Add a full screen virtual keyboard to virtual keyboard root window

ash/display/virtual_keyboard_window_controller_unittest.cc

Index: ash/display/virtual_keyboard_window_controller_unittest.cc
diff --git a/ash/display/virtual_keyboard_window_controller_unittest.cc b/ash/display/virtual_keyboard_window_controller_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2da1021e6aef91ada7f1d0f85705755273fb3064
--- /dev/null
+++ b/ash/display/virtual_keyboard_window_controller_unittest.cc
@@ -0,0 +1,55 @@
+#include "ash/display/virtual_keyboard_window_controller.h"
+
+#include "ash/ash_switches.h"
+#include "ash/display/display_controller.h"
+#include "ash/root_window_controller.h"
+#include "ash/shell.h"
+#include "ash/shell_window_ids.h"
+#include "ash/test/ash_test_base.h"
+#include "base/command_line.h"
+#include "ui/keyboard/keyboard_switches.h"
+
+namespace ash {
+namespace {
+
+class VirtualKeyboardWindowControllerTest : public test::AshTestBase {
+ public:
+  VirtualKeyboardWindowControllerTest() {}
+  virtual ~VirtualKeyboardWindowControllerTest() {}
+
+  virtual void SetUp() OVERRIDE {
+    CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+        switches::kAshHostWindowBounds, "1+1-300x300,1+301-300x300");
+    CommandLine::ForCurrentProcess()->AppendSwitch(
+        keyboard::switches::kKeyboardUsabilityTest);
+    test::AshTestBase::SetUp();
+  }
+
+  virtual void TearDown() OVERRIDE {
+    test::AshTestBase::TearDown();
+  }

[oshima, 2013/11/01 00:09:02]

TearDown is not necessary.

[bshe, 2013/11/12 15:28:33]

Done.

+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardWindowControllerTest);
+};
+
+}  // namespace
+
+#if defined(OS_WIN)
+// Virtual keyboard window does not work on win.
+#define MAYBE_VirtualKeyboardWindowTest DISABLED_VirtualKeyboardWindowTest

[oshima, 2013/11/01 00:09:02]

can you check if this works on win7 aura? (you can use SupportsMultiDisplays()
to skip this test on win8)

+#else
+#define MAYBE_VirtualKeyboardWindowTest VirtualKeyboardWindowTest
+#endif
+TEST_F(VirtualKeyboardWindowControllerTest, MAYBE_VirtualKeyboardWindowTest) {
+  RunAllPendingInMessageLoop();
+  internal::RootWindowController* root_window_controller =
+      Shell::GetInstance()->display_controller()->
+          virtual_keyboard_window_controller()->root_window_controller();
+  EXPECT_TRUE(root_window_controller);
+  // Keyboard container is added to virtual keyboard window.
+  EXPECT_TRUE(root_window_controller->GetContainer(
+      internal::kShellWindowId_VirtualKeyboardContainer));
+}
+
+}  // namespace ash