Replace WM shadow types (on/off) and styles (small/inactive/active)

ui/wm/core/shadow_types.cc

Index: ui/wm/core/shadow_types.cc
diff --git a/ui/wm/core/shadow_types.cc b/ui/wm/core/shadow_types.cc
index a7afe89b50d6646b193a8be78cfe0fbf50d3f510..37720ec23069a18c25cd1200137dc9b27ab19040 100644
--- a/ui/wm/core/shadow_types.cc
+++ b/ui/wm/core/shadow_types.cc
@@ -6,18 +6,20 @@
 
 #include "ui/aura/window_property.h"
 
-DECLARE_WINDOW_PROPERTY_TYPE(wm::ShadowType);
+DECLARE_WINDOW_PROPERTY_TYPE(wm::ShadowElevation);
 
 namespace wm {
 
-void SetShadowType(aura::Window* window, ShadowType shadow_type) {
-  window->SetProperty(kShadowTypeKey, shadow_type);
+void SetShadowElevation(aura::Window* window, ShadowElevation shadow_type) {
+  window->SetProperty(kShadowElevationKey, shadow_type);
 }
 
-ShadowType GetShadowType(aura::Window* window) {
-  return window->GetProperty(kShadowTypeKey);
+ShadowElevation GetShadowElevation(aura::Window* window) {
+  return window->GetProperty(kShadowElevationKey);
 }
 
-DEFINE_WINDOW_PROPERTY_KEY(ShadowType, kShadowTypeKey, SHADOW_TYPE_NONE);
+DEFINE_WINDOW_PROPERTY_KEY(ShadowElevation,
+                           kShadowElevationKey,
+                           ShadowElevation::NONE);
 
 }  // namespace wm