cc: Remove FakeThread, use SingleThreadTaskRunner in scheduling classes.

cc/test/scheduler_test_common.cc

Index: cc/test/scheduler_test_common.cc
diff --git a/cc/test/scheduler_test_common.cc b/cc/test/scheduler_test_common.cc
index 8ccf47ec1610216793a1e07822ba446f11bd1af6..c812056e12991b3f61dae99e451447f2d5370e6f 100644
--- a/cc/test/scheduler_test_common.cc
+++ b/cc/test/scheduler_test_common.cc
@@ -10,31 +10,6 @@ namespace cc {
 
 void FakeTimeSourceClient::OnTimerTick() { tick_called_ = true; }
 
-FakeThread::FakeThread() { Reset(); }
-
-FakeThread::~FakeThread() {}
-
-void FakeThread::RunPendingTask() {
-  ASSERT_TRUE(pending_task_);
-  scoped_ptr<base::Closure> task = pending_task_.Pass();
-  task->Run();
-}
-
-void FakeThread::PostTask(base::Closure cb) {
-  PostDelayedTask(cb, base::TimeDelta());
-}
-
-void FakeThread::PostDelayedTask(base::Closure cb, base::TimeDelta delay) {
-  if (run_pending_task_on_overwrite_ && HasPendingTask())
-    RunPendingTask();
-
-  ASSERT_FALSE(HasPendingTask());
-  pending_task_.reset(new base::Closure(cb));
-  pending_task_delay_ = delay.InMilliseconds();
-}
-
-bool FakeThread::BelongsToCurrentThread() const { return true; }
-
 base::TimeTicks FakeDelayBasedTimeSource::Now() const { return now_; }
 
 }  // namespace cc