Keep only base/extractor.[cc|h].

net/winhttp.h

Index: net/winhttp.h
diff --git a/net/winhttp.h b/net/winhttp.h
deleted file mode 100644
index f961ed41337fa4ee53a69325e366b0113756d876..0000000000000000000000000000000000000000
--- a/net/winhttp.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2010 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-#ifndef OMAHA_NET_WINHTTP_H_
-#define OMAHA_NET_WINHTTP_H_
-
-#include "omaha/net/http_client.h"
-
-#endif  // OMAHA_NET_WINHTTP_H_