Moved access checks out of Dictionary class.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index bdc5d97cdab6ad82347651bf4899059115f95e9d..6dc9dd0f35aa5332700b3b13ed277bbea0169b92 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2914,18 +2914,8 @@ class Dictionary: public HashTable<Shape, Key> {
   }
 
   // Set the value for entry.
-  // Returns false if the put wasn't performed due to property being read only.
-  // Returns true on successful put.
-  bool ValueAtPut(int entry, Object* value) {
-    // Check that this value can actually be written.
-    PropertyDetails details = DetailsAt(entry);
-    // If a value has not been initilized we allow writing to it even if
-    // it is read only (a declared const that has not been initialized).
-    if (details.IsReadOnly() && !ValueAt(entry)->IsTheHole()) {
-      return false;
-    }
+  void ValueAtPut(int entry, Object* value) {
     this->set(HashTable<Shape, Key>::EntryToIndex(entry) + 1, value);
-    return true;
   }
 
   // Returns the property details for the property at entry.