Remove unused ParserContentPolicy, disallowScriptingContent.

third_party/WebKit/Source/core/dom/ParserContentPolicy.h

Index: third_party/WebKit/Source/core/dom/ParserContentPolicy.h
diff --git a/third_party/WebKit/Source/core/dom/ParserContentPolicy.h b/third_party/WebKit/Source/core/dom/ParserContentPolicy.h
index 0eae0d0ff846af7531fa38513cbb3e165efb5aff..23167e67a86f3b3e7b6af5c26244bc9450ad87eb 100644
--- a/third_party/WebKit/Source/core/dom/ParserContentPolicy.h
+++ b/third_party/WebKit/Source/core/dom/ParserContentPolicy.h
@@ -40,13 +40,6 @@ static inline bool scriptingContentIsAllowed(ParserContentPolicy parserContentPo
     return parserContentPolicy == AllowScriptingContent || parserContentPolicy == AllowScriptingContentAndDoNotMarkAlreadyStarted;
 }
 
-static inline ParserContentPolicy disallowScriptingContent(ParserContentPolicy parserContentPolicy)
-{
-    if (!scriptingContentIsAllowed(parserContentPolicy))
-        return parserContentPolicy;
-    return DisallowScriptingContent;
-}
-
 static inline bool pluginContentIsAllowed(ParserContentPolicy parserContentPolicy)
 {
     return parserContentPolicy != DisallowScriptingAndPluginContent;