Add test case for updating the bounds of snapped window.

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"
 
 namespace aura {
 class Window;
 }
 
 namespace gfx {
 class Rect;
+class Size;
 }
 
 namespace ui {
 class Event;
 }
 
 namespace ash {
 // We force at least this many DIPs for any window on the screen.
 const int kMinimumOnScreenArea = 10;
 
@@ skipping 12 matching lines @@
 // If you're looking for a function to get the activatable "top level" window,
 // this is probably what you're looking for.
 ASH_EXPORT aura::Window* GetActivatableWindow(aura::Window* window);
 
 // TODO(oshima): remove this.
 ASH_EXPORT bool IsWindowMinimized(aura::Window* window);
 
 // Moves the window to the center of the display.
 ASH_EXPORT void CenterWindow(aura::Window* window);
 
+// Adjusts |bounds| so that the size does not exceed |max_size|.
+ASH_EXPORT void AdjustBoundsSmallerThan(const gfx::Size& max_size,
+                                        gfx::Rect* bounds);
+
 // Move the given bounds inside the given |visible_area| in parent coordinates,
 // including a safety margin given by |kMinimumOnScreenArea|.
 // This also ensures that the top of the bounds is visible.
 ASH_EXPORT void AdjustBoundsToEnsureMinimumWindowVisibility(
     const gfx::Rect& visible_area,
     gfx::Rect* bounds);
 
 // Move the given bounds inside the given |visible_area| in parent coordinates,
 // including a safety margin given by |min_width| and |min_height|.
 // This also ensures that the top of the bounds is visible.
@@ skipping 18 matching lines @@
 // Does not change parent of the transient children that are not themselves
 // children of |old_parent|.
 void ReparentTransientChildrenOfChild(aura::Window* child,
                                       aura::Window* old_parent,
                                       aura::Window* new_parent);
 
 }  // namespace wm
 }  // namespace ash
 
 #endif  // ASH_WM_WINDOW_UTIL_H_