Limit display of the virtual keyboard to state changes triggered from a user gesture.

ash/root_window_controller_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/root_window_controller.h"
 
 #include "ash/session_state_delegate.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
@@ skipping 603 matching lines @@
        ClickVirtualKeyboardInBlockedWindow) {
   aura::Window* root_window = Shell::GetPrimaryRootWindow();
   aura::Window* keyboard_container = Shell::GetContainer(root_window,
       internal::kShellWindowId_VirtualKeyboardContainer);
   ASSERT_TRUE(keyboard_container);
   keyboard_container->Show();
 
   aura::Window* keyboard_window = Shell::GetInstance()->keyboard_controller()->
       proxy()->GetKeyboardWindow();
   keyboard_container->AddChild(keyboard_window);
+  keyboard_window->set_owned_by_parent(false);
   keyboard_window->SetBounds(gfx::Rect());
   keyboard_window->Show();
 
   aura::test::TestEventHandler* handler = new aura::test::TestEventHandler;
   root_window->SetEventFilter(handler);
 
   aura::test::EventGenerator event_generator(root_window, keyboard_window);
   event_generator.ClickLeftButton();
   int expected_mouse_presses = 1;
   EXPECT_EQ(expected_mouse_presses, handler->num_mouse_events() / 2);
@@ skipping 22 matching lines @@
   aura::WindowTracker tracker;
   tracker.Add(keyboard_container);
   // Mock a login user profile change to reinitialize the keyboard.
   ash::Shell::GetInstance()->OnLoginUserProfilePrepared();
   // keyboard_container should no longer be present.
   EXPECT_FALSE(tracker.Contains(keyboard_container));
 }
 
 }  // namespace test
 }  // namespace ash