Prepare Blink for removal of unsafePluginPastingEnabled setting.

Source/core/dom/ParserContentPolicy.h

Index: Source/core/dom/ParserContentPolicy.h
diff --git a/Source/core/dom/ParserContentPolicy.h b/Source/core/dom/ParserContentPolicy.h
index 88aaf757e41fbe977957db2a61c37a0c4f609f9e..0eae0d0ff846af7531fa38513cbb3e165efb5aff 100644
--- a/Source/core/dom/ParserContentPolicy.h
+++ b/Source/core/dom/ParserContentPolicy.h
@@ -52,13 +52,6 @@ static inline bool pluginContentIsAllowed(ParserContentPolicy parserContentPolic
     return parserContentPolicy != DisallowScriptingAndPluginContent;
 }
 
-static inline ParserContentPolicy allowPluginContent(ParserContentPolicy parserContentPolicy)
-{
-    if (pluginContentIsAllowed(parserContentPolicy))
-        return parserContentPolicy;
-    return DisallowScriptingContent;
-}
-
 } // namespace blink
 
 #endif // ParserContentPolicy_h