[Cleanup] Rename WindowSettings to WindowState

ash/wm/panels/panel_window_resizer.cc

Index: ash/wm/panels/panel_window_resizer.cc
diff --git a/ash/wm/panels/panel_window_resizer.cc b/ash/wm/panels/panel_window_resizer.cc
index 606a7e81406a2cdc3fb14804c36eaaa41a6d72a4..dcd45595a0596a0f4cea45d33cd853ddd18ebcd6 100644
--- a/ash/wm/panels/panel_window_resizer.cc
+++ b/ash/wm/panels/panel_window_resizer.cc
@@ -13,8 +13,7 @@
 #include "ash/shell_window_ids.h"
 #include "ash/wm/coordinate_conversion.h"
 #include "ash/wm/panels/panel_layout_manager.h"
-#include "ash/wm/property_util.h"
-#include "ash/wm/window_settings.h"
+#include "ash/wm/window_state.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/env.h"
@@ -130,7 +129,7 @@ PanelWindowResizer::PanelWindowResizer(WindowResizer* next_window_resizer,
       panel_container_(NULL),
       initial_panel_container_(NULL),
       did_move_or_resize_(false),
-      was_attached_(wm::GetWindowSettings(GetTarget())->panel_attached()),
+      was_attached_(wm::GetWindowState(GetTarget())->panel_attached()),
       should_attach_(was_attached_),
       weak_ptr_factory_(this) {
   DCHECK(details_.is_resizable);
@@ -191,8 +190,8 @@ void PanelWindowResizer::StartedDragging() {
     GetPanelLayoutManager(panel_container_)->StartDragging(GetTarget());
   if (!was_attached_) {
     // Attach the panel while dragging placing it in front of other panels.
-    wm::GetWindowSettings(GetTarget())->set_continue_drag_after_reparent(true);
-    wm::GetWindowSettings(GetTarget())->set_panel_attached(true);
+    wm::GetWindowState(GetTarget())->set_continue_drag_after_reparent(true);
+    wm::GetWindowState(GetTarget())->set_panel_attached(true);
     // We use root window coordinates to ensure that during the drag the panel
     // is reparented to a container in the root window that has that window.
     GetTarget()->SetDefaultParentByRootWindow(
@@ -204,8 +203,8 @@ void PanelWindowResizer::StartedDragging() {
 void PanelWindowResizer::FinishDragging() {
   if (!did_move_or_resize_)
     return;
-  if (wm::GetWindowSettings(GetTarget())->panel_attached() != should_attach_) {
-    wm::GetWindowSettings(GetTarget())->set_panel_attached(should_attach_);
+  if (wm::GetWindowState(GetTarget())->panel_attached() != should_attach_) {
+    wm::GetWindowState(GetTarget())->set_panel_attached(should_attach_);
     // We use last known location to ensure that after the drag the panel
     // is reparented to a container in the root window that has that location.
     GetTarget()->SetDefaultParentByRootWindow(