Remove the ENABLE_NOSNIFF compile-time flag.

Source/WebCore/platform/network/HTTPParsers.h

Index: Source/WebCore/platform/network/HTTPParsers.h
diff --git a/Source/WebCore/platform/network/HTTPParsers.h b/Source/WebCore/platform/network/HTTPParsers.h
index 71075e9e8f2e5ee1e5298aaa0d76e347c45bb523..a71cb549e93d7962547b2a694f31b40feb738c73 100644
--- a/Source/WebCore/platform/network/HTTPParsers.h
+++ b/Source/WebCore/platform/network/HTTPParsers.h
@@ -47,12 +47,10 @@ typedef enum {
     ContentDispositionOther
 } ContentDispositionType;
 
-#if ENABLE(NOSNIFF)
 enum ContentTypeOptionsDisposition {
     ContentTypeOptionsNone,
     ContentTypeOptionsNosniff
 };
-#endif
 
 enum XFrameOptionsDisposition {
     XFrameOptionsNone,
@@ -79,9 +77,7 @@ XFrameOptionsDisposition parseXFrameOptionsHeader(const String&);
 // -1 could be set to one of the return parameters to indicate the value is not specified.
 bool parseRange(const String&, long long& rangeOffset, long long& rangeEnd, long long& rangeSuffixLength);
 
-#if ENABLE(NOSNIFF)
 ContentTypeOptionsDisposition parseContentTypeOptionsHeader(const String& header);
-#endif
 
 // Parsing Complete HTTP Messages.
 enum HTTPVersion { Unknown, HTTP_1_0, HTTP_1_1 };