Initial implementation of ColorChooser for Aura.

ui/views/color_chooser/color_chooser_listener.h

Index: ui/views/color_chooser/color_chooser_listener.h
diff --git a/ui/views/color_chooser/color_chooser_listener.h b/ui/views/color_chooser/color_chooser_listener.h
new file mode 100644
index 0000000000000000000000000000000000000000..2587d03c68b10dd6babfc1b72dcefcf315c96084
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+++ b/ui/views/color_chooser/color_chooser_listener.h
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+// 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.
+
+#ifndef UI_VIEWS_COLOR_CHOOSER_COLOR_CHOOSER_LISTENER_H_
+#define UI_VIEWS_COLOR_CHOOSER_COLOR_CHOOSER_LISTENER_H_
+#pragma once
+
+#include "third_party/skia/include/core/SkColor.h"
+#include "ui/views/views_export.h"
+
+namespace views {
+
+// An interface implemented by a Listener object wishing to know about the
+// the results from the color chooser dialog.
+class VIEWS_EXPORT ColorChooserListener {
+ public:
+  virtual void OnColorChosen(SkColor color) = 0;
+  virtual void OnColorChooserDialogClosed() = 0;
+
+ protected:
+  virtual ~ColorChooserListener() {}
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_COLOR_CHOOSER_COLOR_CHOOSER_LISTENER_H_