MessageLoop's RUN method will pass a const ref to PendingTask when

content/gpu/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.
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "content/gpu/gpu_watchdog_thread.h"
 
@@ skipping 69 matching lines @@
 
 GpuWatchdogThread::GpuWatchdogTaskObserver::GpuWatchdogTaskObserver(
     GpuWatchdogThread* watchdog)
     : watchdog_(watchdog) {
 }
 
 GpuWatchdogThread::GpuWatchdogTaskObserver::~GpuWatchdogTaskObserver() {
 }
 
 void GpuWatchdogThread::GpuWatchdogTaskObserver::WillProcessTask(
-    base::TimeTicks time_posted) {
+    const base::PendingTask& pending_task) {
   watchdog_->CheckArmed();
 }
 
 void GpuWatchdogThread::GpuWatchdogTaskObserver::DidProcessTask(
-    base::TimeTicks time_posted) {
+    const base::PendingTask& pending_task) {
   watchdog_->CheckArmed();
 }
 
 GpuWatchdogThread::~GpuWatchdogThread() {
   // Verify that the thread was explicitly stopped. If the thread is stopped
   // implicitly by the destructor, CleanUp() will not be called.
   DCHECK(!weak_factory_.HasWeakPtrs());
 
 #if defined(OS_WIN)
   CloseHandle(watched_thread_handle_);
@@ skipping 148 matching lines @@
   // not increasing. The other is where either the kernel hangs and never
   // returns to user level or where user level code
   // calls into kernel level repeatedly, giving up its quanta before it is
   // tracked, for example a loop that repeatedly Sleeps.
   return base::TimeDelta::FromMilliseconds(static_cast<int64>(
       (user_time64.QuadPart + kernel_time64.QuadPart) / 10000));
 }
 #endif
 
 }  // namespace content