Removes aura dependencies from WindowPositioner

ash/wm/window_util.cc

Index: ash/wm/window_util.cc
diff --git a/ash/wm/window_util.cc b/ash/wm/window_util.cc
index 7a29d24aba4b9043279ab237d820e6e3d5819deb..f888f79fb60e516b22e8cd85b04882707ac589c0 100644
--- a/ash/wm/window_util.cc
+++ b/ash/wm/window_util.cc
@@ -125,40 +125,6 @@ gfx::Rect GetDefaultRightSnappedWindowBoundsInParent(aura::Window* window) {
                    work_area_in_parent.height());
 }
 
-void AdjustBoundsSmallerThan(const gfx::Size& max_size, gfx::Rect* bounds) {
-  bounds->set_width(std::min(bounds->width(), max_size.width()));
-  bounds->set_height(std::min(bounds->height(), max_size.height()));
-}
-
-void AdjustBoundsToEnsureMinimumWindowVisibility(const gfx::Rect& visible_area,
-                                                 gfx::Rect* bounds) {
-  AdjustBoundsToEnsureWindowVisibility(
-      visible_area, kMinimumOnScreenArea, kMinimumOnScreenArea, bounds);
-}
-
-void AdjustBoundsToEnsureWindowVisibility(const gfx::Rect& visible_area,
-                                          int min_width,
-                                          int min_height,
-                                          gfx::Rect* bounds) {
-  AdjustBoundsSmallerThan(visible_area.size(), bounds);
-
-  min_width = std::min(min_width, visible_area.width());
-  min_height = std::min(min_height, visible_area.height());
-
-  if (bounds->right() < visible_area.x() + min_width) {
-    bounds->set_x(visible_area.x() + min_width - bounds->width());
-  } else if (bounds->x() > visible_area.right() - min_width) {
-    bounds->set_x(visible_area.right() - min_width);
-  }
-  if (bounds->bottom() < visible_area.y() + min_height) {
-    bounds->set_y(visible_area.y() + min_height - bounds->height());
-  } else if (bounds->y() > visible_area.bottom() - min_height) {
-    bounds->set_y(visible_area.bottom() - min_height);
-  }
-  if (bounds->y() < visible_area.y())
-    bounds->set_y(visible_area.y());
-}
-
 bool MoveWindowToEventRoot(aura::Window* window, const ui::Event& event) {
   views::View* target = static_cast<views::View*>(event.target());
   if (!target)