wm: Do not resize when switching users if window is already maximized.

chrome/browser/ui/ash/multi_user/user_switch_animator_chromeos.cc

Index: chrome/browser/ui/ash/multi_user/user_switch_animator_chromeos.cc
diff --git a/chrome/browser/ui/ash/multi_user/user_switch_animator_chromeos.cc b/chrome/browser/ui/ash/multi_user/user_switch_animator_chromeos.cc
index c4935d7a3b700b6449410863c525d300836f1b69..606071ef4c8e0e35afb224d64d29f426b95c6ca1 100644
--- a/chrome/browser/ui/ash/multi_user/user_switch_animator_chromeos.cc
+++ b/chrome/browser/ui/ash/multi_user/user_switch_animator_chromeos.cc
@@ -142,7 +142,7 @@ bool UserSwitchAnimatorChromeOS::CoversScreen(aura::Window* window) {
   // area.
   if (ash::wm::GetWindowState(window)->IsFullscreen())
     return true;
-  gfx::Rect bounds = window->GetBoundsInRootWindow();
+  gfx::Rect bounds = window->GetBoundsInScreen();
   gfx::Rect work_area =
       display::Screen::GetScreen()->GetDisplayNearestWindow(window).work_area();
   bounds.Intersect(work_area);