Enable virtual keyboard in overview mode

ash/virtual_keyboard_controller_unittest.cc

+// Copyright 2014 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/virtual_keyboard_controller.h"
+
+#include "ash/shell.h"
+#include "ash/test/ash_test_base.h"
+#include "ash/wm/maximize_mode/maximize_mode_controller.h"
+#include "ui/keyboard/keyboard_util.h"
+
+namespace ash {
+namespace test {
+
+typedef AshTestBase VirtualKeyboardControllerTest;
+
+// Tests that the onscreen keyboard becomes enabled when maximize mode is
+// enabled.
+TEST_F(VirtualKeyboardControllerTest, EnabledDuringMaximizeMode) {
+  ASSERT_FALSE(keyboard::IsKeyboardEnabled());
+  Shell::GetInstance()->maximize_mode_controller()->
+      EnableMaximizeModeWindowManager(true);
+  EXPECT_TRUE(keyboard::IsKeyboardEnabled());
+  Shell::GetInstance()->maximize_mode_controller()->
+      EnableMaximizeModeWindowManager(false);
+  EXPECT_FALSE(keyboard::IsKeyboardEnabled());
+}
+
+}  // namespace test
+}  // namespace ash