fix nosnapshot test failure in 14793004, do not deprecate function

test/cctest/test-regexp.cc

 // Copyright 2012 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 693 matching lines @@
 typedef RegExpMacroAssemblerX64 ArchRegExpMacroAssembler;
 #elif V8_TARGET_ARCH_ARM
 typedef RegExpMacroAssemblerARM ArchRegExpMacroAssembler;
 #elif V8_TARGET_ARCH_MIPS
 typedef RegExpMacroAssemblerMIPS ArchRegExpMacroAssembler;
 #endif
 
 class ContextInitializer {
  public:
   ContextInitializer()
-      : env_(),
-        scope_(v8::Isolate::GetCurrent()),
+      : scope_(v8::Isolate::GetCurrent()),
+        env_(v8::Context::New(v8::Isolate::GetCurrent())),
         zone_(Isolate::Current()->runtime_zone(), DELETE_ON_EXIT) {
-    env_ = v8::Context::New();
     env_->Enter();
   }
   ~ContextInitializer() {
     env_->Exit();
-    env_.Dispose(env_->GetIsolate());
   }
  private:
-  v8::Persistent<v8::Context> env_;
   v8::HandleScope scope_;
+  v8::Handle<v8::Context> env_;
   v8::internal::ZoneScope zone_;
 };
 
 
 static ArchRegExpMacroAssembler::Result Execute(Code* code,
                                                 String* input,
                                                 int start_offset,
                                                 const byte* input_start,
                                                 const byte* input_end,
                                                 int* captures) {
@@ skipping 1068 matching lines @@
   ZoneList<CharacterRange> first_only(4, Isolate::Current()->runtime_zone());
   ZoneList<CharacterRange> second_only(4, Isolate::Current()->runtime_zone());
   ZoneList<CharacterRange> both(4, Isolate::Current()->runtime_zone());
 }
 
 
 TEST(Graph) {
   V8::Initialize(NULL);
   Execute("\\b\\w+\\b", false, true, true);
 }