Only support left/right maximizing at 50% width when the --ash-enable-alternate-caption-button

ash/wm/window_util.h

 // 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_WM_WINDOW_UTIL_H_
 #define ASH_WM_WINDOW_UTIL_H_
 
 #include "ash/ash_export.h"
 #include "base/compiler_specific.h"
 #include "ui/base/ui_base_types.h"
@@ skipping 34 matching lines @@
 
 // Returns true if |window| can be maximized.
 ASH_EXPORT bool CanMaximizeWindow(const aura::Window* window);
 
 // Returns true if |window| can be minimized.
 ASH_EXPORT bool CanMinimizeWindow(const aura::Window* window);
 
 // Returns true if |window| can be resized.
 ASH_EXPORT bool CanResizeWindow(const aura::Window* window);
 
-// Returns true if |window| can be snapped to the left or right.
-ASH_EXPORT bool CanSnapWindow(aura::Window* window);
-
 // Returns true if |window| is normal or default.
 ASH_EXPORT bool IsWindowNormal(const aura::Window* window);
 
 // Returns true if |state| is normal or default.
 ASH_EXPORT bool IsWindowStateNormal(const ui::WindowShowState state);
 
 // Returns true if |window| is in the maximized state.
 ASH_EXPORT bool IsWindowMaximized(const aura::Window* window);
 
 // Returns true if |window| is minimized.
@@ skipping 59 matching lines @@
 
 // Moves |window| to the root window where the |event| occured if it is not
 // already in the same root window. Returns true if |window| was moved.
 ASH_EXPORT bool MoveWindowToEventRoot(aura::Window* window,
                                       const ui::Event& event);
 
 }  // namespace wm
 }  // namespace ash
 
 #endif  // ASH_WM_WINDOW_UTIL_H_