Removes most of aura dependencies from DefaultState

ash/wm/common/window_positioning_utils.h

Index: ash/wm/common/window_positioning_utils.h
diff --git a/ash/wm/common/window_positioning_utils.h b/ash/wm/common/window_positioning_utils.h
index 8145082f7890b79376a36c4ae49abb42ceab3a2b..b0ad13501500bd58984b5c76de87bc0ec4c379ee 100644
--- a/ash/wm/common/window_positioning_utils.h
+++ b/ash/wm/common/window_positioning_utils.h
@@ -15,6 +15,8 @@ class Size;
 namespace ash {
 namespace wm {
 
+class WmWindow;
+
 // We force at least this many DIPs for any window on the screen.
 const int kMinimumOnScreenArea = 25;
 
@@ -38,6 +40,16 @@ ASH_EXPORT void AdjustBoundsToEnsureMinimumWindowVisibility(
     const gfx::Rect& visible_area,
     gfx::Rect* bounds);
 
+// Returns the bounds of a left snapped window with default width in parent
+// coordinates.
+ASH_EXPORT gfx::Rect GetDefaultLeftSnappedWindowBoundsInParent(
+    WmWindow* window);
+
+// Returns the bounds of a right snapped window with default width in parent
+// coordinates.
+ASH_EXPORT gfx::Rect GetDefaultRightSnappedWindowBoundsInParent(
+    WmWindow* window);
+
 }  // namespace wm
 }  // namespace ash