Removing ServerWindowCompositorFrameSinkManager::ShouldDraw()

services/ui/ws/server_window_compositor_frame_sink_manager.cc

 // Copyright 2015 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/server_window_compositor_frame_sink_manager.h"
 
 #include "cc/ipc/display_compositor.mojom.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/ui/ws/ids.h"
 #include "services/ui/ws/server_window.h"
 #include "services/ui/ws/server_window_delegate.h"
 
 namespace ui {
 namespace ws {
 
 ServerWindowCompositorFrameSinkManager::ServerWindowCompositorFrameSinkManager(
     ServerWindow* window)
-    : window_(window),
-      waiting_for_initial_frames_(
-          window_->properties().count(ui::mojom::kWaitForUnderlay_Property) >
-          0) {}
+    : window_(window) {}
 
 ServerWindowCompositorFrameSinkManager::
     ~ServerWindowCompositorFrameSinkManager() {
 }
 
-bool ServerWindowCompositorFrameSinkManager::ShouldDraw() {
-  if (!waiting_for_initial_frames_)
-    return true;
-
-  waiting_for_initial_frames_ = !IsCompositorFrameSinkReadyAndNonEmpty(
-      mojom::CompositorFrameSinkType::DEFAULT);
-  return !waiting_for_initial_frames_;
-}
-
 void ServerWindowCompositorFrameSinkManager::CreateDisplayCompositorFrameSink(
     gfx::AcceleratedWidget widget,
     cc::mojom::MojoCompositorFrameSinkRequest request,
     cc::mojom::MojoCompositorFrameSinkClientPtr client,
     cc::mojom::DisplayPrivateRequest display_private_request) {
   CreateCompositorFrameSinkInternal(
       mojom::CompositorFrameSinkType::DEFAULT, widget, std::move(request),
       std::move(client), std::move(display_private_request));
 }
 
@@ skipping 151 matching lines @@
 
 CompositorFrameSinkData& CompositorFrameSinkData::operator=(
     CompositorFrameSinkData&& other) {
   latest_submitted_surface_info = other.latest_submitted_surface_info;
   compositor_frame_sink = std::move(other.compositor_frame_sink);
   return *this;
 }
 
 }  // namespace ws
 }  // namespace ui