Deleted OS_WIN and all Windows specific files from base.

base/message_loop/incoming_task_queue.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/incoming_task_queue.h"
 
 #include <limits>
 
 #include "base/location.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 43 matching lines @@
     TimeDelta delay,
     bool nestable) {
   DLOG_IF(WARNING,
           delay.InSeconds() > kTaskDelayWarningThresholdInSeconds)
       << "Requesting super-long task delay period of " << delay.InSeconds()
       << " seconds from here: " << from_here.ToString();
 
   AutoLock locked(incoming_queue_lock_);
   PendingTask pending_task(
       from_here, task, CalculateDelayedRuntime(delay), nestable);
-#if defined(OS_WIN)
-  // We consider the task needs a high resolution timer if the delay is
-  // more than 0 and less than 32ms. This caps the relative error to
-  // less than 50% : a 33ms wait can wake at 48ms since the default
-  // resolution on Windows is between 10 and 15ms.
-  if (delay > TimeDelta() &&
-      delay.InMilliseconds() < (2 * Time::kMinLowResolutionThresholdMs)) {
-    ++high_res_task_count_;
-    pending_task.is_high_res = true;
-  }
-#endif
   return PostPendingTask(&pending_task);
 }
 
 bool IncomingTaskQueue::HasHighResolutionTasks() {
   AutoLock lock(incoming_queue_lock_);
   return high_res_task_count_ > 0;
 }
 
 bool IncomingTaskQueue::IsIdleForTesting() {
   AutoLock lock(incoming_queue_lock_);
@@ skipping 88 matching lines @@
   // After we've scheduled the message loop, we do not need to do so again
   // until we know it has processed all of the work in our queue and is
   // waiting for more work again. The message loop will always attempt to
   // reload from the incoming queue before waiting again so we clear this flag
   // in ReloadWorkQueue().
   message_loop_scheduled_ = true;
 }
 
 }  // namespace internal
 }  // namespace base