Refactor only: Rename JSGlobaPropertyCell to PropertyCell

src/spaces.h

Index: src/spaces.h
diff --git a/src/spaces.h b/src/spaces.h
index ca61081ded8ae4f71e8a9cd4b336fb8cb240255a..e3aaf370147e5284676ff2cf99aa36f61b3406e7 100644
--- a/src/spaces.h
+++ b/src/spaces.h
@@ -2659,14 +2659,14 @@ class PropertyCellSpace : public FixedSpace {
   // Creates a property cell space object with a maximum capacity.
   PropertyCellSpace(Heap* heap, intptr_t max_capacity,
                     AllocationSpace id)
-      : FixedSpace(heap, max_capacity, id, JSGlobalPropertyCell::kSize)
+      : FixedSpace(heap, max_capacity, id, PropertyCell::kSize)
   {}
 
   virtual int RoundSizeDownToObjectAlignment(int size) {
-    if (IsPowerOf2(JSGlobalPropertyCell::kSize)) {
-      return RoundDown(size, JSGlobalPropertyCell::kSize);
+    if (IsPowerOf2(PropertyCell::kSize)) {
+      return RoundDown(size, PropertyCell::kSize);
     } else {
-      return (size / JSGlobalPropertyCell::kSize) * JSGlobalPropertyCell::kSize;
+      return (size / PropertyCell::kSize) * PropertyCell::kSize;
     }
   }