Delete SkStream_Win.h as it appears to never have been used.

https://code.google.com/p/skia/issues/detail?id=281


git-svn-id: http://skia.googlecode.com/svn/trunk@5781 2bbb7eff-a529-9590-31e7-b0007b416f81

include/ports/SkStream_Win.h

@@ -1,46 +0,0 @@
-
-/*
- * Copyright 2006 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#ifndef SkStream_Win_DEFINED
-#define SkStream_Win_DEFINED
-
-#ifndef SK_BUILD_FOR_WIN
-#error "only valid for windows and wince builds"
-#endif
-
-#ifndef SkStream_DEFINED
-#include "SkStream.h"
-#endif
-#include "SkString.h"
-#include "Wininet.h"
-
-/** \cond ZERO */
-class SkURLStream : public SkStream {
-public:
-    SkURLStream(const char url[] = NULL);
-    virtual ~SkURLStream();
-
-    /** Close the current URL, and open a new URL.
-        If URL is null, just close the current URL.
-    */
-    void setURL(const char url[]);
-
-    // overrides
-    virtual bool rewind();
-    virtual size_t read(void* buffer, size_t size);
-
-private:
-    SkString fURL;
-    HINTERNET fConnection;
-    HINTERNET fURLStream;
-};
-
-/** \endcond */
-#endif // SkStream_Win_DEFINED
-