Removes most of aura dependencies from DefaultState

ash/wm/window_util.h

Index: ash/wm/window_util.h
diff --git a/ash/wm/window_util.h b/ash/wm/window_util.h
index 78091598b503c7f40de322e3932936e7c2b2dd6c..a43f4a006aea1749ea94e181316e24a9cd4593f2 100644
--- a/ash/wm/window_util.h
+++ b/ash/wm/window_util.h
@@ -51,39 +51,11 @@ 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);