Removes most of aura dependencies from DefaultState

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 33 matching lines @@
 
 // TODO(oshima): remove this.
 ASH_EXPORT bool IsWindowMinimized(aura::Window* window);
 
 // Returns true if |window|'s location can be controlled by the user.
 ASH_EXPORT bool IsWindowUserPositionable(aura::Window* window);
 
 // Moves the window to the center of the display.
 ASH_EXPORT void CenterWindow(aura::Window* window);
 
-ASH_EXPORT gfx::Rect GetDefaultLeftSnappedWindowBoundsInParent(
-    wm::WmWindow* window);
-ASH_EXPORT gfx::Rect GetDefaultRightSnappedWindowBoundsInParent(
-    wm::WmWindow* window);
-
-// Returns the bounds of a left snapped window with default width in parent
-// coordinates.
-ASH_EXPORT gfx::Rect GetDefaultLeftSnappedWindowBoundsInParent(
-    aura::Window* window);
-
-// Returns the bounds of a right snapped window with default width in parent
-// coordinates.
-ASH_EXPORT gfx::Rect GetDefaultRightSnappedWindowBoundsInParent(
-    aura::Window* window);
-
 // 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);
 
-// Changes the parent of a |child| and all its transient children that are
-// themselves children of |old_parent| to |new_parent|.
-void ReparentChildWithTransientChildren(aura::Window* child,
-                                        aura::Window* old_parent,
-                                        aura::Window* new_parent);
-
-// Changes the parent of all transient children of a |child| to |new_parent|.
-// 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);
-
 // Snap the window's layer to physical pixel boundary.
 void SnapWindowToPixelBoundary(aura::Window* window);
 
 // Mark the container window so that InstallSnapLayoutManagerToContainers
 // installs the SnapToPixelLayoutManager.
 ASH_EXPORT void SetSnapsChildrenToPhysicalPixelBoundary(
     aura::Window* container);
 
 // Traverse the |container| tree and installs SnapToPixelLayoutManager.
 void InstallSnapLayoutManagerToContainers(aura::Window* container);
 
 }  // namespace wm
 }  // namespace ash
 
 #endif  // ASH_WM_WINDOW_UTIL_H_