1 files changed, 44 insertions, 0 deletions
diff --git a/chromium/ash/launcher/overflow_button.h b/chromium/ash/launcher/overflow_button.h
new file mode 100644
index 00000000000..0b225aaa29e
--- /dev/null
+++ b/chromium/ash/launcher/overflow_button.h
@@ -0,0 +1,44 @@
+// 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 ASH_LAUNCHER_OVERFLOW_BUTTON_H_
+#define ASH_LAUNCHER_OVERFLOW_BUTTON_H_
+
+#include "ash/shelf/shelf_types.h"
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "ui/gfx/image/image_skia.h"
+#include "ui/views/controls/button/custom_button.h"
+
+namespace ash {
+namespace internal {
+
+// Launcher overflow chevron button.
+class OverflowButton : public views::CustomButton {
+ public:
+  explicit OverflowButton(views::ButtonListener* listener);
+  virtual ~OverflowButton();
+
+  void OnShelfAlignmentChanged();
+
+ private:
+  void PaintBackground(gfx::Canvas* canvas, int alpha);
+
+  // views::View overrides:
+  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+
+  // Left and right images are rotations of bottom_image and are
+  // owned by the overflow button.
+  gfx::ImageSkia left_image_;
+  gfx::ImageSkia right_image_;
+  // Bottom image is owned by the resource bundle.
+  const gfx::ImageSkia* bottom_image_;
+
+  DISALLOW_COPY_AND_ASSIGN(OverflowButton);
+};
+
+}  // namespace internal
+}  // namespace ash
+
+#endif  // ASH_LAUNCHER_OVERFLOW_BUTTON_H_