Desktop aura: Continue threading context through views.

ui/views/test/views_test_base.cc

Index: ui/views/test/views_test_base.cc
diff --git a/ui/views/test/views_test_base.cc b/ui/views/test/views_test_base.cc
index 3d3fe6482413544159d1b522ad8745c3217c2848..ac0b49797bec6b6ead3e55755997ed0ef0638f0d 100644
--- a/ui/views/test/views_test_base.cc
+++ b/ui/views/test/views_test_base.cc
@@ -9,6 +9,7 @@
 
 #if defined(USE_AURA)
 #include "ui/aura/env.h"
+#include "ui/aura/root_window.h"
 #include "ui/aura/test/aura_test_helper.h"
 #endif
 
@@ -59,4 +60,14 @@ void ViewsTestBase::RunPendingMessages() {
   run_loop.RunUntilIdle();
 }
 
+Widget::InitParams ViewsTestBase::CreateParams(
+    Widget::InitParams::Type type) {
+  Widget::InitParams params(type);
+  params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+#if defined(USE_AURA)
+  params.context = aura_test_helper_->root_window();
+#endif
+  return params;
+}
+
 }  // namespace views