Mac: Clean up plumbing of accelerated widgets

gpu/ipc/client/command_buffer_proxy_impl.cc

 // Copyright (c) 2012 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 "gpu/ipc/client/command_buffer_proxy_impl.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 748 matching lines @@
 
 gpu::CommandBufferSharedState* CommandBufferProxyImpl::shared_state() const {
   return reinterpret_cast<gpu::CommandBufferSharedState*>(
       shared_state_shm_->memory());
 }
 
 void CommandBufferProxyImpl::OnSwapBuffersCompleted(
     const GpuCommandBufferMsg_SwapBuffersCompleted_Params& params) {
 #if defined(OS_MACOSX)
   gpu::GpuProcessHostedCALayerTreeParamsMac params_mac;
-  params_mac.surface_handle = params.surface_handle;
   params_mac.ca_context_id = params.ca_context_id;
   params_mac.fullscreen_low_power_ca_context_valid =
       params.fullscreen_low_power_ca_context_valid;
   params_mac.fullscreen_low_power_ca_context_id =
       params.fullscreen_low_power_ca_context_id;
   params_mac.io_surface.reset(IOSurfaceLookupFromMachPort(params.io_surface));
   params_mac.pixel_size = params.pixel_size;
   params_mac.scale_factor = params.scale_factor;
   params_mac.responses = std::move(params.in_use_responses);
   gpu::GpuProcessHostedCALayerTreeParamsMac* mac_frame_ptr = &params_mac;
@@ skipping 87 matching lines @@
     return;
   channel_->FlushPendingStream(stream_id_);
   channel_->Send(new GpuChannelMsg_DestroyCommandBuffer(route_id_));
   channel_->RemoveRoute(route_id_);
   channel_ = nullptr;
   if (gpu_control_client_)
     gpu_control_client_->OnGpuControlLostContext();
 }
 
 }  // namespace gpu