Focus launcher if spoken feedback is enabled and no other windows visible.

ash/launcher/launcher_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/launcher/launcher.h"
 #include "ash/launcher/launcher_button.h"
 #include "ash/launcher/launcher_model.h"
 #include "ash/launcher/launcher_view.h"
 
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/launcher_view_test_api.h"
+#include "ash/wm/window_util.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
 typedef ash::test::AshTestBase LauncherTest;
 using ash::internal::LauncherView;
 using ash::internal::LauncherButton;
 
 namespace ash {
 
 // Makes sure invoking SetStatusSize on the launcher changes the size of the
@@ skipping 47 matching lines @@
   int index = model->Add(item);
   ASSERT_EQ(++button_count, test.GetButtonCount());
   LauncherButton* button = test.GetButton(index);
   EXPECT_EQ(LauncherButton::STATE_RUNNING, button->state());
 
   // Remove it.
   model->RemoveItemAt(index);
   ASSERT_EQ(--button_count, test.GetButtonCount());
 }
 
+// Launcher can't be activated on mouse click, but it is activable from
+// the focus cycler or as fallback.
+TEST_F(LauncherTest, ActivateAsFallback) {
+  Launcher* launcher = Launcher::ForPrimaryDisplay();
+  views::Widget* launcher_widget = launcher->widget();
+  EXPECT_FALSE(launcher_widget->CanActivate());
+
+  launcher->WillActivateAsFallback();
+  EXPECT_TRUE(launcher_widget->CanActivate());
+
+  wm::ActivateWindow(launcher_widget->GetNativeWindow());
+  EXPECT_FALSE(launcher_widget->CanActivate());
+}
+
 }  // namespace ash