Deleted OS_WIN and all Windows specific files from base.

base/synchronization/waitable_event_watcher_unittest.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.
 
 #include "base/synchronization/waitable_event_watcher.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 143 matching lines @@
     RunTest_CancelAfterSet(testing_message_loops[i]);
   }
 }
 
 TEST(WaitableEventWatcherTest, OutlivesMessageLoop) {
   for (int i = 0; i < kNumTestingMessageLoops; i++) {
     RunTest_OutlivesMessageLoop(testing_message_loops[i]);
   }
 }
 
-#if defined(OS_WIN)
-// Crashes sometimes on vista.  http://crbug.com/62119
-#define MAYBE_DeleteUnder DISABLED_DeleteUnder
-#else
 #define MAYBE_DeleteUnder DeleteUnder
-#endif
 TEST(WaitableEventWatcherTest, MAYBE_DeleteUnder) {
   for (int i = 0; i < kNumTestingMessageLoops; i++) {
     RunTest_DeleteUnder(testing_message_loops[i]);
   }
 }
 
 }  // namespace base