Removes aura dependencies from WindowPositioner

ash/wm/window_resizer.cc

Index: ash/wm/window_resizer.cc
diff --git a/ash/wm/window_resizer.cc b/ash/wm/window_resizer.cc
index f6ea1c0764c7c6b1ab797aef390a53d29844635b..c0f2ca595a8fbd9155f58668dcb670eab7cbf543 100644
--- a/ash/wm/window_resizer.cc
+++ b/ash/wm/window_resizer.cc
@@ -7,6 +7,7 @@
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
+#include "ash/wm/common/window_positioning_utils.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "ash/wm/dock/docked_window_layout_manager.h"
 #include "ash/wm/window_state.h"
@@ -151,22 +152,24 @@ gfx::Rect WindowResizer::CalculateBoundsForDrag(
                                                  work_area);
     if (details().size_change_direction & kBoundsChangeDirection_Horizontal) {
       if (IsRightEdge(details().window_component) &&
-          new_bounds.right() < work_area.x() + kMinimumOnScreenArea) {
-        int delta = work_area.x() + kMinimumOnScreenArea - new_bounds.right();
+          new_bounds.right() < work_area.x() + wm::kMinimumOnScreenArea) {
+        int delta =
+            work_area.x() + wm::kMinimumOnScreenArea - new_bounds.right();
         new_bounds.set_width(new_bounds.width() + delta);
-      } else if (new_bounds.x() > work_area.right() - kMinimumOnScreenArea) {
-        int width = new_bounds.right() - work_area.right() +
-                    kMinimumOnScreenArea;
-        new_bounds.set_x(work_area.right() - kMinimumOnScreenArea);
+      } else if (new_bounds.x() >
+                 work_area.right() - wm::kMinimumOnScreenArea) {
+        int width =
+            new_bounds.right() - work_area.right() + wm::kMinimumOnScreenArea;
+        new_bounds.set_x(work_area.right() - wm::kMinimumOnScreenArea);
         new_bounds.set_width(width);
       }
     }
     if (details().size_change_direction & kBoundsChangeDirection_Vertical) {
       if (!IsBottomEdge(details().window_component) &&
-          new_bounds.y() > work_area.bottom() - kMinimumOnScreenArea) {
-        int height = new_bounds.bottom() - work_area.bottom() +
-                     kMinimumOnScreenArea;
-        new_bounds.set_y(work_area.bottom() - kMinimumOnScreenArea);
+          new_bounds.y() > work_area.bottom() - wm::kMinimumOnScreenArea) {
+        int height =
+            new_bounds.bottom() - work_area.bottom() + wm::kMinimumOnScreenArea;
+        new_bounds.set_y(work_area.bottom() - wm::kMinimumOnScreenArea);
         new_bounds.set_height(height);
       } else if (details().window_component == HTBOTTOM ||
                  details().window_component == HTBOTTOMRIGHT ||
@@ -218,7 +221,7 @@ gfx::Rect WindowResizer::CalculateBoundsForDrag(
 
     gfx::Rect screen_work_area = display.work_area();
     screen_work_area.Union(dock_layout->docked_bounds());
-    screen_work_area.Inset(kMinimumOnScreenArea, 0);
+    screen_work_area.Inset(wm::kMinimumOnScreenArea, 0);
     gfx::Rect new_bounds_in_screen =
         ScreenUtil::ConvertRectToScreen(parent, new_bounds);
     if (!screen_work_area.Intersects(new_bounds_in_screen)) {