Desktop aura: Continue threading context through views.

ui/views/widget/native_widget_aura.cc

Index: ui/views/widget/native_widget_aura.cc
diff --git a/ui/views/widget/native_widget_aura.cc b/ui/views/widget/native_widget_aura.cc
index 0d804a6cf63e3726e053874af5c96d258fc3a3d6..8efbceadbd5a000fe2009694182242b2ac03757b 100644
--- a/ui/views/widget/native_widget_aura.cc
+++ b/ui/views/widget/native_widget_aura.cc
@@ -131,6 +131,11 @@ void NativeWidgetAura::InitNativeWidget(const Widget::InitParams& params) {
   if (parent) {
     parent->AddChild(window_);
   } else {
+    // TODO(erg): Once I've threaded context through chrome, uncomment this
+    // check, which currently fails on the NULL == NULL case.
+    //
+    // DCHECK_NE(params.GetParent(), params.context);
+
     // TODO(erg): Remove this NULL check once we've made everything in views
     // actually pass us a context.
     aura::RootWindow* root_window =