Introduce a RandonNumberGenerator class. Refactor the random/private_random uses in Isolate/Context.

src/objects.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 4701 matching lines @@
 
 
 Smi* JSReceiver::GenerateIdentityHash() {
   Isolate* isolate = GetIsolate();
 
   int hash_value;
   int attempts = 0;
   do {
     // Generate a random 32-bit hash value but limit range to fit
     // within a smi.
-    hash_value = V8::RandomPrivate(isolate) & Smi::kMaxValue;
+    hash_value = isolate->random_number_generator()->NextInt() & Smi::kMaxValue;
     attempts++;
   } while (hash_value == 0 && attempts < 30);
   hash_value = hash_value != 0 ? hash_value : 1;  // never return 0
 
   return Smi::FromInt(hash_value);
 }
 
 
 void JSObject::SetIdentityHash(Handle<JSObject> object, Smi* hash) {
   CALL_HEAP_FUNCTION_VOID(object->GetIsolate(),
@@ skipping 11320 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal