Added arrow key navigation to Overview Mode

ui/views/controls/window_label.cc

Index: ui/views/controls/window_label.cc
diff --git a/ui/views/controls/window_label.cc b/ui/views/controls/window_label.cc
new file mode 100644
index 0000000000000000000000000000000000000000..677ab739f10c9c4ae3079243e7c99836a59f390b
--- /dev/null
+++ b/ui/views/controls/window_label.cc
@@ -0,0 +1,24 @@
+// Copyright (c) 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 "ui/views/controls/window_label.h"
+
+#include "ui/accessibility/ax_view_state.h"
+#include "ui/views/controls/label.h"
+
+namespace views {
+
+WindowLabel::WindowLabel() : Label() {
+}
+WindowLabel::~WindowLabel() {
+}
+
+void WindowLabel::GetAccessibleState(ui::AXViewState* state) {
+  // TODO(dmazzoni) Change role to "window"

[tdanderson, 2014/04/29 14:46:27]

Add : after (dmazzoni), and add . at the end of the comment. Also make sure
Dominic knows this TODO is in the code (and ideally there should be a bug
tracking the work, too).

[Nina, 2014/04/29 18:31:40]

Done, and he does know the TODO. We should probably file the bug when the patch
gets landed.

+  state->role = ui::AX_ROLE_BUTTON;
+  state->AddStateFlag(ui::AX_STATE_READ_ONLY);
+  state->name = layout_text();
+}
+
+}  // namespace views