Remove "Alternate frame caption button style" command line flag

ash/frame/caption_buttons/bubble_contents_button_row.h

-// Copyright 2013 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_FRAME_CAPTION_BUTTONS_BUBBLE_CONTENTS_BUTTON_ROW_H_
-#define ASH_FRAME_CAPTION_BUTTONS_BUBBLE_CONTENTS_BUTTON_ROW_H_
-
-#include "ash/wm/workspace/snap_types.h"
-#include "ui/views/controls/button/button.h"
-
-namespace views {
-class CustomButton;
-}
-
-namespace ash {
-
-class BubbleDialogButton;
-class MaximizeBubbleControllerBubble;
-
-// A class that creates all buttons and puts them into a view.
-class BubbleContentsButtonRow : public views::View,
-                                public views::ButtonListener {
- public:
-  explicit BubbleContentsButtonRow(MaximizeBubbleControllerBubble* bubble);
-  virtual ~BubbleContentsButtonRow();
-
-  // views::ButtonListener:
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) OVERRIDE;
-
-  // Called from BubbleDialogButton.
-  void ButtonHovered(BubbleDialogButton* sender);
-
-  // Added for unit test: Retrieve the button for an action.
-  // |state| can be either SNAP_LEFT, SNAP_RIGHT or SNAP_MINIMIZE.
-  views::CustomButton* GetButtonForUnitTest(SnapType state);
-
-  MaximizeBubbleControllerBubble* bubble() { return bubble_; }
-
- private:
-  // Functions to add the left and right maximize / restore buttons.
-  void AddMaximizeLeftButton();
-  void AddMaximizeRightButton();
-  void AddMinimizeButton();
-
-  // The owning object which gets notifications.
-  MaximizeBubbleControllerBubble* bubble_;
-
-  // The created buttons for our menu.
-  BubbleDialogButton* left_button_;
-  BubbleDialogButton* minimize_button_;
-  BubbleDialogButton* right_button_;
-
-  DISALLOW_COPY_AND_ASSIGN(BubbleContentsButtonRow);
-};
-
-}  // namespace ash
-
-#endif  // ASH_FRAME_CAPTION_BUTTONS_BUBBLE_CONTENTS_BUTTON_ROW_H_