WebCore: Remove PLATFORM(WIN) files we do not use.

Source/WebCore/platform/win/PathWalker.h

Index: Source/WebCore/platform/win/PathWalker.h
diff --git a/Source/WebCore/platform/win/PathWalker.h b/Source/WebCore/platform/win/PathWalker.h
deleted file mode 100644
index 219c837364b2c4a2997c9f1e57a6382449f4d058..0000000000000000000000000000000000000000
--- a/Source/WebCore/platform/win/PathWalker.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2011 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <Windows.h>
-#include <wtf/Noncopyable.h>
-
-namespace WTF {
-    class String;
-}
-
-namespace WebCore {
-
-class PathWalker {
-    WTF_MAKE_NONCOPYABLE(PathWalker);
-public:
-    PathWalker(const WTF::String& directory, const WTF::String& pattern);
-    ~PathWalker();
-
-    bool isValid() const { return m_handle != INVALID_HANDLE_VALUE; }
-    const WIN32_FIND_DATAW& data() const { return m_data; }
-
-    bool step();
-
-private:
-    HANDLE m_handle;
-    WIN32_FIND_DATAW m_data;
-};
-
-} // namespace WebCore