Remove code that checks if MessagePumpForGpu was signaled.

base/message_loop/message_loop.cc

 // Copyright 2013 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 "base/message_loop/message_loop.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 458 matching lines @@
 #else
     incoming_task_queue_->ReloadWorkQueue(&work_queue_);
 #endif
   }
 }
 
 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());
 }
 
 bool MessageLoop::DoWork() {
   if (!nestable_tasks_allowed_) {
     // Task can't be executed right now.
     return false;
   }
@@ skipping 157 matching lines @@
       persistent,
       mode,
       controller,
       delegate);
 }
 #endif
 
 #endif  // !defined(OS_NACL_SFI)
 
 }  // namespace base