Replace MessageLoop::current()->task_runner() with ThreadTaskRunnerHandle::Get().

ui/ozone/platform/wayland/wayland_connection.cc

 // Copyright 2016 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 "ui/ozone/platform/wayland/wayland_connection.h"
 
 #include <xdg-shell-unstable-v5-client-protocol.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "ui/ozone/platform/wayland/wayland_object.h"
 #include "ui/ozone/platform/wayland/wayland_window.h"
 
 static_assert(XDG_SHELL_VERSION_CURRENT == 5, "Unsupported xdg-shell version");
 
 namespace ui {
 namespace {
 const uint32_t kMaxCompositorVersion = 4;
 const uint32_t kMaxSeatVersion = 4;
 const uint32_t kMaxShmVersion = 1;
@@ skipping 57 matching lines @@
           base::MessagePumpLibevent::WATCH_READ, &controller_, this))
     return false;
 
   watching_ = true;
   return true;
 }
 
 void WaylandConnection::ScheduleFlush() {
   if (scheduled_flush_ || !watching_)
     return;
-  base::MessageLoopForUI::current()->task_runner()->PostTask(
+  DCHECK(base::MessageLoopForUI::IsCurrent());
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&WaylandConnection::Flush, base::Unretained(this)));
   scheduled_flush_ = true;
 }
 
 WaylandWindow* WaylandConnection::GetWindow(gfx::AcceleratedWidget widget) {
   auto it = window_map_.find(widget);
   return it == window_map_.end() ? nullptr : it->second;
 }
 
 void WaylandConnection::AddWindow(gfx::AcceleratedWidget widget,
@@ skipping 130 matching lines @@
 void WaylandConnection::Name(void* data, wl_seat* seat, const char* name) {}
 
 // static
 void WaylandConnection::Ping(void* data, xdg_shell* shell, uint32_t serial) {
   WaylandConnection* connection = static_cast<WaylandConnection*>(data);
   xdg_shell_pong(shell, serial);
   connection->ScheduleFlush();
 }
 
 }  // namespace ui