Give up focus if the focused view becomes unfocusable

ash/wm/immersive_fullscreen_controller_unittest.cc

Index: ash/wm/immersive_fullscreen_controller_unittest.cc
diff --git a/ash/wm/immersive_fullscreen_controller_unittest.cc b/ash/wm/immersive_fullscreen_controller_unittest.cc
index 672e97645699f72720fd961f2e43d892df525e71..80615b7cf744a76a681b4ff4e0a94f41db0061b2 100644
--- a/ash/wm/immersive_fullscreen_controller_unittest.cc
+++ b/ash/wm/immersive_fullscreen_controller_unittest.cc
@@ -131,7 +131,7 @@ class ImmersiveFullscreenControllerTest : public ash::test::AshTestBase {
     top_container_ = new views::View();
     top_container_->SetBounds(
         0, 0, widget_->GetWindowBoundsInScreen().width(), 100);
-    top_container_->set_focusable(true);
+    top_container_->SetFocusable(true);
     widget_->GetContentsView()->AddChildView(top_container_);
 
     delegate_.reset(
@@ -678,11 +678,11 @@ TEST_F(ImmersiveFullscreenControllerTest, Focus) {
   // test.
   views::View* child_view = new views::View();
   child_view->SetBounds(0, 0, 10, 10);
-  child_view->set_focusable(true);
+  child_view->SetFocusable(true);
   top_container()->AddChildView(child_view);
   views::View* unrelated_view = new views::View();
   unrelated_view->SetBounds(0, 100, 10, 10);
-  unrelated_view->set_focusable(true);
+  unrelated_view->SetFocusable(true);
   top_container()->parent()->AddChildView(unrelated_view);
   views::FocusManager* focus_manager =
       top_container()->GetWidget()->GetFocusManager();