Remove code that checks if MessagePumpForGpu was signaled.

base/message_loop/message_loop.cc

Index: base/message_loop/message_loop.cc
diff --git a/base/message_loop/message_loop.cc b/base/message_loop/message_loop.cc
index 74287b148e61f7d5165968393e41f3ac2e2b081f..ef7747ef06998475ede2369c110c8efcb2ba712a 100644
--- a/base/message_loop/message_loop.cc
+++ b/base/message_loop/message_loop.cc
@@ -476,12 +476,6 @@ void MessageLoop::ScheduleWork() {
   pump_->ScheduleWork();
 }
 
-#if defined(OS_WIN)
-bool MessageLoop::MessagePumpWasSignaled() {
-  return pump_->WasSignaled();
-}
-#endif
-
 void MessageLoop::NotifyBeginNestedLoop() {
   FOR_EACH_OBSERVER(NestingObserver, nesting_observers_,
                     OnBeginNestedMessageLoop());