Revert of track global accesses to constant types

src/property-details.h

Index: src/property-details.h
diff --git a/src/property-details.h b/src/property-details.h
index 791eb524c77c40e9f1230657c2d9d84cfadcb7df..517e7a9641fb7615f59beb6242868a9df4aa38da 100644
--- a/src/property-details.h
+++ b/src/property-details.h
@@ -186,24 +186,12 @@
 
 
 enum class PropertyCellType {
-  // Meaningful when a property cell does not contain the hole.
-  kUndefined,     // The PREMONOMORPHIC of property cells.
-  kConstant,      // Cell has been assigned only once.
-  kConstantType,  // Cell has been assigned only one type.
-  kMutable,       // Cell will no longer be tracked as constant.
-
-  // Meaningful when a property cell contains the hole.
-  kUninitialized = kUndefined,  // Cell has never been initialized.
-  kInvalidated = kConstant,     // Cell has been deleted or invalidated.
-
-  // For dictionaries not holding cells.
-  kNoCell = kMutable,
-};
-
-
-enum class PropertyCellConstantType {
-  kSmi,
-  kStableMap,
+  kUninitialized,        // Cell is deleted or not yet defined.
+  kUndefined,            // The PREMONOMORPHIC of property cells.
+  kConstant,             // Cell has been assigned only once.
+  kMutable,              // Cell will no longer be tracked as constant.
+  kDeleted = kConstant,  // like kUninitialized, but for cells already deleted.
+  kInvalid = kMutable,   // For dictionaries not holding cells.
 };
 
 
@@ -241,7 +229,7 @@
   }
 
   static PropertyDetails Empty() {
-    return PropertyDetails(NONE, DATA, 0, PropertyCellType::kNoCell);
+    return PropertyDetails(NONE, DATA, 0, PropertyCellType::kInvalid);
   }
 
   int pointer() const { return DescriptorPointer::decode(value_); }