Rework security checks to be based on Window rather than Frame.

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

Index: third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp b/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp
index 1f40c6b0867dbdae9df028e20926770b48a1c814..ec9cf2ffcf449acce1010a1855976bbf4d5a77ca 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/ScheduledAction.cpp
@@ -53,7 +53,7 @@ ScheduledAction* ScheduledAction::create(ScriptState* scriptState,
   ASSERT(handler.isFunction());
   if (!scriptState->world().isWorkerWorld()) {
     DCHECK(BindingSecurity::shouldAllowAccessToFrame(
-        enteredDOMWindow(scriptState->isolate()), toDocument(target)->frame(),
+        enteredDOMWindow(scriptState->isolate()), *toDocument(target)->frame(),
         BindingSecurity::ErrorReportOption::DoNotReport));
   }
   return new ScheduledAction(scriptState, handler, arguments);
@@ -64,7 +64,7 @@ ScheduledAction* ScheduledAction::create(ScriptState* scriptState,
                                          const String& handler) {
   if (!scriptState->world().isWorkerWorld()) {
     DCHECK(BindingSecurity::shouldAllowAccessToFrame(
-        enteredDOMWindow(scriptState->isolate()), toDocument(target)->frame(),
+        enteredDOMWindow(scriptState->isolate()), *toDocument(target)->frame(),
         BindingSecurity::ErrorReportOption::DoNotReport));
   }
   return new ScheduledAction(scriptState, handler);