Add security checks to scheduled actions

third_party/WebKit/Source/bindings/core/v8/ScheduledAction.h

Index: third_party/WebKit/Source/bindings/core/v8/ScheduledAction.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.h b/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.h
index b65d36ee1eaaa025bef2573d7383b1af7c38aa60..7d17de9724a61010fbb45929e2ba081330d2b288 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.h
+++ b/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.h
@@ -51,9 +51,12 @@ class ScheduledAction final
 
  public:
   static ScheduledAction* create(ScriptState*,
+                                 ExecutionContext*,

[Yuki, 2017/02/21 13:17:57]

I'd like to have |target| as the argument name so that it's clear that |target|
may be different from the ScriptState.

[jochen (gone - plz use gerrit), 2017/02/21 13:19:18]

done

                                  const ScriptValue& handler,
                                  const Vector<ScriptValue>& arguments);
-  static ScheduledAction* create(ScriptState*, const String& handler);
+  static ScheduledAction* create(ScriptState*,
+                                 ExecutionContext*,
+                                 const String& handler);
 
   ~ScheduledAction();
   void dispose();