace ui