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

third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl

Index: third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
diff --git a/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl b/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
index f57a236adea40be7d879a36661d1f522ec1c3918..7824f469f35039bfaccc6e5a8acc85a30bfb1743 100644
--- a/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
+++ b/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
@@ -273,7 +273,8 @@ void {{v8_class_or_partial}}::crossOriginNamedGetter(v8::Local<v8::Name> name, c
   {% else %}
   BindingSecurity::FailedAccessCheckFor(
       info.GetIsolate(),
-      {{v8_class}}::toImpl(info.Holder())->GetFrame());
+      &{{v8_class}}::wrapperTypeInfo,
+      info.Holder());
   {% endif %}
 }
 {% endif %}
@@ -297,7 +298,8 @@ void {{v8_class_or_partial}}::crossOriginNamedSetter(v8::Local<v8::Name> name, v
 
   BindingSecurity::FailedAccessCheckFor(
       info.GetIsolate(),
-      {{v8_class}}::toImpl(info.Holder())->GetFrame());
+      &{{v8_class}}::wrapperTypeInfo,
+      info.Holder());
 }
 {% endif %}