Update the remaining references to sys_string_conversions.h to its new location.

media/video/capture/win/video_capture_device_mf_win.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 "media/video/capture/win/video_capture_device_mf_win.h"
 
 #include <mfapi.h>
 #include <mferror.h>
 
 #include "base/lazy_instance.h"
 #include "base/memory/ref_counted.h"
+#include "base/strings/sys_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
-#include "base/sys_string_conversions.h"
 #include "base/win/scoped_co_mem.h"
 #include "base/win/windows_version.h"
 #include "media/video/capture/win/capability_list_win.h"
 
 using base::win::ScopedCoMem;
 using base::win::ScopedComPtr;
 
 namespace media {
 namespace {
 
@@ skipping 400 matching lines @@
   }
 }
 
 void VideoCaptureDeviceMFWin::OnError(HRESULT hr) {
   DLOG(ERROR) << "VideoCaptureDeviceMFWin: " << std::hex << hr;
   if (observer_)
     observer_->OnError();
 }
 
 }  // namespace media