Error recovery for valid media query followed by garbage.

Source/core/css/CSSGrammar.y.in

Index: Source/core/css/CSSGrammar.y.in
diff --git a/Source/core/css/CSSGrammar.y.in b/Source/core/css/CSSGrammar.y.in
index 6f375f2e6d33acd194a77e85fba727bad7d65a98..5bf4a90313e55a8bc72951285a3b98eef59ce880 100644
--- a/Source/core/css/CSSGrammar.y.in
+++ b/Source/core/css/CSSGrammar.y.in
@@ -638,6 +638,9 @@ valid_media_query:
 
 media_query:
     valid_media_query
+    | valid_media_query error rule_error_recovery {
+        $$ = parser->createFloatingNotAllQuery();
+    }
     | error rule_error_recovery {
         $$ = parser->createFloatingNotAllQuery();
     }