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diff --git a/Source/WebCore/platform/MIMETypeRegistry.h b/Source/WebCore/platform/MIMETypeRegistry.h
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+++ b/Source/WebCore/platform/MIMETypeRegistry.h
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+/*
+ * Copyright (C) 2006 Apple Computer, 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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.
+ */
+
+#ifndef MIMETypeRegistry_h
+#define MIMETypeRegistry_h
+
+#include "PlatformString.h"
+#include <wtf/HashSet.h>
+#include <wtf/Vector.h>
+#include <wtf/text/StringHash.h>
+
+namespace WebCore {
+
+class MIMETypeRegistry {
+public:
+    static String getMIMETypeForExtension(const String& extension);
+    static Vector<String> getExtensionsForMIMEType(const String& type);
+    static String getPreferredExtensionForMIMEType(const String& type);
+    static String getMediaMIMETypeForExtension(const String& extension);
+    static Vector<String> getMediaMIMETypesForExtension(const String& extension);
+
+    static String getMIMETypeForPath(const String& path);
+
+    // Check to see if a mime type is suitable for being loaded inline as an
+    // image (e.g., <img> tags).
+    static bool isSupportedImageMIMEType(const String& mimeType);
+
+    // Check to see if a mime type is suitable for being loaded as an image
+    // document in a frame.
+    static bool isSupportedImageResourceMIMEType(const String& mimeType);
+
+    // Check to see if a mime type is suitable for being encoded.
+    static bool isSupportedImageMIMETypeForEncoding(const String& mimeType);
+
+    // Check to see if a mime type is suitable for being loaded as a JavaScript
+    // resource.
+    static bool isSupportedJavaScriptMIMEType(const String& mimeType);    
+
+    // Check to see if a non-image mime type is suitable for being loaded as a
+    // document in a frame.  Includes supported JavaScript MIME types.
+    static bool isSupportedNonImageMIMEType(const String& mimeType);
+
+    // Check to see if a mime type is suitable for being loaded using <video> and <audio>
+    static bool isSupportedMediaMIMEType(const String& mimeType); 
+
+    // Check to see if a mime type is a valid Java applet mime type
+    static bool isJavaAppletMIMEType(const String& mimeType);
+
+    // Check to see if a mime type is a plugin implemented by the
+    // browser (e.g. a Qt Plugin).
+    static bool isApplicationPluginMIMEType(const String& mimeType);
+
+    static HashSet<String>& getSupportedImageMIMETypes();
+    static HashSet<String>& getSupportedImageResourceMIMETypes();
+    static HashSet<String>& getSupportedImageMIMETypesForEncoding();
+    static HashSet<String>& getSupportedNonImageMIMETypes();
+    static HashSet<String>& getSupportedMediaMIMETypes();
+};
+
+const String& defaultMIMEType();
+
+} // namespace WebCore
+
+#endif // MIMETypeRegistry_h