ash/immersive mode: Hide the launcher when entering immersive mode

ash/root_window_controller_unittest.cc

Index: ash/root_window_controller_unittest.cc
diff --git a/ash/root_window_controller_unittest.cc b/ash/root_window_controller_unittest.cc
index 8dac9d32d66c0b0ba1d2efb87cb820280d7f6a76..54aa82d37847781bf420def6b110a7b9d475c893 100644
--- a/ash/root_window_controller_unittest.cc
+++ b/ash/root_window_controller_unittest.cc
@@ -11,6 +11,7 @@
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/system_modal_container_layout_manager.h"
+#include "ash/wm/window_properties.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/client/focus_change_observer.h"
 #include "ui/aura/client/focus_client.h"
@@ -25,6 +26,9 @@
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
+using aura::Window;
+using views::Widget;
+
 namespace ash {
 namespace {
 
@@ -319,5 +323,32 @@ TEST_F(RootWindowControllerTest, ModalContainerNotLoggedInLoggedIn) {
               session_modal_widget->GetNativeView()));
 }
 
+// Ensure a workspace with two windows reports immersive mode even if only
+// one has the property set.
+TEST_F(RootWindowControllerTest, ImmersiveMode) {
+  UpdateDisplay("600x600");
+  internal::RootWindowController* controller =
+      Shell::GetInstance()->GetPrimaryRootWindowController();
+
+  // Open a maximized window.
+  Widget* w1 = CreateTestWidget(gfx::Rect(0, 1, 250, 251));
+  w1->Maximize();
+
+  // Immersive mode off by default.
+  EXPECT_FALSE(controller->IsImmersiveMode());
+
+  // Enter immersive mode.
+  w1->GetNativeWindow()->SetProperty(ash::internal::kImmersiveModeKey, true);
+  EXPECT_TRUE(controller->IsImmersiveMode());
+
+  // Add a child, like a print window.  Still in immersive mode.
+  Widget* w2 =
+      Widget::CreateWindowWithParentAndBounds(NULL,
+                                              w1->GetNativeWindow(),
+                                              gfx::Rect(0, 1, 150, 151));
+  w2->Show();
+  EXPECT_TRUE(controller->IsImmersiveMode());
+}
+
 }  // namespace test
 }  // namespace ash