Fix size and position of the virtual keyboard after a screen rotation.

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/session_state_delegate.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
@@ skipping 926 matching lines @@
   generator.MoveMouseTo(right, bottom);
   generator.ClickLeftButton();
   EXPECT_EQ(2, menu_handler.num_mouse_events());
 
   // Cleanup to ensure that the test windows are destroyed before their
   // delegates.
   normal.reset();
   menu.reset();
 }
 
+// Tests that the virtual keyboard correctly resizes with a change to display
+// orientation. See crbug/417612.
+TEST_F(VirtualKeyboardRootWindowControllerTest, DisplayRotation) {
+  UpdateDisplay("800x600");
+  aura::Window* root_window = Shell::GetPrimaryRootWindow();
+  aura::Window* keyboard_container =
+      Shell::GetContainer(root_window, kShellWindowId_VirtualKeyboardContainer);
+  ASSERT_TRUE(keyboard_container);
+  keyboard_container->Show();
+  ASSERT_EQ("0,0 800x600", keyboard_container->bounds().ToString());

[James Cook, 2014/09/29 21:38:00]

nit: EXPECT_EQ since the test can proceed even if the expectation fails

+
+  UpdateDisplay("600x800");
+  ASSERT_EQ("0,0 600x800", keyboard_container->bounds().ToString());
+}

[James Cook, 2014/09/29 21:38:00]

nice easy-to-read test

+
 }  // namespace test
 }  // namespace ash