[Cleanup] Rename WindowSettings to WindowState

ash/wm/workspace/workspace_window_resizer.h

Index: ash/wm/workspace/workspace_window_resizer.h
diff --git a/ash/wm/workspace/workspace_window_resizer.h b/ash/wm/workspace/workspace_window_resizer.h
index d678e12b5fe8349a04f6fa2f813d3eb0529daa02..1cd0942c4ba42eff2be073b1b7d085d0eecdf761 100644
--- a/ash/wm/workspace/workspace_window_resizer.h
+++ b/ash/wm/workspace/workspace_window_resizer.h
@@ -17,6 +17,10 @@
 #include "ui/aura/window_tracker.h"
 
 namespace ash {
+namespace wm {
+class WindowState;
+}
+
 namespace internal {
 
 class DockedWindowLayoutManager;
@@ -163,6 +167,8 @@ class ASH_EXPORT WorkspaceWindowResizer : public WindowResizer {
 
   aura::Window* window() const { return details_.window; }
 
+  wm::WindowState* window_state() { return details_.window_state; }
+
   const Details details_;
 
   const std::vector<aura::Window*> attached_windows_;