Move MIME related platform files under network/mime

third_party/WebKit/Source/platform/network/mime/MIMETypeFromURL.h

+// Copyright 2016 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.
+
+#ifndef MIMETypeFromURL_h
+#define MIMETypeFromURL_h
+
+#include "platform/PlatformExport.h"
+#include "wtf/Forward.h"
+
+namespace blink {
+
+class KURL;
+
+PLATFORM_EXPORT String mimeTypeFromDataURL(const String& url);
+PLATFORM_EXPORT String mimeTypeFromURL(const KURL&);
+
+}  // namespace blink
+
+#endif  // MIMETypeFromURL_h