Remove calls to deprecated MessageLoop methods on Windows and Linux.

content/gpu/gpu_watchdog_thread.cc

Index: content/gpu/gpu_watchdog_thread.cc
diff --git a/content/gpu/gpu_watchdog_thread.cc b/content/gpu/gpu_watchdog_thread.cc
index cb2e8b7d171e52f2e274c1487b0ad1bcca930b4e..b3a9c75ddc96e0fc8f7bd6d1b605f45a1cb42cc3 100644
--- a/content/gpu/gpu_watchdog_thread.cc
+++ b/content/gpu/gpu_watchdog_thread.cc
@@ -241,11 +241,10 @@ void GpuWatchdogThread::DeliberatelyTerminateToRecoverFromHang() {
   base::ThreadTicks current_cpu_time = GetWatchedThreadTime();
   base::TimeDelta time_since_arm = current_cpu_time - arm_cpu_time_;
   if (use_thread_cpu_time_ && (time_since_arm < timeout_)) {
-    message_loop()->PostDelayedTask(
+    task_runner()->PostDelayedTask(
         FROM_HERE,
-        base::Bind(
-            &GpuWatchdogThread::DeliberatelyTerminateToRecoverFromHang,
-            weak_factory_.GetWeakPtr()),
+        base::Bind(&GpuWatchdogThread::DeliberatelyTerminateToRecoverFromHang,
+                   weak_factory_.GetWeakPtr()),
         timeout_ - time_since_arm);
     return;
   }