mash: wires up shadows for mash

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 8d133412465babd148bff7cff07089e9218726c2..bf08bbec57e5b72081f292049f2ed898906fac4c 100644
--- a/ui/wm/core/shadow_types.cc
+++ b/ui/wm/core/shadow_types.cc
@@ -6,20 +6,16 @@
 
 #include "ui/base/class_property.h"
 
-DECLARE_UI_CLASS_PROPERTY_TYPE(::wm::ShadowElevation);
+DECLARE_EXPORTED_UI_CLASS_PROPERTY_TYPE(WM_EXPORT, ::wm::ShadowElevation);
 
 namespace wm {
 
-void SetShadowElevation(aura::Window* window, ShadowElevation shadow_type) {
-  window->SetProperty(kShadowElevationKey, shadow_type);
-}
+DEFINE_UI_CLASS_PROPERTY_KEY(ShadowElevation,
+                             kShadowElevationKey,
+                             ShadowElevation::DEFAULT);
 
-ShadowElevation GetShadowElevation(aura::Window* window) {
-  return window->GetProperty(kShadowElevationKey);
+void SetShadowElevation(aura::Window* window, ShadowElevation elevation) {
+  window->SetProperty(kShadowElevationKey, elevation);
 }
 
-DEFINE_UI_CLASS_PROPERTY_KEY(ShadowElevation,
-                          kShadowElevationKey,
-                          ShadowElevation::NONE);
-
 }  // namespace wm