Remove unused function OverviewWindowDragController::GetGridBounds

Change-Id: I543f2206d7c3ab0ef32433f98139ea052bd93bd5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1761318Reviewed-by: Sammie Quon <sammiequon@chromium.org>
Commit-Queue: Avery Musbach <amusbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#688283}

ash/wm/overview/overview_window_drag_controller.cc

@@ -661,26 +661,6 @@ SplitViewController::SnapPosition OverviewWindowDragController::GetSnapPosition(
   }
 }
 
-gfx::Rect OverviewWindowDragController::GetGridBounds(
-    SplitViewController::SnapPosition snap_position) {
-  aura::Window* pending_snapped_window = item_->GetWindow();
-  switch (snap_position) {
-    case SplitViewController::NONE:
-      return gfx::Rect(
-          screen_util::GetDisplayWorkAreaBoundsInParentForActiveDeskContainer(
-              pending_snapped_window));
-    case SplitViewController::LEFT:
-      return split_view_controller_->GetSnappedWindowBoundsInScreen(
-          pending_snapped_window, SplitViewController::RIGHT);
-    case SplitViewController::RIGHT:
-      return split_view_controller_->GetSnappedWindowBoundsInScreen(
-          pending_snapped_window, SplitViewController::LEFT);
-  }
-
-  NOTREACHED();
-  return gfx::Rect();
-}
-
 void OverviewWindowDragController::SnapWindow(
     SplitViewController::SnapPosition snap_position) {
   DCHECK_NE(snap_position, SplitViewController::NONE);

ash/wm/overview/overview_window_drag_controller.h

@@ -111,9 +111,6 @@ class ASH_EXPORT OverviewWindowDragController {
   SplitViewController::SnapPosition GetSnapPosition(
       const gfx::PointF& location_in_screen) const;
 
-  // Returns the expected window grid bounds based on |snap_position|.
-  gfx::Rect GetGridBounds(SplitViewController::SnapPosition snap_position);
-
   void SnapWindow(SplitViewController::SnapPosition snap_position);
 
   OverviewSession* overview_session_;