Refactor only: Rename JSGlobaPropertyCell to PropertyCell

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 87117643d8b8d935e155407d397ef42f6e8e6ffb..c26dd436d9f72a66b27a9d45392ca48b2b1caac7 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -4514,7 +4514,7 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_KeyedGetProperty) {
             (dictionary->DetailsAt(entry).type() == NORMAL)) {
           Object* value = dictionary->ValueAt(entry);
           if (!receiver->IsGlobalObject()) return value;
-          value = JSGlobalPropertyCell::cast(value)->value();
+          value = PropertyCell::cast(value)->value();
           if (!value->IsTheHole()) return value;
           // If value is the hole do the general lookup.
         }