Cleanup ServerWindowCompositorFrameSinkManager and FrameGenerator

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"
@@ skipping 91 matching lines @@
       mojo::MakeRequest(&frame_sink_data_->compositor_frame_sink);
   frame_sink_data_->compositor_frame_sink->AddChildFrameSink(frame_sink_id);
 }
 
 void ServerWindowCompositorFrameSinkManager::RemoveChildFrameSinkId(
     const cc::FrameSinkId& frame_sink_id) {
   DCHECK(frame_sink_data_);
   frame_sink_data_->compositor_frame_sink->RemoveChildFrameSink(frame_sink_id);
 }
 
-bool ServerWindowCompositorFrameSinkManager::HasCompositorFrameSink() const {
-  return !!frame_sink_data_;
-}
-
 gfx::Size ServerWindowCompositorFrameSinkManager::GetLatestFrameSize() const {
   if (!frame_sink_data_)
     return gfx::Size();
 
   return frame_sink_data_->latest_submitted_surface_info.size_in_pixels();
 }
 
-cc::SurfaceId ServerWindowCompositorFrameSinkManager::GetLatestSurfaceId()
-    const {
-  if (!frame_sink_data_)
-    return cc::SurfaceId();
-
-  return frame_sink_data_->latest_submitted_surface_info.id();
-}
-
 void ServerWindowCompositorFrameSinkManager::SetLatestSurfaceInfo(
     const cc::SurfaceInfo& surface_info) {
   if (!frame_sink_data_)
     frame_sink_data_ = base::MakeUnique<CompositorFrameSinkData>();
 
   frame_sink_data_->latest_submitted_surface_info = surface_info;
 }
 
 void ServerWindowCompositorFrameSinkManager::OnRootChanged(
     ServerWindow* old_root,
@@ skipping 22 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