views/mus: Run some more tests from views_unittests in mus.

ui/views/controls/button/label_button_unittest.cc

Index: ui/views/controls/button/label_button_unittest.cc
diff --git a/ui/views/controls/button/label_button_unittest.cc b/ui/views/controls/button/label_button_unittest.cc
index fad48ffaacd166d0ba3be3640c1ef81469af1fc2..1b13b8c50a2e865769dae571f62bafe738a6289a 100644
--- a/ui/views/controls/button/label_button_unittest.cc
+++ b/ui/views/controls/button/label_button_unittest.cc
@@ -455,8 +455,7 @@ class InkDropLabelButtonTest : public ViewsTestBase {
 };
 
 TEST_F(InkDropLabelButtonTest, HoverStateAfterMouseEnterAndExitEvents) {
-  ui::test::EventGenerator event_generator(GetContext(),
-                                           widget_->GetNativeWindow());
+  ui::test::EventGenerator event_generator(widget_->GetNativeWindow());
   const gfx::Point out_of_bounds_point(button_->bounds().bottom_right() +
                                        gfx::Vector2d(1, 1));
   const gfx::Point in_bounds_point(button_->bounds().CenterPoint());