Remove base/scoped_handle_win.h stub and fix up all callers to use the new location and namespace.

media/audio/win/wavein_input_win.h

Index: media/audio/win/wavein_input_win.h
diff --git a/media/audio/win/wavein_input_win.h b/media/audio/win/wavein_input_win.h
index 7dd478174b5e12f755dafe22971626f7195e55c0..5cc8913a5bb2c999816860e67e8886da8ebc5e35 100644
--- a/media/audio/win/wavein_input_win.h
+++ b/media/audio/win/wavein_input_win.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -9,7 +9,7 @@
 #include <mmsystem.h>
 
 #include "base/basictypes.h"
-#include "base/scoped_handle_win.h"
+#include "base/win/scoped_handle.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_parameters.h"
 
@@ -93,7 +93,7 @@ class PCMWaveInAudioInputStream : public AudioInputStream {
   WAVEHDR* buffer_;
 
   // An event that is signaled when the callback thread is ready to stop.
-  ScopedHandle stopped_event_;
+  base::win::ScopedHandle stopped_event_;
 
   DISALLOW_COPY_AND_ASSIGN(PCMWaveInAudioInputStream);
 };