Ping watchdog thread during GpuChannel destruction

gpu/ipc/service/gpu_watchdog_thread.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/service/gpu_watchdog_thread.h"
 
 #include <errno.h>
 #include <stdint.h>
 
 #include "base/bind.h"
@@ skipping 92 matching lines @@
 
 void GpuWatchdogThread::CheckArmed() {
   // If the watchdog is |awaiting_acknowledge_|, reset this variable to false
   // and post an acknowledge task now. No barrier is needed as
   // |awaiting_acknowledge_| is only ever read from this thread.
   if (base::subtle::NoBarrier_CompareAndSwap(&awaiting_acknowledge_, true,
                                              false))
     PostAcknowledge();
 }
 
+void GpuWatchdogThread::ReportProgress() {
+  CheckArmed();
+}
+
 void GpuWatchdogThread::Init() {
   // Schedule the first check.
   OnCheck(false);
 }
 
 void GpuWatchdogThread::CleanUp() {
   weak_factory_.InvalidateWeakPtrs();
 }
 
 GpuWatchdogThread::GpuWatchdogTaskObserver::GpuWatchdogTaskObserver(
@@ skipping 358 matching lines @@
     int tty_number;
     size_t num_res = sscanf(tty_string, "tty%d\n", &tty_number);
     if (num_res == 1)
       return tty_number;
   }
   return -1;
 }
 #endif
 
 }  // namespace gpu