Fix Mac resize, delete more Mac code

gpu/ipc/client/gpu_channel_host.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/gpu_channel_host.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/atomic_sequence_num.h"
@@ skipping 179 matching lines @@
 }
 
 std::unique_ptr<CommandBufferProxyImpl> GpuChannelHost::CreateCommandBuffer(
     gpu::SurfaceHandle surface_handle,
     const gfx::Size& size,
     CommandBufferProxyImpl* share_group,
     int32_t stream_id,
     gpu::GpuStreamPriority stream_priority,
     const std::vector<int32_t>& attribs,
     const GURL& active_url,
-    gfx::GpuPreference gpu_preference) {
+    gfx::GpuPreference gpu_preference,
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
   DCHECK(!share_group || (stream_id == share_group->stream_id()));
   TRACE_EVENT1("gpu", "GpuChannelHost::CreateViewCommandBuffer",
                "surface_handle", surface_handle);
 
   GPUCreateCommandBufferConfig init_params;
   init_params.share_group_id =
       share_group ? share_group->route_id() : MSG_ROUTING_NONE;
   init_params.stream_id = stream_id;
   init_params.stream_priority = stream_priority;
   init_params.attribs = attribs;
@@ skipping 19 matching lines @@
     return nullptr;
   }
 
   if (!succeeded) {
     LOG(ERROR) << "GpuChannelMsg_CreateCommandBuffer returned failure.";
     return nullptr;
   }
 
   std::unique_ptr<CommandBufferProxyImpl> command_buffer =
       base::WrapUnique(new CommandBufferProxyImpl(this, route_id, stream_id));
-  AddRoute(route_id, command_buffer->AsWeakPtr());
+  AddRouteWithTaskRunner(route_id, command_buffer->AsWeakPtr(), task_runner);

[piman, 2016/05/11 17:06:14]

nit: std::move(task_runner)

   if (!command_buffer->Initialize())
     return nullptr;
 
   return command_buffer;
 }
 
 void GpuChannelHost::DestroyCommandBuffer(
     CommandBufferProxyImpl* command_buffer) {
   TRACE_EVENT0("gpu", "GpuChannelHost::DestroyCommandBuffer");
 
@@ skipping 221 matching lines @@
 
   listeners_.clear();
 }
 
 bool GpuChannelHost::MessageFilter::IsLost() const {
   AutoLock lock(lock_);
   return lost_;
 }
 
 }  // namespace gpu