Enable virtual keyboard in overview mode

ash/virtual_keyboard_observer.h

Index: ash/virtual_keyboard_observer.h
diff --git a/ash/virtual_keyboard_observer.h b/ash/virtual_keyboard_observer.h
new file mode 100644
index 0000000000000000000000000000000000000000..2f4cbd49a54eb5454e3a62c1a8f21d237ba558e1
--- /dev/null
+++ b/ash/virtual_keyboard_observer.h
@@ -0,0 +1,29 @@
+// 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.
+
+#ifndef ASH_VIRTUAL_KEYBOARD_OBSERVER_H_
+#define ASH_VIRTUAL_KEYBOARD_OBSERVER_H_
+
+#include "ash/ash_export.h"
+#include "ash/shell_observer.h"
+
+namespace ash {
+
+// This class observes enter/leaving maximized mode for virtual keyboard.
+class ASH_EXPORT VirtualKeyboardObserver : public ShellObserver {

[oshima, 2014/09/22 18:39:04]

I think VirtualKeyboardController is better name because it's controlling VK by
observing touch view mode change. WDYT?

[bshe, 2014/09/22 19:44:31]

Make sense. Done.

On 2014/09/22 18:39:04, oshima wrote:

+ public:
+  VirtualKeyboardObserver();
+  virtual ~VirtualKeyboardObserver();
+
+  // ShellObserver:
+  virtual void OnMaximizeModeStarted() OVERRIDE;
+  virtual void OnMaximizeModeEnded() OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardObserver);
+};
+
+}  // namespace ash
+
+#endif  // ASH_VIRTUAL_KEYBOARD_OBSERVER_H_