[Cleanup] Rename WindowSettings to WindowState

ash/wm/workspace/snap_sizer.cc

Index: ash/wm/workspace/snap_sizer.cc
diff --git a/ash/wm/workspace/snap_sizer.cc b/ash/wm/workspace/snap_sizer.cc
index e4bdaf7b3fcc20d44a3a68a3bd602c74082aab55..d5552ec570c34df71cbf12f13356a6cec61944e0 100644
--- a/ash/wm/workspace/snap_sizer.cc
+++ b/ash/wm/workspace/snap_sizer.cc
@@ -8,8 +8,8 @@
 
 #include "ash/ash_switches.h"
 #include "ash/screen_ash.h"
-#include "ash/wm/property_util.h"
 #include "ash/wm/window_resizer.h"
+#include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_delegate.h"
@@ -149,21 +149,23 @@ SnapSizer::~SnapSizer() {
 }
 
 void SnapSizer::SnapWindow(aura::Window* window, SnapSizer::Edge edge) {
-  if (!wm::CanSnapWindow(window))
+  wm::WindowState* window_state = wm::GetWindowState(window);
+  if (!window_state->CanSnap())
     return;
   internal::SnapSizer sizer(window, gfx::Point(), edge,
       internal::SnapSizer::OTHER_INPUT);
-  if (wm::IsWindowFullscreen(window) || wm::IsWindowMaximized(window)) {
+  if (window_state->IsMaximizedOrFullscreen()) {
     // Before we can set the bounds we need to restore the window.
     // Restoring the window will set the window to its restored bounds.
     // To avoid an unnecessary bounds changes (which may have side effects)
     // we set the restore bounds to the bounds we want, restore the window,
     // then reset the restore bounds. This way no unnecessary bounds
     // changes occurs and the original restore bounds is remembered.
-    gfx::Rect restore = *GetRestoreBoundsInScreen(window);
-    SetRestoreBoundsInParent(window, sizer.GetSnapBounds(window->bounds()));
-    wm::RestoreWindow(window);
-    SetRestoreBoundsInScreen(window, restore);
+    const gfx::Rect& restore = window_state->GetRestoreBoundsInScreen();
+    window_state->SetRestoreBoundsInParent(
+        sizer.GetSnapBounds(window->bounds()));
+    window_state->Restore();
+    window_state->SetRestoreBoundsInScreen(restore);
   } else {
     window->SetBounds(sizer.GetSnapBounds(window->bounds()));
   }