Remove usage of deprecated APIs from cctests

test/cctest/test-api.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 70 matching lines @@
   static void Test##Name();                                          \
   TEST(Name##WithProfiler) {                                         \
     RunWithProfiler(&Test##Name);                                    \
   }                                                                  \
   THREADED_TEST(Name)
 
 
 void RunWithProfiler(void (*test)()) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
-  v8::Local<v8::String> profile_name = v8::String::New("my_profile1");
+  v8::Local<v8::String> profile_name =
+      v8::String::NewFromUtf8(env->GetIsolate(), "my_profile1");
   v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
 
   cpu_profiler->StartCpuProfiling(profile_name);
   (*test)();
   cpu_profiler->DeleteAllCpuProfiles();
 }
 
 
 static void ExpectString(const char* code, const char* expected) {
   Local<Value> result = CompileRun(code);
@@ skipping 93 matching lines @@
 
   // Local context should still be live.
   CHECK(!local_env.IsEmpty());
   local_env->Enter();
 
   v8::Handle<v8::Primitive> undef = v8::Undefined(CcTest::isolate());
   CHECK(!undef.IsEmpty());
   CHECK(undef->IsUndefined());
 
   const char* c_source = "1 + 2 + 3";
-  Local<String> source = String::New(c_source);
+  Local<String> source = String::NewFromUtf8(CcTest::isolate(), c_source);
   Local<Script> script = Script::Compile(source);
   CHECK_EQ(6, script->Run()->Int32Value());
 
   local_env->Exit();
 }
 
 
 THREADED_TEST(IsolateOfContext) {
   v8::HandleScope scope(CcTest::isolate());
   v8::Handle<Context> env = Context::New(CcTest::isolate());
 
-  CHECK(!env->InContext());
+  CHECK(!env->GetIsolate()->InContext());
   CHECK(env->GetIsolate() == CcTest::isolate());
   env->Enter();
-  CHECK(env->InContext());
+  CHECK(env->GetIsolate()->InContext());
   CHECK(env->GetIsolate() == CcTest::isolate());
   env->Exit();
-  CHECK(!env->InContext());
+  CHECK(!env->GetIsolate()->InContext());
   CHECK(env->GetIsolate() == CcTest::isolate());
 }
 
 
 static void TestSignature(const char* loop_js, Local<Value> receiver) {
   i::ScopedVector<char> source(200);
   i::OS::SNPrintF(source,
                   "for (var i = 0; i < 10; i++) {"
                   "  %s"
                   "}",
@@ skipping 193 matching lines @@
   Local<v8::Array> value = CompileRun("[\"a\", \"b\"]").As<v8::Array>();
   CHECK_EQ(v8_str("a"), value->Get(0));
   CHECK_EQ(v8_str("b"), value->Get(1));
 }
 
 
 THREADED_TEST(Script) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   const char* c_source = "1 + 2 + 3";
-  Local<String> source = String::New(c_source);
+  Local<String> source = String::NewFromUtf8(env->GetIsolate(), c_source);
   Local<Script> script = Script::Compile(source);
   CHECK_EQ(6, script->Run()->Int32Value());
 }
 
 
 static uint16_t* AsciiToTwoByteString(const char* source) {
   int array_length = i::StrLength(source) + 1;
   uint16_t* converted = i::NewArray<uint16_t>(array_length);
   for (int i = 0; i < array_length; i++) converted[i] = source[i];
   return converted;
@@ skipping 107 matching lines @@
   CHECK_EQ(1, dispose_count);
 }
 
 
 THREADED_TEST(ScriptMakingExternalString) {
   int dispose_count = 0;
   uint16_t* two_byte_source = AsciiToTwoByteString("1 + 2 * 3");
   {
     LocalContext env;
     v8::HandleScope scope(env->GetIsolate());
-    Local<String> source = String::New(two_byte_source);
+    Local<String> source =
+        String::NewFromTwoByte(env->GetIsolate(), two_byte_source);
     // Trigger GCs so that the newly allocated string moves to old gen.
     CcTest::heap()->CollectGarbage(i::NEW_SPACE);  // in survivor space now
     CcTest::heap()->CollectGarbage(i::NEW_SPACE);  // in old gen now
     CHECK_EQ(source->IsExternal(), false);
     CHECK_EQ(source->IsExternalAscii(), false);
     String::Encoding encoding = String::UNKNOWN_ENCODING;
     CHECK_EQ(NULL, source->GetExternalStringResourceBase(&encoding));
     CHECK_EQ(String::ASCII_ENCODING, encoding);
     bool success = source->MakeExternal(new TestResource(two_byte_source,
                                                          &dispose_count));
@@ skipping 39 matching lines @@
 
 TEST(MakingExternalStringConditions) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
   // Free some space in the new space so that we can check freshness.
   CcTest::heap()->CollectGarbage(i::NEW_SPACE);
   CcTest::heap()->CollectGarbage(i::NEW_SPACE);
 
   uint16_t* two_byte_string = AsciiToTwoByteString("s1");
-  Local<String> small_string = String::New(two_byte_string);
+  Local<String> small_string =
+      String::NewFromTwoByte(env->GetIsolate(), two_byte_string);
   i::DeleteArray(two_byte_string);
 
   // We should refuse to externalize newly created small string.
   CHECK(!small_string->CanMakeExternal());
   // Trigger GCs so that the newly allocated string moves to old gen.
   CcTest::heap()->CollectGarbage(i::NEW_SPACE);  // in survivor space now
   CcTest::heap()->CollectGarbage(i::NEW_SPACE);  // in old gen now
   // Old space strings should be accepted.
   CHECK(small_string->CanMakeExternal());
 
   two_byte_string = AsciiToTwoByteString("small string 2");
-  small_string = String::New(two_byte_string);
+  small_string = String::NewFromTwoByte(env->GetIsolate(), two_byte_string);
   i::DeleteArray(two_byte_string);
 
   // We should refuse externalizing newly created small string.
   CHECK(!small_string->CanMakeExternal());
   for (int i = 0; i < 100; i++) {
     String::Value value(small_string);
   }
   // Frequently used strings should be accepted.
   CHECK(small_string->CanMakeExternal());
 
   const int buf_size = 10 * 1024;
   char* buf = i::NewArray<char>(buf_size);
   memset(buf, 'a', buf_size);
   buf[buf_size - 1] = '\0';
 
   two_byte_string = AsciiToTwoByteString(buf);
-  Local<String> large_string = String::New(two_byte_string);
+  Local<String> large_string =
+      String::NewFromTwoByte(env->GetIsolate(), two_byte_string);
   i::DeleteArray(buf);
   i::DeleteArray(two_byte_string);
   // Large strings should be immediately accepted.
   CHECK(large_string->CanMakeExternal());
 }
 
 
 TEST(MakingExternalAsciiStringConditions) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
   // Free some space in the new space so that we can check freshness.
   CcTest::heap()->CollectGarbage(i::NEW_SPACE);
   CcTest::heap()->CollectGarbage(i::NEW_SPACE);
 
-  Local<String> small_string = String::New("s1");
+  Local<String> small_string = String::NewFromUtf8(env->GetIsolate(), "s1");
   // We should refuse to externalize newly created small string.
   CHECK(!small_string->CanMakeExternal());
   // Trigger GCs so that the newly allocated string moves to old gen.
   CcTest::heap()->CollectGarbage(i::NEW_SPACE);  // in survivor space now
   CcTest::heap()->CollectGarbage(i::NEW_SPACE);  // in old gen now
   // Old space strings should be accepted.
   CHECK(small_string->CanMakeExternal());
 
-  small_string = String::New("small string 2");
+  small_string = String::NewFromUtf8(env->GetIsolate(), "small string 2");
   // We should refuse externalizing newly created small string.
   CHECK(!small_string->CanMakeExternal());
   for (int i = 0; i < 100; i++) {
     String::Value value(small_string);
   }
   // Frequently used strings should be accepted.
   CHECK(small_string->CanMakeExternal());
 
   const int buf_size = 10 * 1024;
   char* buf = i::NewArray<char>(buf_size);
   memset(buf, 'a', buf_size);
   buf[buf_size - 1] = '\0';
-  Local<String> large_string = String::New(buf);
+  Local<String> large_string = String::NewFromUtf8(env->GetIsolate(), buf);
   i::DeleteArray(buf);
   // Large strings should be immediately accepted.
   CHECK(large_string->CanMakeExternal());
 }
 
 
 TEST(MakingExternalUnalignedAsciiString) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
@@ skipping 189 matching lines @@
     const char* one_byte_string_1 = "function a_times_t";
     const char* two_byte_string_1 = "wo_plus_b(a, b) {return ";
     const char* one_byte_extern_1 = "a * 2 + b;} a_times_two_plus_b(4, 8) + ";
     const char* two_byte_extern_1 = "a_times_two_plus_b(4, 8) + ";
     const char* one_byte_string_2 = "a_times_two_plus_b(4, 8) + ";
     const char* two_byte_string_2 = "a_times_two_plus_b(4, 8) + ";
     const char* two_byte_extern_2 = "a_times_two_plus_b(1, 2);";
     Local<String> left = v8_str(one_byte_string_1);
 
     uint16_t* two_byte_source = AsciiToTwoByteString(two_byte_string_1);
-    Local<String> right = String::New(two_byte_source);
+    Local<String> right =
+        String::NewFromTwoByte(env->GetIsolate(), two_byte_source);
     i::DeleteArray(two_byte_source);
 
     Local<String> source = String::Concat(left, right);
     right = String::NewExternal(
         new TestAsciiResource(i::StrDup(one_byte_extern_1)));
     source = String::Concat(source, right);
     right = String::NewExternal(
         new TestResource(AsciiToTwoByteString(two_byte_extern_1)));
     source = String::Concat(source, right);
     right = v8_str(one_byte_string_2);
     source = String::Concat(source, right);
 
     two_byte_source = AsciiToTwoByteString(two_byte_string_2);
-    right = String::New(two_byte_source);
+    right = String::NewFromTwoByte(env->GetIsolate(), two_byte_source);
     i::DeleteArray(two_byte_source);
 
     source = String::Concat(source, right);
     right = String::NewExternal(
         new TestResource(AsciiToTwoByteString(two_byte_extern_2)));
     source = String::Concat(source, right);
     Local<Script> script = Script::Compile(source);
     Local<Value> value = script->Run();
     CHECK(value->IsNumber());
     CHECK_EQ(68, value->Int32Value());
@@ skipping 1588 matching lines @@
   global->SetInternalField(0, v8_num(17));
   CHECK_EQ(17, global->GetInternalField(0)->Int32Value());
 }
 
 
 THREADED_TEST(GlobalObjectHasRealIndexedProperty) {
   LocalContext env;
   v8::HandleScope scope(CcTest::isolate());
 
   v8::Local<v8::Object> global = env->Global();
-  global->Set(0, v8::String::New("value"));
+  global->Set(0, v8::String::NewFromUtf8(CcTest::isolate(), "value"));
   CHECK(global->HasRealIndexedProperty(0));
 }
 
 
 static void CheckAlignedPointerInInternalField(Handle<v8::Object> obj,
                                                void* value) {
   CHECK_EQ(0, static_cast<int>(reinterpret_cast<uintptr_t>(value) & 0x1));
   obj->SetAlignedPointerInInternalField(0, value);
   CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(value, obj->GetAlignedPointerFromInternalField(0));
@@ skipping 71 matching lines @@
                               v8::Handle<Value> data) {
   (*env)->SetEmbedderData(index, data);
   CHECK((*env)->GetEmbedderData(index)->StrictEquals(data));
 }
 
 
 THREADED_TEST(EmbedderData) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
-  CheckEmbedderData(&env, 3, v8::String::New("The quick brown fox jumps"));
-  CheckEmbedderData(&env, 2, v8::String::New("over the lazy dog."));
+  CheckEmbedderData(
+      &env, 3,
+      v8::String::NewFromUtf8(env->GetIsolate(), "The quick brown fox jumps"));
+  CheckEmbedderData(&env, 2, v8::String::NewFromUtf8(env->GetIsolate(),
+                                                     "over the lazy dog."));
   CheckEmbedderData(&env, 1, v8::Number::New(1.2345));
   CheckEmbedderData(&env, 0, v8::Boolean::New(true));
 }
 
 
 THREADED_TEST(IdentityHash) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
   // Ensure that the test starts with an fresh heap to test whether the hash
@@ skipping 56 matching lines @@
 
   CHECK(sym1->Equals(sym1));
   CHECK(sym2->Equals(sym2));
   CHECK(!sym1->Equals(sym2));
   CHECK(!sym2->Equals(sym1));
   CHECK(sym1->StrictEquals(sym1));
   CHECK(sym2->StrictEquals(sym2));
   CHECK(!sym1->StrictEquals(sym2));
   CHECK(!sym2->StrictEquals(sym1));
 
-  CHECK(sym2->Name()->Equals(v8::String::New("my-symbol")));
+  CHECK(sym2->Name()->Equals(v8::String::NewFromUtf8(isolate, "my-symbol")));
 
   v8::Local<v8::Value> sym_val = sym2;
   CHECK(sym_val->IsSymbol());
   CHECK(sym_val->Equals(sym2));
   CHECK(sym_val->StrictEquals(sym2));
   CHECK(v8::Symbol::Cast(*sym_val)->Equals(sym2));
 
   v8::Local<v8::Value> sym_obj = v8::SymbolObject::New(isolate, sym2);
   CHECK(sym_obj->IsSymbolObject());
   CHECK(!sym2->IsSymbolObject());
@@ skipping 10 matching lines @@
   CHECK(obj->Set(sym1, v8::Integer::New(1503)));
   CHECK(obj->Has(sym1));
   CHECK_EQ(1503, obj->Get(sym1)->Int32Value());
   CHECK(obj->Set(sym1, v8::Integer::New(2002)));
   CHECK(obj->Has(sym1));
   CHECK_EQ(2002, obj->Get(sym1)->Int32Value());
   CHECK_EQ(v8::None, obj->GetPropertyAttributes(sym1));
 
   CHECK_EQ(0, obj->GetOwnPropertyNames()->Length());
   int num_props = obj->GetPropertyNames()->Length();
-  CHECK(obj->Set(v8::String::New("bla"), v8::Integer::New(20)));
+  CHECK(
+      obj->Set(v8::String::NewFromUtf8(isolate, "bla"), v8::Integer::New(20)));
   CHECK_EQ(1, obj->GetOwnPropertyNames()->Length());
   CHECK_EQ(num_props + 1, obj->GetPropertyNames()->Length());
 
   CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
 
   // Add another property and delete it afterwards to force the object in
   // slow case.
   CHECK(obj->Set(sym2, v8::Integer::New(2008)));
   CHECK_EQ(2002, obj->Get(sym1)->Int32Value());
   CHECK_EQ(2008, obj->Get(sym2)->Int32Value());
@@ skipping 21 matching lines @@
   LocalContext env;
   v8::Isolate* isolate = env->GetIsolate();
   v8::HandleScope scope(isolate);
 
   v8::Local<v8::Object> obj = v8::Object::New();
   v8::Local<v8::Private> priv1 = v8::Private::New(isolate);
   v8::Local<v8::Private> priv2 = v8::Private::New(isolate, "my-private");
 
   CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
 
-  CHECK(priv2->Name()->Equals(v8::String::New("my-private")));
+  CHECK(priv2->Name()->Equals(v8::String::NewFromUtf8(isolate, "my-private")));
 
   // Make sure delete of a non-existent private symbol property works.
   CHECK(obj->DeletePrivate(priv1));
   CHECK(!obj->HasPrivate(priv1));
 
   CHECK(obj->SetPrivate(priv1, v8::Integer::New(1503)));
   CHECK(obj->HasPrivate(priv1));
   CHECK_EQ(1503, obj->GetPrivate(priv1)->Int32Value());
   CHECK(obj->SetPrivate(priv1, v8::Integer::New(2002)));
   CHECK(obj->HasPrivate(priv1));
   CHECK_EQ(2002, obj->GetPrivate(priv1)->Int32Value());
 
   CHECK_EQ(0, obj->GetOwnPropertyNames()->Length());
   int num_props = obj->GetPropertyNames()->Length();
-  CHECK(obj->Set(v8::String::New("bla"), v8::Integer::New(20)));
+  CHECK(
+      obj->Set(v8::String::NewFromUtf8(isolate, "bla"), v8::Integer::New(20)));
   CHECK_EQ(1, obj->GetOwnPropertyNames()->Length());
   CHECK_EQ(num_props + 1, obj->GetPropertyNames()->Length());
 
   CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
 
   // Add another property and delete it afterwards to force the object in
   // slow case.
   CHECK(obj->SetPrivate(priv2, v8::Integer::New(2008)));
   CHECK_EQ(2002, obj->GetPrivate(priv1)->Int32Value());
   CHECK_EQ(2008, obj->GetPrivate(priv2)->Int32Value());
@@ skipping 423 matching lines @@
   v8::Isolate* isolate = CcTest::isolate();
   v8::Persistent<String> global;
   {
     v8::HandleScope scope(isolate);
     global.Reset(isolate, v8_str("str"));
   }
   {
     v8::HandleScope scope(isolate);
     CHECK_EQ(v8::Local<String>::New(isolate, global)->Length(), 3);
   }
-  global.Dispose();
-  global.Clear();
+  global.Reset();
   {
     v8::HandleScope scope(isolate);
     global.Reset(isolate, v8_str("str"));
   }
   {
     v8::HandleScope scope(isolate);
     CHECK_EQ(v8::Local<String>::New(isolate, global)->Length(), 3);
   }
-  global.Dispose();
+  global.Reset();
 }
 
 
 THREADED_TEST(ResettingGlobalHandle) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::Persistent<String> global;
   {
     v8::HandleScope scope(isolate);
     global.Reset(isolate, v8_str("str"));
   }
   v8::internal::GlobalHandles* global_handles =
       reinterpret_cast<v8::internal::Isolate*>(isolate)->global_handles();
   int initial_handle_count = global_handles->global_handles_count();
   {
     v8::HandleScope scope(isolate);
     CHECK_EQ(v8::Local<String>::New(isolate, global)->Length(), 3);
   }
   {
     v8::HandleScope scope(isolate);
     global.Reset(isolate, v8_str("longer"));
   }
   CHECK_EQ(global_handles->global_handles_count(), initial_handle_count);
   {
     v8::HandleScope scope(isolate);
     CHECK_EQ(v8::Local<String>::New(isolate, global)->Length(), 6);
   }
-  global.Dispose();
+  global.Reset();
   CHECK_EQ(global_handles->global_handles_count(), initial_handle_count - 1);
 }
 
 
 THREADED_TEST(ResettingGlobalHandleToEmpty) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::Persistent<String> global;
   {
     v8::HandleScope scope(isolate);
     global.Reset(isolate, v8_str("str"));
   }
   v8::internal::GlobalHandles* global_handles =
       reinterpret_cast<v8::internal::Isolate*>(isolate)->global_handles();
   int initial_handle_count = global_handles->global_handles_count();
   {
     v8::HandleScope scope(isolate);
     CHECK_EQ(v8::Local<String>::New(isolate, global)->Length(), 3);
   }
   {
     v8::HandleScope scope(isolate);
     Local<String> empty;
     global.Reset(isolate, empty);
   }
   CHECK(global.IsEmpty());
   CHECK_EQ(global_handles->global_handles_count(), initial_handle_count - 1);
 }
 
 
-THREADED_TEST(ClearAndLeakGlobal) {
-  v8::Isolate* isolate = CcTest::isolate();
-  v8::internal::GlobalHandles* global_handles = NULL;
-  int initial_handle_count = 0;
-  v8::Persistent<String> global;
-  {
-    v8::HandleScope scope(isolate);
-    Local<String> str = v8_str("str");
-    global_handles =
-        reinterpret_cast<v8::internal::Isolate*>(isolate)->global_handles();
-    initial_handle_count = global_handles->global_handles_count();
-    global.Reset(isolate, str);
-  }
-  CHECK_EQ(global_handles->global_handles_count(), initial_handle_count + 1);
-  String* str = global.ClearAndLeak();
-  CHECK(global.IsEmpty());
-  CHECK_EQ(global_handles->global_handles_count(), initial_handle_count + 1);
-  global_handles->Destroy(reinterpret_cast<i::Object**>(str));
-  CHECK_EQ(global_handles->global_handles_count(), initial_handle_count);
-}
-
-
 THREADED_TEST(GlobalHandleUpcast) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
   v8::Local<String> local = v8::Local<String>::New(isolate, v8_str("str"));
   v8::Persistent<String> global_string(isolate, local);
   v8::Persistent<Value>& global_value =
       v8::Persistent<Value>::Cast(global_string);
   CHECK(v8::Local<v8::Value>::New(isolate, global_value)->IsString());
   CHECK(global_string == v8::Persistent<String>::Cast(global_value));
-  global_string.Dispose();
+  global_string.Reset();
 }
 
 
 THREADED_TEST(HandleEquality) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::Persistent<String> global1;
   v8::Persistent<String> global2;
   {
     v8::HandleScope scope(isolate);
     global1.Reset(isolate, v8_str("str"));
@@ skipping 16 matching lines @@
     CHECK_EQ(local2 == global1, false);
     CHECK_EQ(local2 != global1, true);
 
     CHECK_EQ(local1 == local2, false);
     CHECK_EQ(local1 != local2, true);
 
     Local<String> anotherLocal1 = Local<String>::New(isolate, global1);
     CHECK_EQ(local1 == anotherLocal1, true);
     CHECK_EQ(local1 != anotherLocal1, false);
   }
-  global1.Dispose();
-  global2.Dispose();
+  global1.Reset();
+  global2.Reset();
 }
 
 
 THREADED_TEST(LocalHandle) {
   v8::HandleScope scope(CcTest::isolate());
   v8::Local<String> local =
       v8::Local<String>::New(CcTest::isolate(), v8_str("str"));
   CHECK_EQ(local->Length(), 3);
 }
 
 
 class WeakCallCounter {
  public:
   explicit WeakCallCounter(int id) : id_(id), number_of_weak_calls_(0) { }
   int id() { return id_; }
   void increment() { number_of_weak_calls_++; }
   int NumberOfWeakCalls() { return number_of_weak_calls_; }
  private:
   int id_;
   int number_of_weak_calls_;
 };
 
 
 template<typename T>
 static void WeakPointerCallback(v8::Isolate* isolate,
                                 Persistent<T>* handle,
                                 WeakCallCounter* counter) {
   CHECK_EQ(1234, counter->id());
   counter->increment();
-  handle->Dispose();
+  handle->Reset();
 }
 
 
 template<typename T>
 static UniqueId MakeUniqueId(const Persistent<T>& p) {
   return UniqueId(reinterpret_cast<uintptr_t>(*v8::Utils::OpenPersistent(p)));
 }
 
 
 THREADED_TEST(ApiObjectGroups) {
@@ skipping 99 matching lines @@
   Persistent<String> g1c1;
   Persistent<Object> g2s1;
   Persistent<String> g2s2;
   Persistent<String> g2c1;
 
   WeakCallCounter counter(1234);
 
   {
     HandleScope scope(iso);
     g1s1.Reset(iso, Object::New());
-    g1s2.Reset(iso, String::New("foo1"));
-    g1c1.Reset(iso, String::New("foo2"));
+    g1s2.Reset(iso, String::NewFromUtf8(iso, "foo1"));
+    g1c1.Reset(iso, String::NewFromUtf8(iso, "foo2"));
     g1s1.MakeWeak(&counter, &WeakPointerCallback);
     g1s2.MakeWeak(&counter, &WeakPointerCallback);
     g1c1.MakeWeak(&counter, &WeakPointerCallback);
 
     g2s1.Reset(iso, Object::New());
-    g2s2.Reset(iso, String::New("foo3"));
-    g2c1.Reset(iso, String::New("foo4"));
+    g2s2.Reset(iso, String::NewFromUtf8(iso, "foo3"));
+    g2c1.Reset(iso, String::NewFromUtf8(iso, "foo4"));
     g2s1.MakeWeak(&counter, &WeakPointerCallback);
     g2s2.MakeWeak(&counter, &WeakPointerCallback);
     g2c1.MakeWeak(&counter, &WeakPointerCallback);
   }
 
   Persistent<Value> root(iso, g1s1);  // make a root.
 
   // Connect group 1 and 2, make a cycle.
   {
     HandleScope scope(iso);
@@ skipping 731 matching lines @@
   static const int K = 1024;
   v8::ResourceConstraints constraints;
   constraints.set_max_young_space_size(256 * K);
   constraints.set_max_old_space_size(5 * K * K);
   v8::SetResourceConstraints(CcTest::isolate(), &constraints);
 
   // Execute a script that causes out of memory.
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   v8::V8::IgnoreOutOfMemoryException();
-  Local<Script> script =
-      Script::Compile(String::New(js_code_causing_out_of_memory));
+  Local<Script> script = Script::Compile(String::NewFromUtf8(
+      context->GetIsolate(), js_code_causing_out_of_memory));
   Local<Value> result = script->Run();
 
   // Check for out of memory state.
   CHECK(result.IsEmpty());
   CHECK(context->HasOutOfMemoryException());
 }
 
 
 void ProvokeOutOfMemory(const v8::FunctionCallbackInfo<v8::Value>& args) {
   ApiTestFuzzer::Fuzz();
 
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
-  Local<Script> script =
-      Script::Compile(String::New(js_code_causing_out_of_memory));
+  Local<Script> script = Script::Compile(String::NewFromUtf8(
+      context->GetIsolate(), js_code_causing_out_of_memory));
   Local<Value> result = script->Run();
 
   // Check for out of memory state.
   CHECK(result.IsEmpty());
   CHECK(context->HasOutOfMemoryException());
 
   args.GetReturnValue().Set(result);
 }
 
 
@@ skipping 869 matching lines @@
   CHECK(!v8_num(1)->StrictEquals(v8_num(2)));
   CHECK(v8_num(0.0)->StrictEquals(v8_num(-0.0)));
   Local<Value> not_a_number = v8_num(i::OS::nan_value());
   CHECK(!not_a_number->StrictEquals(not_a_number));
   CHECK(v8::False(isolate)->StrictEquals(v8::False(isolate)));
   CHECK(!v8::False(isolate)->StrictEquals(v8::Undefined(isolate)));
 
   v8::Handle<v8::Object> obj = v8::Object::New();
   v8::Persistent<v8::Object> alias(isolate, obj);
   CHECK(v8::Local<v8::Object>::New(isolate, alias)->StrictEquals(obj));
-  alias.Dispose();
+  alias.Reset();
 
   CHECK(v8_str("a")->SameValue(v8_str("a")));
   CHECK(!v8_str("a")->SameValue(v8_str("b")));
   CHECK(!v8_str("5")->SameValue(v8_num(5)));
   CHECK(v8_num(1)->SameValue(v8_num(1)));
   CHECK(!v8_num(1)->SameValue(v8_num(2)));
   CHECK(!v8_num(0.0)->SameValue(v8_num(-0.0)));
   CHECK(not_a_number->SameValue(not_a_number));
   CHECK(v8::False(isolate)->SameValue(v8::False(isolate)));
   CHECK(!v8::False(isolate)->SameValue(v8::Undefined(isolate)));
@@ skipping 304 matching lines @@
   v8::HandleScope scope(CcTest::isolate());
   Local<ObjectTemplate> templ = ObjectTemplate::New();
   templ->SetAccessor(v8_str("x"), GetXValue, SetXValue, v8_str("donut"));
   LocalContext context;
   context->Global()->Set(v8_str("obj"), templ->NewInstance());
   Local<Script> script = Script::Compile(v8_str("obj.x = 4"));
   for (int i = 0; i < 10; i++) {
     CHECK(xValue.IsEmpty());
     script->Run();
     CHECK_EQ(v8_num(4), Local<Value>::New(CcTest::isolate(), xValue));
-    xValue.Dispose();
-    xValue.Clear();
+    xValue.Reset();
   }
 }
 
 
 THREADED_TEST(SetterOnly) {
   v8::HandleScope scope(CcTest::isolate());
   Local<ObjectTemplate> templ = ObjectTemplate::New();
   templ->SetAccessor(v8_str("x"), NULL, SetXValue, v8_str("donut"));
   LocalContext context;
   context->Global()->Set(v8_str("obj"), templ->NewInstance());
   Local<Script> script = Script::Compile(v8_str("obj.x = 4; obj.x"));
   for (int i = 0; i < 10; i++) {
     CHECK(xValue.IsEmpty());
     script->Run();
     CHECK_EQ(v8_num(4), Local<Value>::New(CcTest::isolate(), xValue));
-    xValue.Dispose();
-    xValue.Clear();
+    xValue.Reset();
   }
 }
 
 
 THREADED_TEST(NoAccessors) {
   v8::HandleScope scope(CcTest::isolate());
   Local<ObjectTemplate> templ = ObjectTemplate::New();
   templ->SetAccessor(v8_str("x"),
                      static_cast<v8::AccessorGetterCallback>(NULL),
                      NULL,
@@ skipping 769 matching lines @@
   script->Run();
   ExpectBoolean("undetectable.y == undefined", true);
 }
 
 
 
 THREADED_TEST(UndetectableString) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
-  Local<String> obj = String::NewUndetectable("foo");
+  Local<String> obj = String::NewFromUtf8(env->GetIsolate(), "foo",
+                                          String::kUndetectableString);
   env->Global()->Set(v8_str("undetectable"), obj);
 
   ExpectString("undetectable", "foo");
   ExpectString("typeof undetectable", "undefined");
   ExpectString("typeof(undetectable)", "undefined");
   ExpectBoolean("typeof undetectable == 'undefined'", true);
   ExpectBoolean("typeof undetectable == 'string'", false);
   ExpectBoolean("if (undetectable) { true; } else { false; }", false);
   ExpectBoolean("!undetectable", true);
 
@@ skipping 20 matching lines @@
   ExpectBoolean("undefined===undetectable", false);
   ExpectBoolean("undetectable===undetectable", true);
 }
 
 
 TEST(UndetectableOptimized) {
   i::FLAG_allow_natives_syntax = true;
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
 
-  Local<String> obj = String::NewUndetectable("foo");
+  Local<String> obj = String::NewFromUtf8(env->GetIsolate(), "foo",
+                                          String::kUndetectableString);
   env->Global()->Set(v8_str("undetectable"), obj);
   env->Global()->Set(v8_str("detectable"), v8_str("bar"));
 
   ExpectString(
       "function testBranch() {"
       "  if (!%_IsUndetectableObject(undetectable)) throw 1;"
       "  if (%_IsUndetectableObject(detectable)) throw 2;"
       "}\n"
       "function testBool() {"
       "  var b1 = !%_IsUndetectableObject(undetectable);"
@@ skipping 14 matching lines @@
 
 
 template <typename T> static void USE(T) { }
 
 
 // This test is not intended to be run, just type checked.
 static inline void PersistentHandles(v8::Isolate* isolate) {
   USE(PersistentHandles);
   Local<String> str = v8_str("foo");
   v8::Persistent<String> p_str(isolate, str);
-  p_str.Dispose();
+  p_str.Reset();
   Local<Script> scr = Script::Compile(v8_str(""));
   v8::Persistent<Script> p_scr(isolate, scr);
-  p_scr.Dispose();
+  p_scr.Reset();
   Local<ObjectTemplate> templ = ObjectTemplate::New();
   v8::Persistent<ObjectTemplate> p_templ(isolate, templ);
-  p_templ.Dispose();
+  p_templ.Reset();
 }
 
 
 static void HandleLogDelegator(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   ApiTestFuzzer::Fuzz();
 }
 
 
 THREADED_TEST(GlobalObjectTemplate) {
@@ skipping 286 matching lines @@
   v8::Handle<Context> context =
       Context::New(CcTest::isolate(), &extensions);
   CHECK(context.IsEmpty());
 }
 
 
 static void CheckDependencies(const char* name, const char* expected) {
   v8::HandleScope handle_scope(CcTest::isolate());
   v8::ExtensionConfiguration config(1, &name);
   LocalContext context(&config);
-  CHECK_EQ(String::New(expected), context->Global()->Get(v8_str("loaded")));
+  CHECK_EQ(String::NewFromUtf8(CcTest::isolate(), expected),
+           context->Global()->Get(v8_str("loaded")));
 }
 
 
 /*
  * Configuration:
  *
  *     /-- B <--\
  * A <-          -- D <-- E
  *     \-- C <--/
  */
@@ skipping 136 matching lines @@
 void OOMCallback(const char* location, const char* message) {
   exit(0);
 }
 
 
 TEST(RegexpOutOfMemory) {
   // Execute a script that causes out of memory when flattening a string.
   v8::HandleScope scope(CcTest::isolate());
   v8::V8::SetFatalErrorHandler(OOMCallback);
   LocalContext context;
-  Local<Script> script =
-      Script::Compile(String::New(js_code_causing_huge_string_flattening));
+  Local<Script> script = Script::Compile(String::NewFromUtf8(
+      CcTest::isolate(), js_code_causing_huge_string_flattening));
   last_location = NULL;
   script->Run();
 
   CHECK(false);  // Should not return.
 }
 
 
 static void MissingScriptInfoMessageListener(v8::Handle<v8::Message> message,
                                              v8::Handle<Value> data) {
   CHECK(message->GetScriptResourceName()->IsUndefined());
@@ skipping 16 matching lines @@
 
 class Snorkel {
  public:
   Snorkel() { index_ = global_index++; }
   int index_;
 };
 
 class Whammy {
  public:
   explicit Whammy(v8::Isolate* isolate) : cursor_(0), isolate_(isolate) { }
-  ~Whammy() { script_.Dispose(); }
+  ~Whammy() { script_.Reset(); }
   v8::Handle<Script> getScript() {
     if (script_.IsEmpty()) script_.Reset(isolate_, v8_compile("({}).blammo"));
     return Local<Script>::New(isolate_, script_);
   }
 
  public:
   static const int kObjectCount = 256;
   int cursor_;
   v8::Isolate* isolate_;
   v8::Persistent<v8::Object> objects_[kObjectCount];
@@ skipping 12 matching lines @@
   Whammy* whammy =
     static_cast<Whammy*>(v8::Handle<v8::External>::Cast(info.Data())->Value());
 
   v8::Persistent<v8::Object>& prev = whammy->objects_[whammy->cursor_];
 
   v8::Handle<v8::Object> obj = v8::Object::New();
   if (!prev.IsEmpty()) {
     v8::Local<v8::Object>::New(info.GetIsolate(), prev)
         ->Set(v8_str("next"), obj);
     prev.MakeWeak<Value, Snorkel>(new Snorkel(), &HandleWeakReference);
-    whammy->objects_[whammy->cursor_].Clear();
   }
   whammy->objects_[whammy->cursor_].Reset(info.GetIsolate(), obj);
   whammy->cursor_ = (whammy->cursor_ + 1) % Whammy::kObjectCount;
   info.GetReturnValue().Set(whammy->getScript()->Run());
 }
 
 
 THREADED_TEST(WeakReference) {
   v8::HandleScope handle_scope(CcTest::isolate());
   v8::Handle<v8::ObjectTemplate> templ= v8::ObjectTemplate::New();
@@ skipping 20 matching lines @@
       "4";
   v8::Handle<Value> result = CompileRun(code);
   CHECK_EQ(4.0, result->NumberValue());
   delete whammy;
 }
 
 
 static void DisposeAndSetFlag(v8::Isolate* isolate,
                               v8::Persistent<v8::Object>* obj,
                               bool* data) {
-  obj->Dispose();
+  obj->Reset();
   *(data) = true;
 }
 
 
 THREADED_TEST(IndependentWeakHandle) {
   v8::Isolate* iso = CcTest::isolate();
   v8::HandleScope scope(iso);
   v8::Handle<Context> context = Context::New(iso);
   Context::Scope context_scope(context);
 
@@ skipping 25 matching lines @@
 
 
 static void InvokeMarkSweep() {
   CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
 }
 
 
 static void ForceScavenge(v8::Isolate* isolate,
                           v8::Persistent<v8::Object>* obj,
                           bool* data) {
-  obj->Dispose();
+  obj->Reset();
   *(data) = true;
   InvokeScavenge();
 }
 
 
 static void ForceMarkSweep(v8::Isolate* isolate,
                            v8::Persistent<v8::Object>* obj,
                            bool* data) {
-  obj->Dispose();
+  obj->Reset();
   *(data) = true;
   InvokeMarkSweep();
 }
 
 
 THREADED_TEST(GCFromWeakCallbacks) {
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
   v8::Handle<Context> context = Context::New(isolate);
   Context::Scope context_scope(context);
@@ skipping 372 matching lines @@
   return len;
 }
 
 
 THREADED_TEST(StringWrite) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   v8::Handle<String> str = v8_str("abcde");
   // abc<Icelandic eth><Unicode snowman>.
   v8::Handle<String> str2 = v8_str("abc\303\260\342\230\203");
-  v8::Handle<String> str3 = v8::String::New("abc\0def", 7);
+  v8::Handle<String> str3 = v8::String::NewFromUtf8(
+      context->GetIsolate(), "abc\0def", v8::String::kNormalString, 7);
   const int kStride = 4;  // Must match stride in for loops in JS below.
   CompileRun(
       "var left = '';"
       "for (var i = 0; i < 0xd800; i += 4) {"
       "  left = left + String.fromCharCode(i);"
       "}");
   CompileRun(
       "var right = '';"
       "for (var i = 0; i < 0xd800; i += 4) {"
       "  right = String.fromCharCode(i) + right;"
@@ skipping 373 matching lines @@
   WriteUtf8Helper(context, "c2", "a2lens", 81);
 }
 
 
 static bool SameSymbol(Handle<String> s1, Handle<String> s2) {
   i::Handle<i::String> is1(v8::Utils::OpenHandle(*s1));
   i::Handle<i::String> is2(v8::Utils::OpenHandle(*s2));
   return *is1 == *is2;
 }
 
-
-static void SameSymbolHelper(const char* a, const char* b) {
-  Handle<String> symbol1 = v8::String::NewSymbol(a);
-  Handle<String> symbol2 = v8::String::NewSymbol(b);
+static void SameSymbolHelper(v8::Isolate* isolate, const char* a,
+                             const char* b) {
+  Handle<String> symbol1 =
+      v8::String::NewFromUtf8(isolate, a, v8::String::kInternalizedString);
+  Handle<String> symbol2 =
+      v8::String::NewFromUtf8(isolate, b, v8::String::kInternalizedString);
   CHECK(SameSymbol(symbol1, symbol2));
 }
 
 
 THREADED_TEST(Utf16Symbol) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
 
-  Handle<String> symbol1 = v8::String::NewSymbol("abc");
-  Handle<String> symbol2 = v8::String::NewSymbol("abc");
+  Handle<String> symbol1 = v8::String::NewFromUtf8(
+      context->GetIsolate(), "abc", v8::String::kInternalizedString);
+  Handle<String> symbol2 = v8::String::NewFromUtf8(
+      context->GetIsolate(), "abc", v8::String::kInternalizedString);
   CHECK(SameSymbol(symbol1, symbol2));
 
-  SameSymbolHelper("\360\220\220\205",  // 4 byte encoding.
+  SameSymbolHelper(context->GetIsolate(),
+                   "\360\220\220\205",  // 4 byte encoding.
                    "\355\240\201\355\260\205");  // 2 3-byte surrogates.
-  SameSymbolHelper("\355\240\201\355\260\206",  // 2 3-byte surrogates.
+  SameSymbolHelper(context->GetIsolate(),
+                   "\355\240\201\355\260\206",  // 2 3-byte surrogates.
                    "\360\220\220\206");  // 4 byte encoding.
-  SameSymbolHelper("x\360\220\220\205",  // 4 byte encoding.
+  SameSymbolHelper(context->GetIsolate(),
+                   "x\360\220\220\205",  // 4 byte encoding.
                    "x\355\240\201\355\260\205");  // 2 3-byte surrogates.
-  SameSymbolHelper("x\355\240\201\355\260\206",  // 2 3-byte surrogates.
+  SameSymbolHelper(context->GetIsolate(),
+                   "x\355\240\201\355\260\206",  // 2 3-byte surrogates.
                    "x\360\220\220\206");  // 4 byte encoding.
   CompileRun(
       "var sym0 = 'benedictus';"
       "var sym0b = 'S\303\270ren';"
       "var sym1 = '\355\240\201\355\260\207';"
       "var sym2 = '\360\220\220\210';"
       "var sym3 = 'x\355\240\201\355\260\207';"
       "var sym4 = 'x\360\220\220\210';"
       "if (sym1.length != 2) throw sym1;"
       "if (sym1.charCodeAt(1) != 0xdc07) throw sym1.charCodeAt(1);"
       "if (sym2.length != 2) throw sym2;"
       "if (sym2.charCodeAt(1) != 0xdc08) throw sym2.charCodeAt(2);"
       "if (sym3.length != 3) throw sym3;"
       "if (sym3.charCodeAt(2) != 0xdc07) throw sym1.charCodeAt(2);"
       "if (sym4.length != 3) throw sym4;"
       "if (sym4.charCodeAt(2) != 0xdc08) throw sym2.charCodeAt(2);");
-  Handle<String> sym0 = v8::String::NewSymbol("benedictus");
-  Handle<String> sym0b = v8::String::NewSymbol("S\303\270ren");
-  Handle<String> sym1 = v8::String::NewSymbol("\355\240\201\355\260\207");
-  Handle<String> sym2 = v8::String::NewSymbol("\360\220\220\210");
-  Handle<String> sym3 = v8::String::NewSymbol("x\355\240\201\355\260\207");
-  Handle<String> sym4 = v8::String::NewSymbol("x\360\220\220\210");
+  Handle<String> sym0 = v8::String::NewFromUtf8(
+      context->GetIsolate(), "benedictus", v8::String::kInternalizedString);
+  Handle<String> sym0b = v8::String::NewFromUtf8(
+      context->GetIsolate(), "S\303\270ren", v8::String::kInternalizedString);
+  Handle<String> sym1 =
+      v8::String::NewFromUtf8(context->GetIsolate(), "\355\240\201\355\260\207",
+                              v8::String::kInternalizedString);
+  Handle<String> sym2 =
+      v8::String::NewFromUtf8(context->GetIsolate(), "\360\220\220\210",
+                              v8::String::kInternalizedString);
+  Handle<String> sym3 = v8::String::NewFromUtf8(
+      context->GetIsolate(), "x\355\240\201\355\260\207",
+      v8::String::kInternalizedString);
+  Handle<String> sym4 =
+      v8::String::NewFromUtf8(context->GetIsolate(), "x\360\220\220\210",
+                              v8::String::kInternalizedString);
   v8::Local<v8::Object> global = context->Global();
   Local<Value> s0 = global->Get(v8_str("sym0"));
   Local<Value> s0b = global->Get(v8_str("sym0b"));
   Local<Value> s1 = global->Get(v8_str("sym1"));
   Local<Value> s2 = global->Get(v8_str("sym2"));
   Local<Value> s3 = global->Get(v8_str("sym3"));
   Local<Value> s4 = global->Get(v8_str("sym4"));
   CHECK(SameSymbol(sym0, Handle<String>::Cast(s0)));
   CHECK(SameSymbol(sym0b, Handle<String>::Cast(s0b)));
   CHECK(SameSymbol(sym1, Handle<String>::Cast(s1)));
@@ skipping 210 matching lines @@
 
 TEST(ExceptionInNativeScript) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   v8::V8::AddMessageListener(ExceptionInNativeScriptTestListener);
 
   Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(TroubleCallback);
   v8::Local<v8::Object> global = env->Global();
   global->Set(v8_str("trouble"), fun->GetFunction());
 
-  Script::Compile(v8_str("function trouble() {\n"
-                         "  var o = {};\n"
-                         "  new o.foo();\n"
-                         "};"), v8::String::New(script_resource_name))->Run();
+  Script::Compile(
+      v8_str(
+          "function trouble() {\n"
+          "  var o = {};\n"
+          "  new o.foo();\n"
+          "};"),
+      v8::String::NewFromUtf8(env->GetIsolate(), script_resource_name))->Run();
   Local<Value> trouble = global->Get(v8_str("trouble"));
   CHECK(trouble->IsFunction());
   Function::Cast(*trouble)->Call(global, 0, NULL);
   v8::V8::RemoveMessageListeners(ExceptionInNativeScriptTestListener);
 }
 
 
 TEST(CompilationErrorUsingTryCatchHandler) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
@@ skipping 4928 matching lines @@
 
 
 v8::Persistent<v8::Object> some_object;
 v8::Persistent<v8::Object> bad_handle;
 
 void NewPersistentHandleCallback(v8::Isolate* isolate,
                                  v8::Persistent<v8::Value>* handle,
                                  void*) {
   v8::HandleScope scope(isolate);
   bad_handle.Reset(isolate, some_object);
-  handle->Dispose();
+  handle->Reset();
 }
 
 
 THREADED_TEST(NewPersistentHandleFromWeakCallback) {
   LocalContext context;
   v8::Isolate* isolate = context->GetIsolate();
 
   v8::Persistent<v8::Object> handle1, handle2;
   {
     v8::HandleScope scope(isolate);
     some_object.Reset(isolate, v8::Object::New());
     handle1.Reset(isolate, v8::Object::New());
     handle2.Reset(isolate, v8::Object::New());
   }
   // Note: order is implementation dependent alas: currently
   // global handle nodes are processed by PostGarbageCollectionProcessing
   // in reverse allocation order, so if second allocated handle is deleted,
   // weak callback of the first handle would be able to 'reallocate' it.
   handle1.MakeWeak<v8::Value, void>(NULL, NewPersistentHandleCallback);
-  handle2.Dispose();
+  handle2.Reset();
   CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
 }
 
 
 v8::Persistent<v8::Object> to_be_disposed;
 
 void DisposeAndForceGcCallback(v8::Isolate* isolate,
                                v8::Persistent<v8::Value>* handle,
                                void*) {
-  to_be_disposed.Dispose();
+  to_be_disposed.Reset();
   CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
-  handle->Dispose();
+  handle->Reset();
 }
 
 
 THREADED_TEST(DoNotUseDeletedNodesInSecondLevelGc) {
   LocalContext context;
   v8::Isolate* isolate = context->GetIsolate();
 
   v8::Persistent<v8::Object> handle1, handle2;
   {
     v8::HandleScope scope(isolate);
     handle1.Reset(isolate, v8::Object::New());
     handle2.Reset(isolate, v8::Object::New());
   }
   handle1.MakeWeak<v8::Value, void>(NULL, DisposeAndForceGcCallback);
   to_be_disposed.Reset(isolate, handle2);
   CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
 }
 
 void DisposingCallback(v8::Isolate* isolate,
                        v8::Persistent<v8::Value>* handle,
                        void*) {
-  handle->Dispose();
+  handle->Reset();
 }
 
 void HandleCreatingCallback(v8::Isolate* isolate,
                             v8::Persistent<v8::Value>* handle,
                             void*) {
   v8::HandleScope scope(isolate);
   v8::Persistent<v8::Object>(isolate, v8::Object::New());
-  handle->Dispose();
+  handle->Reset();
 }
 
 
 THREADED_TEST(NoGlobalHandlesOrphaningDueToWeakCallback) {
   LocalContext context;
   v8::Isolate* isolate = context->GetIsolate();
 
   v8::Persistent<v8::Object> handle1, handle2, handle3;
   {
     v8::HandleScope scope(isolate);
@@ skipping 670 matching lines @@
   CHECK_EQ(1, result->InternalFieldCount());
 }
 
 
 // If part of the threaded tests, this test makes ThreadingTest fail
 // on mac.
 TEST(CatchStackOverflow) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   v8::TryCatch try_catch;
-  v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(
+  v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::NewFromUtf8(
+    context->GetIsolate(),
     "function f() {"
     "  return f();"
     "}"
     ""
     "f();"));
   v8::Handle<v8::Value> result = script->Run();
   CHECK(result.IsEmpty());
 }
 
 
@@ skipping 15 matching lines @@
   v8::String::Utf8Value line(message->GetSourceLine());
   CHECK_EQ("  throw 'nirk';", *line);
   v8::String::Utf8Value name(message->GetScriptResourceName());
   CHECK_EQ(resource_name, *name);
 }
 
 
 THREADED_TEST(TryCatchSourceInfo) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
-  v8::Handle<v8::String> source = v8::String::New(
+  v8::Handle<v8::String> source = v8::String::NewFromUtf8(
+      context->GetIsolate(),
       "function Foo() {\n"
       "  return Bar();\n"
       "}\n"
       "\n"
       "function Bar() {\n"
       "  return Baz();\n"
       "}\n"
       "\n"
       "function Baz() {\n"
       "  throw 'nirk';\n"
       "}\n"
       "\n"
       "Foo();\n");
 
   const char* resource_name;
   v8::Handle<v8::Script> script;
   resource_name = "test.js";
-  script = v8::Script::Compile(source, v8::String::New(resource_name));
+  script = v8::Script::Compile(
+      source, v8::String::NewFromUtf8(context->GetIsolate(), resource_name));
   CheckTryCatchSourceInfo(script, resource_name, 0);
 
   resource_name = "test1.js";
-  v8::ScriptOrigin origin1(v8::String::New(resource_name));
+  v8::ScriptOrigin origin1(
+      v8::String::NewFromUtf8(context->GetIsolate(), resource_name));
   script = v8::Script::Compile(source, &origin1);
   CheckTryCatchSourceInfo(script, resource_name, 0);
 
   resource_name = "test2.js";
-  v8::ScriptOrigin origin2(v8::String::New(resource_name), v8::Integer::New(7));
+  v8::ScriptOrigin origin2(
+      v8::String::NewFromUtf8(context->GetIsolate(), resource_name),
+      v8::Integer::New(7));
   script = v8::Script::Compile(source, &origin2);
   CheckTryCatchSourceInfo(script, resource_name, 7);
 }
 
 
 THREADED_TEST(CompilationCache) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
-  v8::Handle<v8::String> source0 = v8::String::New("1234");
-  v8::Handle<v8::String> source1 = v8::String::New("1234");
-  v8::Handle<v8::Script> script0 =
-      v8::Script::Compile(source0, v8::String::New("test.js"));
-  v8::Handle<v8::Script> script1 =
-      v8::Script::Compile(source1, v8::String::New("test.js"));
+  v8::Handle<v8::String> source0 =
+      v8::String::NewFromUtf8(context->GetIsolate(), "1234");
+  v8::Handle<v8::String> source1 =
+      v8::String::NewFromUtf8(context->GetIsolate(), "1234");
+  v8::Handle<v8::Script> script0 = v8::Script::Compile(
+      source0, v8::String::NewFromUtf8(context->GetIsolate(), "test.js"));
+  v8::Handle<v8::Script> script1 = v8::Script::Compile(
+      source1, v8::String::NewFromUtf8(context->GetIsolate(), "test.js"));
   v8::Handle<v8::Script> script2 =
       v8::Script::Compile(source0);  // different origin
   CHECK_EQ(1234, script0->Run()->Int32Value());
   CHECK_EQ(1234, script1->Run()->Int32Value());
   CHECK_EQ(1234, script2->Run()->Int32Value());
 }
 
 
 static void FunctionNameCallback(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
@@ skipping 44 matching lines @@
   for (int i = 0; i < elmc; i++) {
     v8::String::Utf8Value elm(props->Get(v8::Integer::New(i)));
     CHECK_EQ(elmv[i], *elm);
   }
 }
 
 
 THREADED_TEST(PropertyEnumeration) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
-  v8::Handle<v8::Value> obj = v8::Script::Compile(v8::String::New(
+  v8::Handle<v8::Value> obj = v8::Script::Compile(v8::String::NewFromUtf8(
+      context->GetIsolate(),
       "var result = [];"
       "result[0] = {};"
       "result[1] = {a: 1, b: 2};"
       "result[2] = [1, 2, 3];"
       "var proto = {x: 1, y: 2, z: 3};"
       "var x = { __proto__: proto, w: 0, z: 1 };"
       "result[3] = x;"
       "result;"))->Run();
   v8::Handle<v8::Array> elms = obj.As<v8::Array>();
   CHECK_EQ(4, elms->Length());
@@ skipping 14 matching lines @@
   CheckProperties(elms->Get(v8::Integer::New(3)), elmc3, elmv3);
   int elmc4 = 2;
   const char* elmv4[] = {"w", "z"};
   CheckOwnProperties(elms->Get(v8::Integer::New(3)), elmc4, elmv4);
 }
 
 
 THREADED_TEST(PropertyEnumeration2) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
-  v8::Handle<v8::Value> obj = v8::Script::Compile(v8::String::New(
+  v8::Handle<v8::Value> obj = v8::Script::Compile(v8::String::NewFromUtf8(
+      context->GetIsolate(),
       "var result = [];"
       "result[0] = {};"
       "result[1] = {a: 1, b: 2};"
       "result[2] = [1, 2, 3];"
       "var proto = {x: 1, y: 2, z: 3};"
       "var x = { __proto__: proto, w: 0, z: 1 };"
       "result[3] = x;"
       "result;"))->Run();
   v8::Handle<v8::Array> elms = obj.As<v8::Array>();
   CHECK_EQ(4, elms->Length());
@@ skipping 379 matching lines @@
   const int kFunctionEntrySize = i::FunctionEntry::kSize;
   const int kFunctionEntryStartOffset = 0;
   const int kFunctionEntryEndOffset = 1;
   unsigned* sd_data =
       reinterpret_cast<unsigned*>(const_cast<char*>(sd->Data()));
 
   // Overwrite function bar's end position with 0.
   sd_data[kHeaderSize + 1 * kFunctionEntrySize + kFunctionEntryEndOffset] = 0;
   v8::TryCatch try_catch;
 
-  Local<String> source = String::New(script);
+  Local<String> source = String::NewFromUtf8(isolate, script);
   Local<Script> compiled_script = Script::New(source, NULL, sd);
   CHECK(try_catch.HasCaught());
   String::Utf8Value exception_value(try_catch.Message()->Get());
   CHECK_EQ("Uncaught SyntaxError: Invalid preparser data for function bar",
            *exception_value);
 
   try_catch.Reset();
 
   // Overwrite function bar's start position with 200.  The function entry
   // will not be found when searching for it by position and we should fall
@@ skipping 19 matching lines @@
   const char* cstring = "function foo(a) { return a+1; }";
 
   v8::ScriptData* sd_from_cstring =
       v8::ScriptData::PreCompile(isolate, cstring, i::StrLength(cstring));
 
   TestAsciiResource* resource = new TestAsciiResource(cstring);
   v8::ScriptData* sd_from_external_string = v8::ScriptData::PreCompile(
       v8::String::NewExternal(resource));
 
   v8::ScriptData* sd_from_string = v8::ScriptData::PreCompile(
-      v8::String::New(cstring));
+      v8::String::NewFromUtf8(isolate, cstring));
 
   CHECK_EQ(sd_from_cstring->Length(), sd_from_external_string->Length());
   CHECK_EQ(0, memcmp(sd_from_cstring->Data(),
                      sd_from_external_string->Data(),
                      sd_from_cstring->Length()));
 
   CHECK_EQ(sd_from_cstring->Length(), sd_from_string->Length());
   CHECK_EQ(0, memcmp(sd_from_cstring->Data(),
                      sd_from_string->Data(),
                      sd_from_cstring->Length()));
@@ skipping 194 matching lines @@
         "/[^a-z]/.test(slice);"
         "/[^a-z]/.test(slice_on_cons);");
     const char* expected_cons =
         "Now is the time for all good men to come to the aid of the party"
         "Now is the time for all good men to come to the aid of the party";
     const char* expected_slice =
         "ow is the time for all good men to come to the aid of the part";
     const char* expected_slice_on_cons =
         "ow is the time for all good men to come to the aid of the party"
         "Now is the time for all good men to come to the aid of the part";
-    CHECK_EQ(String::New(expected_cons),
+    CHECK_EQ(String::NewFromUtf8(env->GetIsolate(), expected_cons),
              env->Global()->Get(v8_str("cons")));
-    CHECK_EQ(String::New(expected_slice),
+    CHECK_EQ(String::NewFromUtf8(env->GetIsolate(), expected_slice),
              env->Global()->Get(v8_str("slice")));
-    CHECK_EQ(String::New(expected_slice_on_cons),
+    CHECK_EQ(String::NewFromUtf8(env->GetIsolate(), expected_slice_on_cons),
              env->Global()->Get(v8_str("slice_on_cons")));
   }
   i::DeleteArray(two_byte_string);
 }
 
 
 TEST(CompileExternalTwoByteSource) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
 
@@ skipping 80 matching lines @@
 
   v8::TryCatch try_catch;
   timeout_thread.Start();
 
   CompileRun("/((a*)*)*b/.exec(a)");
   CHECK(try_catch.HasTerminated());
 
   timeout_thread.Join();
 
   delete regexp_interruption_data.string_resource;
-  regexp_interruption_data.string.Dispose();
+  regexp_interruption_data.string.Reset();
 }
 
 #endif  // V8_INTERPRETED_REGEXP
 
 
 // Test that we cannot set a property on the global object if there
 // is a read-only property in the prototype chain.
 TEST(ReadOnlyPropertyInGlobalProto) {
   i::FLAG_es5_readonly = true;
   v8::HandleScope scope(CcTest::isolate());
@@ skipping 44 matching lines @@
 }
 
 
 TEST(ForceSet) {
   force_set_get_count = 0;
   force_set_set_count = 0;
   pass_on_get = false;
 
   v8::HandleScope scope(CcTest::isolate());
   v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New();
-  v8::Handle<v8::String> access_property = v8::String::New("a");
+  v8::Handle<v8::String> access_property =
+      v8::String::NewFromUtf8(CcTest::isolate(), "a");
   templ->SetAccessor(access_property, ForceSetGetter, ForceSetSetter);
   LocalContext context(NULL, templ);
   v8::Handle<v8::Object> global = context->Global();
 
   // Ordinary properties
-  v8::Handle<v8::String> simple_property = v8::String::New("p");
+  v8::Handle<v8::String> simple_property =
+      v8::String::NewFromUtf8(CcTest::isolate(), "p");
   global->Set(simple_property, v8::Int32::New(4), v8::ReadOnly);
   CHECK_EQ(4, global->Get(simple_property)->Int32Value());
   // This should fail because the property is read-only
   global->Set(simple_property, v8::Int32::New(5));
   CHECK_EQ(4, global->Get(simple_property)->Int32Value());
   // This should succeed even though the property is read-only
   global->ForceSet(simple_property, v8::Int32::New(6));
   CHECK_EQ(6, global->Get(simple_property)->Int32Value());
 
   // Accessors
@@ skipping 19 matching lines @@
   force_set_get_count = 0;
   force_set_set_count = 0;
   pass_on_get = false;
 
   v8::HandleScope scope(CcTest::isolate());
   v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New();
   templ->SetNamedPropertyHandler(ForceSetGetter, ForceSetInterceptSetter);
   LocalContext context(NULL, templ);
   v8::Handle<v8::Object> global = context->Global();
 
-  v8::Handle<v8::String> some_property = v8::String::New("a");
+  v8::Handle<v8::String> some_property =
+      v8::String::NewFromUtf8(CcTest::isolate(), "a");
   CHECK_EQ(0, force_set_set_count);
   CHECK_EQ(0, force_set_get_count);
   CHECK_EQ(3, global->Get(some_property)->Int32Value());
   // Setting the property shouldn't override it, just call the setter
   // which in this case does nothing.
   global->Set(some_property, v8::Int32::New(7));
   CHECK_EQ(3, global->Get(some_property)->Int32Value());
   CHECK_EQ(1, force_set_set_count);
   CHECK_EQ(2, force_set_get_count);
   // Getting the property when the interceptor returns an empty handle
   // should yield undefined, since the property isn't present on the
   // object itself yet.
   pass_on_get = true;
   CHECK(global->Get(some_property)->IsUndefined());
   CHECK_EQ(1, force_set_set_count);
   CHECK_EQ(3, force_set_get_count);
   // Forcing the property to be set should cause the value to be
   // set locally without calling the interceptor.
   global->ForceSet(some_property, v8::Int32::New(8));
   CHECK_EQ(8, global->Get(some_property)->Int32Value());
   CHECK_EQ(1, force_set_set_count);
   CHECK_EQ(4, force_set_get_count);
   // Reenabling the interceptor should cause it to take precedence over
   // the property
   pass_on_get = false;
   CHECK_EQ(3, global->Get(some_property)->Int32Value());
   CHECK_EQ(1, force_set_set_count);
   CHECK_EQ(5, force_set_get_count);
   // The interceptor should also work for other properties
-  CHECK_EQ(3, global->Get(v8::String::New("b"))->Int32Value());
+  CHECK_EQ(3, global->Get(v8::String::NewFromUtf8(CcTest::isolate(), "b"))
+                  ->Int32Value());
   CHECK_EQ(1, force_set_set_count);
   CHECK_EQ(6, force_set_get_count);
 }
 
 
 THREADED_TEST(ForceDelete) {
   v8::HandleScope scope(CcTest::isolate());
   v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New();
   LocalContext context(NULL, templ);
   v8::Handle<v8::Object> global = context->Global();
 
   // Ordinary properties
-  v8::Handle<v8::String> simple_property = v8::String::New("p");
+  v8::Handle<v8::String> simple_property =
+      v8::String::NewFromUtf8(CcTest::isolate(), "p");
   global->Set(simple_property, v8::Int32::New(4), v8::DontDelete);
   CHECK_EQ(4, global->Get(simple_property)->Int32Value());
   // This should fail because the property is dont-delete.
   CHECK(!global->Delete(simple_property));
   CHECK_EQ(4, global->Get(simple_property)->Int32Value());
   // This should succeed even though the property is dont-delete.
   CHECK(global->ForceDelete(simple_property));
   CHECK(global->Get(simple_property)->IsUndefined());
 }
 
@@ skipping 14 matching lines @@
 THREADED_TEST(ForceDeleteWithInterceptor) {
   force_delete_interceptor_count = 0;
   pass_on_delete = false;
 
   v8::HandleScope scope(CcTest::isolate());
   v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New();
   templ->SetNamedPropertyHandler(0, 0, 0, ForceDeleteDeleter);
   LocalContext context(NULL, templ);
   v8::Handle<v8::Object> global = context->Global();
 
-  v8::Handle<v8::String> some_property = v8::String::New("a");
+  v8::Handle<v8::String> some_property =
+      v8::String::NewFromUtf8(CcTest::isolate(), "a");
   global->Set(some_property, v8::Integer::New(42), v8::DontDelete);
 
   // Deleting a property should get intercepted and nothing should
   // happen.
   CHECK_EQ(0, force_delete_interceptor_count);
   CHECK(global->Delete(some_property));
   CHECK_EQ(1, force_delete_interceptor_count);
   CHECK_EQ(42, global->Get(some_property)->Int32Value());
   // Deleting the property when the interceptor returns an empty
   // handle should not delete the property since it is DontDelete.
@@ skipping 45 matching lines @@
     v8::Local<v8::Value> foo = ctx1->Global()->Get(v8_str("foo"));
     ctx2->Enter();
     ctx2->Global()->Set(v8_str("o"), foo);
     v8::Local<v8::Value> res = CompileRun(
         "function f() { return o(); }"
         "for (var i = 0; i < 10; ++i) f();"
         "%OptimizeFunctionOnNextCall(f);"
         "f();");
     CHECK_EQ(42, res->Int32Value());
     ctx2->Exit();
-    v8::Handle<v8::String> G_property = v8::String::New("G");
+    v8::Handle<v8::String> G_property =
+        v8::String::NewFromUtf8(CcTest::isolate(), "G");
     CHECK(ctx1->Global()->ForceDelete(G_property));
     ctx2->Enter();
     ExpectString(
         "(function() {"
         "  try {"
         "    return f();"
         "  } catch(e) {"
         "    return e.toString();"
         "  }"
         " })()",
@@ skipping 97 matching lines @@
 // Regression test for issue 398.
 // If a function is added to an object, creating a constant function
 // field, and the result is cloned, replacing the constant function on the
 // original should not affect the clone.
 // See http://code.google.com/p/v8/issues/detail?id=398
 THREADED_TEST(ReplaceConstantFunction) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   v8::Handle<v8::Object> obj = v8::Object::New();
   v8::Handle<v8::FunctionTemplate> func_templ = v8::FunctionTemplate::New();
-  v8::Handle<v8::String> foo_string = v8::String::New("foo");
+  v8::Handle<v8::String> foo_string =
+      v8::String::NewFromUtf8(context->GetIsolate(), "foo");
   obj->Set(foo_string, func_templ->GetFunction());
   v8::Handle<v8::Object> obj_clone = obj->Clone();
-  obj_clone->Set(foo_string, v8::String::New("Hello"));
+  obj_clone->Set(foo_string,
+                 v8::String::NewFromUtf8(context->GetIsolate(), "Hello"));
   CHECK(!obj->Get(foo_string)->IsUndefined());
 }
 
 
 // Regression test for http://crbug.com/16276.
 THREADED_TEST(Regress16276) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   // Force the IC in f to be a dictionary load IC.
   CompileRun("function f(obj) { return obj.x; }\n"
@@ skipping 1288 matching lines @@
 IS_ARRAY_BUFFER_VIEW_TEST(DataView)
 
 #undef IS_ARRAY_BUFFER_VIEW_TEST
 
 
 
 THREADED_TEST(ScriptContextDependence) {
   LocalContext c1;
   v8::HandleScope scope(c1->GetIsolate());
   const char *source = "foo";
-  v8::Handle<v8::Script> dep = v8::Script::Compile(v8::String::New(source));
-  v8::Handle<v8::Script> indep = v8::Script::New(v8::String::New(source));
-  c1->Global()->Set(v8::String::New("foo"), v8::Integer::New(100));
+  v8::Handle<v8::Script> dep =
+      v8::Script::Compile(v8::String::NewFromUtf8(c1->GetIsolate(), source));
+  v8::Handle<v8::Script> indep =
+      v8::Script::New(v8::String::NewFromUtf8(c1->GetIsolate(), source));
+  c1->Global()->Set(v8::String::NewFromUtf8(c1->GetIsolate(), "foo"),
+                    v8::Integer::New(100));
   CHECK_EQ(dep->Run()->Int32Value(), 100);
   CHECK_EQ(indep->Run()->Int32Value(), 100);
   LocalContext c2;
-  c2->Global()->Set(v8::String::New("foo"), v8::Integer::New(101));
+  c2->Global()->Set(v8::String::NewFromUtf8(c2->GetIsolate(), "foo"),
+                    v8::Integer::New(101));
   CHECK_EQ(dep->Run()->Int32Value(), 100);
   CHECK_EQ(indep->Run()->Int32Value(), 101);
 }
 
 
 THREADED_TEST(StackTrace) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   v8::TryCatch try_catch;
   const char *source = "function foo() { FAIL.FAIL; }; foo();";
-  v8::Handle<v8::String> src = v8::String::New(source);
-  v8::Handle<v8::String> origin = v8::String::New("stack-trace-test");
+  v8::Handle<v8::String> src =
+      v8::String::NewFromUtf8(context->GetIsolate(), source);
+  v8::Handle<v8::String> origin =
+      v8::String::NewFromUtf8(context->GetIsolate(), "stack-trace-test");
   v8::Script::New(src, origin)->Run();
   CHECK(try_catch.HasCaught());
   v8::String::Utf8Value stack(try_catch.StackTrace());
   CHECK(strstr(*stack, "at foo (stack-trace-test") != NULL);
 }
 
 
 // Checks that a StackFrame has certain expected values.
 void checkStackFrame(const char* expected_script_name,
     const char* expected_func_name, int expected_line_number,
@@ skipping 65 matching lines @@
     CHECK(stackTrace->AsArray()->IsArray());
   }
 }
 
 
 // Tests the C++ StackTrace API.
 // TODO(3074796): Reenable this as a THREADED_TEST once it passes.
 // THREADED_TEST(CaptureStackTrace) {
 TEST(CaptureStackTrace) {
   v8::HandleScope scope(CcTest::isolate());
-  v8::Handle<v8::String> origin = v8::String::New("capture-stack-trace-test");
+  v8::Handle<v8::String> origin =
+      v8::String::NewFromUtf8(CcTest::isolate(), "capture-stack-trace-test");
   Local<ObjectTemplate> templ = ObjectTemplate::New();
   templ->Set(v8_str("AnalyzeStackInNativeCode"),
              v8::FunctionTemplate::New(AnalyzeStackInNativeCode));
   LocalContext context(0, templ);
 
   // Test getting OVERVIEW information. Should ignore information that is not
   // script name, function name, line number, and column offset.
   const char *overview_source =
     "function bar() {\n"
     "  var y; AnalyzeStackInNativeCode(1);\n"
     "}\n"
     "function foo() {\n"
     "\n"
     "  bar();\n"
     "}\n"
     "var x;eval('new foo();');";
-  v8::Handle<v8::String> overview_src = v8::String::New(overview_source);
+  v8::Handle<v8::String> overview_src =
+      v8::String::NewFromUtf8(CcTest::isolate(), overview_source);
   v8::Handle<Value> overview_result(
       v8::Script::New(overview_src, origin)->Run());
   CHECK(!overview_result.IsEmpty());
   CHECK(overview_result->IsObject());
 
   // Test getting DETAILED information.
   const char *detailed_source =
     "function bat() {AnalyzeStackInNativeCode(2);\n"
     "}\n"
     "\n"
     "function baz() {\n"
     "  bat();\n"
     "}\n"
     "eval('new baz();');";
-  v8::Handle<v8::String> detailed_src = v8::String::New(detailed_source);
+  v8::Handle<v8::String> detailed_src =
+      v8::String::NewFromUtf8(CcTest::isolate(), detailed_source);
   // Make the script using a non-zero line and column offset.
   v8::Handle<v8::Integer> line_offset = v8::Integer::New(3);
   v8::Handle<v8::Integer> column_offset = v8::Integer::New(5);
   v8::ScriptOrigin detailed_origin(origin, line_offset, column_offset);
   v8::Handle<v8::Script> detailed_script(
       v8::Script::New(detailed_src, &detailed_origin));
   v8::Handle<Value> detailed_result(detailed_script->Run());
   CHECK(!detailed_result.IsEmpty());
   CHECK(detailed_result->IsObject());
 }
@@ skipping 243 matching lines @@
 }
 
 
 TEST(ScriptIdInStackTrace) {
   v8::HandleScope scope(CcTest::isolate());
   Local<ObjectTemplate> templ = ObjectTemplate::New();
   templ->Set(v8_str("AnalyzeScriptIdInStack"),
              v8::FunctionTemplate::New(AnalyzeScriptIdInStack));
   LocalContext context(0, templ);
 
-  v8::Handle<v8::String> scriptSource = v8::String::New(
+  v8::Handle<v8::String> scriptSource = v8::String::NewFromUtf8(
+    CcTest::isolate(),
     "function foo() {\n"
     "  AnalyzeScriptIdInStack();"
     "}\n"
     "foo();\n");
-  v8::ScriptOrigin origin = v8::ScriptOrigin(v8::String::New("test"));
+  v8::ScriptOrigin origin =
+      v8::ScriptOrigin(v8::String::NewFromUtf8(CcTest::isolate(), "test"));
   v8::Local<v8::Script> script(v8::Script::Compile(scriptSource, &origin));
   script->Run();
   for (int i = 0; i < 2; i++) {
     CHECK(scriptIdInStack[i] != v8::Message::kNoScriptIdInfo);
     CHECK_EQ(scriptIdInStack[i], script->GetId());
   }
 }
 
 
 void AnalyzeStackOfInlineScriptWithSourceURL(
@@ skipping 328 matching lines @@
   const char* string = "Some string";
   uint16_t* two_byte_string = AsciiToTwoByteString(string);
   TestResource* resource[4];
   resource[0] = new TestResource(two_byte_string);
   v8::Local<v8::String> string0 = v8::String::NewExternal(resource[0]);
   resource[1] = new TestResource(two_byte_string);
   v8::Local<v8::String> string1 = v8::String::NewExternal(resource[1]);
 
   // Externalized symbol.
   resource[2] = new TestResource(two_byte_string);
-  v8::Local<v8::String> string2 = v8::String::NewSymbol(string);
+  v8::Local<v8::String> string2 = v8::String::NewFromUtf8(
+      env->GetIsolate(), string, v8::String::kInternalizedString);
   CHECK(string2->MakeExternal(resource[2]));
 
   // Symbolized External.
   resource[3] = new TestResource(AsciiToTwoByteString("Some other string"));
   v8::Local<v8::String> string3 = v8::String::NewExternal(resource[3]);
   CcTest::heap()->CollectAllAvailableGarbage();  // Tenure string.
   // Turn into a symbol.
   i::Handle<i::String> string3_i = v8::Utils::OpenHandle(*string3);
   CHECK(!CcTest::heap()->InternalizeString(*string3_i)->IsFailure());
   CHECK(string3_i->IsInternalizedString());
@@ skipping 154 matching lines @@
     tc.ReThrow();
 }
 
 
 // Test that an exception can be propagated down through a spaghetti
 // stack using ReThrow.
 THREADED_TEST(SpaghettiStackReThrow) {
   v8::HandleScope scope(CcTest::isolate());
   LocalContext context;
   context->Global()->Set(
-      v8::String::New("s"),
+      v8::String::NewFromUtf8(CcTest::isolate(), "s"),
       v8::FunctionTemplate::New(SpaghettiIncident)->GetFunction());
   v8::TryCatch try_catch;
   CompileRun(
       "var i = 0;"
       "var o = {"
       "  toString: function () {"
       "    if (i == 10) {"
       "      throw 'Hey!';"
       "    } else {"
       "      i++;"
@@ skipping 20 matching lines @@
   other_context = Context::New(isolate);
 
   // Context-dependent context data creates reference from the compilation
   // cache to the global object.
   const char* source_simple = "1";
   {
     v8::HandleScope scope(isolate);
     v8::Local<Context> context = Context::New(isolate);
 
     context->Enter();
-    Local<v8::String> obj = v8::String::New("");
+    Local<v8::String> obj = v8::String::NewFromUtf8(isolate, "");
     context->SetEmbedderData(0, obj);
     CompileRun(source_simple);
     context->Exit();
   }
   v8::V8::ContextDisposedNotification();
   for (gc_count = 1; gc_count < 10; gc_count++) {
     other_context->Enter();
     CompileRun(source_simple);
     other_context->Exit();
     CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
@@ skipping 51 matching lines @@
   CHECK_GE(2, gc_count);
   CHECK_EQ(1, GetGlobalObjectsCount());
 
   v8::V8::ContextDisposedNotification();
 }
 
 
 THREADED_TEST(ScriptOrigin) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
-  v8::ScriptOrigin origin = v8::ScriptOrigin(v8::String::New("test"));
-  v8::Handle<v8::String> script = v8::String::New(
-      "function f() {}\n\nfunction g() {}");
+  v8::ScriptOrigin origin =
+      v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
+  v8::Handle<v8::String> script = v8::String::NewFromUtf8(
+      env->GetIsolate(), "function f() {}\n\nfunction g() {}");
   v8::Script::Compile(script, &origin)->Run();
   v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("f")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
   v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("g")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "g")));
 
   v8::ScriptOrigin script_origin_f = f->GetScriptOrigin();
   CHECK_EQ("test", *v8::String::Utf8Value(script_origin_f.ResourceName()));
   CHECK_EQ(0, script_origin_f.ResourceLineOffset()->Int32Value());
 
   v8::ScriptOrigin script_origin_g = g->GetScriptOrigin();
   CHECK_EQ("test", *v8::String::Utf8Value(script_origin_g.ResourceName()));
   CHECK_EQ(0, script_origin_g.ResourceLineOffset()->Int32Value());
 }
 
 
 THREADED_TEST(FunctionGetInferredName) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
-  v8::ScriptOrigin origin = v8::ScriptOrigin(v8::String::New("test"));
-  v8::Handle<v8::String> script = v8::String::New(
+  v8::ScriptOrigin origin =
+      v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
+  v8::Handle<v8::String> script = v8::String::NewFromUtf8(
+      env->GetIsolate(),
       "var foo = { bar : { baz : function() {}}}; var f = foo.bar.baz;");
   v8::Script::Compile(script, &origin)->Run();
   v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("f")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
   CHECK_EQ("foo.bar.baz", *v8::String::Utf8Value(f->GetInferredName()));
 }
 
 
 THREADED_TEST(FunctionGetDisplayName) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   const char* code = "var error = false;"
                      "function a() { this.x = 1; };"
                      "a.displayName = 'display_a';"
@@ skipping 20 matching lines @@
                      "});"
                      "function f() {};"
                      "f.displayName = { 'foo': 6, toString: function() {"
                      "  error = true;"
                      "  return 'wrong_display_name';"
                      "}};"
                      "var g = function() {"
                      "  arguments.callee.displayName = 'set_in_runtime';"
                      "}; g();"
                      ;
-  v8::ScriptOrigin origin = v8::ScriptOrigin(v8::String::New("test"));
-  v8::Script::Compile(v8::String::New(code), &origin)->Run();
-  v8::Local<v8::Value> error = env->Global()->Get(v8::String::New("error"));
+  v8::ScriptOrigin origin =
+      v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
+  v8::Script::Compile(v8::String::NewFromUtf8(env->GetIsolate(), code), &origin)
+      ->Run();
+  v8::Local<v8::Value> error =
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "error"));
   v8::Local<v8::Function> a = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("a")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "a")));
   v8::Local<v8::Function> b = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("b")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "b")));
   v8::Local<v8::Function> c = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("c")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "c")));
   v8::Local<v8::Function> d = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("d")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "d")));
   v8::Local<v8::Function> e = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("e")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "e")));
   v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("f")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
   v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("g")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "g")));
   CHECK_EQ(false, error->BooleanValue());
   CHECK_EQ("display_a", *v8::String::Utf8Value(a->GetDisplayName()));
   CHECK_EQ("display_b", *v8::String::Utf8Value(b->GetDisplayName()));
   CHECK(c->GetDisplayName()->IsUndefined());
   CHECK(d->GetDisplayName()->IsUndefined());
   CHECK(e->GetDisplayName()->IsUndefined());
   CHECK(f->GetDisplayName()->IsUndefined());
   CHECK_EQ("set_in_runtime", *v8::String::Utf8Value(g->GetDisplayName()));
 }
 
 
 THREADED_TEST(ScriptLineNumber) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
-  v8::ScriptOrigin origin = v8::ScriptOrigin(v8::String::New("test"));
-  v8::Handle<v8::String> script = v8::String::New(
-      "function f() {}\n\nfunction g() {}");
+  v8::ScriptOrigin origin =
+      v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"));
+  v8::Handle<v8::String> script = v8::String::NewFromUtf8(
+      env->GetIsolate(), "function f() {}\n\nfunction g() {}");
   v8::Script::Compile(script, &origin)->Run();
   v8::Local<v8::Function> f = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("f")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "f")));
   v8::Local<v8::Function> g = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("g")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "g")));
   CHECK_EQ(0, f->GetScriptLineNumber());
   CHECK_EQ(2, g->GetScriptLineNumber());
 }
 
 
 THREADED_TEST(ScriptColumnNumber) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
-  v8::ScriptOrigin origin = v8::ScriptOrigin(v8::String::New("test"),
-      v8::Integer::New(3), v8::Integer::New(2));
-  v8::Handle<v8::String> script = v8::String::New(
-      "function foo() {}\n\n     function bar() {}");
+  v8::ScriptOrigin origin =
+      v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"),
+                       v8::Integer::New(3), v8::Integer::New(2));
+  v8::Handle<v8::String> script = v8::String::NewFromUtf8(
+      env->GetIsolate(), "function foo() {}\n\n     function bar() {}");
   v8::Script::Compile(script, &origin)->Run();
   v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("foo")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
   v8::Local<v8::Function> bar = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("bar")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "bar")));
   CHECK_EQ(14, foo->GetScriptColumnNumber());
   CHECK_EQ(17, bar->GetScriptColumnNumber());
 }
 
 
 THREADED_TEST(FunctionIsBuiltin) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   v8::Local<v8::Function> f;
   f = v8::Local<v8::Function>::Cast(CompileRun("Math.floor"));
   CHECK(f->IsBuiltin());
   f = v8::Local<v8::Function>::Cast(CompileRun("Object"));
   CHECK(f->IsBuiltin());
   f = v8::Local<v8::Function>::Cast(CompileRun("Object.__defineSetter__"));
   CHECK(f->IsBuiltin());
   f = v8::Local<v8::Function>::Cast(CompileRun("Array.prototype.toString"));
   CHECK(f->IsBuiltin());
   f = v8::Local<v8::Function>::Cast(CompileRun("function a() {}; a;"));
   CHECK(!f->IsBuiltin());
 }
 
 
 THREADED_TEST(FunctionGetScriptId) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
-  v8::ScriptOrigin origin = v8::ScriptOrigin(v8::String::New("test"),
-      v8::Integer::New(3), v8::Integer::New(2));
-  v8::Handle<v8::String> scriptSource = v8::String::New(
-      "function foo() {}\n\n     function bar() {}");
+  v8::ScriptOrigin origin =
+      v8::ScriptOrigin(v8::String::NewFromUtf8(env->GetIsolate(), "test"),
+                       v8::Integer::New(3), v8::Integer::New(2));
+  v8::Handle<v8::String> scriptSource = v8::String::NewFromUtf8(
+      env->GetIsolate(), "function foo() {}\n\n     function bar() {}");
   v8::Local<v8::Script> script(v8::Script::Compile(scriptSource, &origin));
   script->Run();
   v8::Local<v8::Function> foo = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("foo")));
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "foo")));
   v8::Local<v8::Function> bar = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("bar")));
-  CHECK_EQ(script->Id(), foo->GetScriptId());
-  CHECK_EQ(script->Id(), bar->GetScriptId());
+      env->Global()->Get(v8::String::NewFromUtf8(env->GetIsolate(), "bar")));
+  CHECK_EQ(script->GetId(), foo->ScriptId());
+  CHECK_EQ(script->GetId(), bar->ScriptId());
 }
 
 
 static void GetterWhichReturns42(
     Local<String> name,
     const v8::PropertyCallbackInfo<v8::Value>& info) {
   CHECK(v8::Utils::OpenHandle(*info.This())->IsJSObject());
   CHECK(v8::Utils::OpenHandle(*info.Holder())->IsJSObject());
   info.GetReturnValue().Set(v8_num(42));
 }
@@ skipping 775 matching lines @@
   {
     v8::HandleScope scope(v8::Isolate::GetCurrent());
     v8::Local<v8::Context> context =
         v8::Local<v8::Context>::New(v8::Isolate::GetCurrent(), context1);
     v8::Context::Scope context_scope(context);
     ExpectString("function f() { return foo; }; f()", "isolate 1");
   }
 
   {
     v8::Isolate::Scope iscope(isolate2);
-    context2.Dispose();
+    context2.Reset();
   }
 
-  context1.Dispose();
+  context1.Reset();
   isolate1->Exit();
 
   v8::V8::SetFatalErrorHandler(StoringErrorCallback);
   last_location = last_message = NULL;
 
   isolate1->Dispose();
   CHECK_EQ(last_location, NULL);
   CHECK_EQ(last_message, NULL);
 
   isolate2->Dispose();
@@ skipping 394 matching lines @@
   v8::HandleScope scope(isolate);
   v8::Persistent<v8::Object> object(isolate, v8::Object::New());
   CHECK_EQ(0, object.WrapperClassId());
   object.SetWrapperClassId(42);
   CHECK_EQ(42, object.WrapperClassId());
 
   Visitor42 visitor(&object);
   v8::V8::VisitHandlesWithClassIds(&visitor);
   CHECK_EQ(1, visitor.counter_);
 
-  object.Dispose();
+  object.Reset();
 }
 
 
 TEST(WrapperClassId) {
   LocalContext context;
   v8::Isolate* isolate = context->GetIsolate();
   v8::HandleScope scope(isolate);
   v8::Persistent<v8::Object> object(isolate, v8::Object::New());
   CHECK_EQ(0, object.WrapperClassId());
   object.SetWrapperClassId(65535);
   CHECK_EQ(65535, object.WrapperClassId());
-  object.Dispose();
+  object.Reset();
 }
 
 
 TEST(PersistentHandleInNewSpaceVisitor) {
   LocalContext context;
   v8::Isolate* isolate = context->GetIsolate();
   v8::HandleScope scope(isolate);
   v8::Persistent<v8::Object> object1(isolate, v8::Object::New());
   CHECK_EQ(0, object1.WrapperClassId());
   object1.SetWrapperClassId(42);
   CHECK_EQ(42, object1.WrapperClassId());
 
   CcTest::heap()->CollectAllGarbage(i::Heap::kNoGCFlags);
 
   v8::Persistent<v8::Object> object2(isolate, v8::Object::New());
   CHECK_EQ(0, object2.WrapperClassId());
   object2.SetWrapperClassId(42);
   CHECK_EQ(42, object2.WrapperClassId());
 
   Visitor42 visitor(&object2);
   v8::V8::VisitHandlesForPartialDependence(isolate, &visitor);
   CHECK_EQ(1, visitor.counter_);
 
-  object1.Dispose();
-  object2.Dispose();
+  object1.Reset();
+  object2.Reset();
 }
 
 
 TEST(RegExp) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
 
   v8::Handle<v8::RegExp> re = v8::RegExp::New(v8_str("foo"), v8::RegExp::kNone);
   CHECK(re->IsRegExp());
   CHECK(re->GetSource()->Equals(v8_str("foo")));
@@ skipping 794 matching lines @@
   v8::HandleScope scope(env->GetIsolate());
   v8::Handle<v8::FunctionTemplate> recursive_runtime =
       v8::FunctionTemplate::New(RecursiveCall);
   env->Global()->Set(v8_str("recursion"),
                      recursive_runtime->GetFunction());
   // Adding the same callback a second time has no effect.
   v8::V8::AddCallCompletedCallback(CallCompletedCallback1);
   v8::V8::AddCallCompletedCallback(CallCompletedCallback1);
   v8::V8::AddCallCompletedCallback(CallCompletedCallback2);
   i::OS::Print("--- Script (1) ---\n");
-  Local<Script> script =
-      v8::Script::Compile(v8::String::New("recursion(0)"));
+  Local<Script> script = v8::Script::Compile(
+      v8::String::NewFromUtf8(env->GetIsolate(), "recursion(0)"));
   script->Run();
   CHECK_EQ(3, callback_fired);
 
   i::OS::Print("\n--- Script (2) ---\n");
   callback_fired = 0;
   v8::V8::RemoveCallCompletedCallback(CallCompletedCallback1);
   script->Run();
   CHECK_EQ(2, callback_fired);
 
   i::OS::Print("\n--- Function ---\n");
@@ skipping 592 matching lines @@
   Local<Object> map_object(Local<Object>::Cast(map_value));
   CHECK_EQ(0, map_object->InternalFieldCount());
 }
 
 
 THREADED_TEST(Regress2746) {
   LocalContext context;
   v8::Isolate* isolate = context->GetIsolate();
   v8::HandleScope scope(isolate);
   Local<Object> obj = Object::New();
-  Local<String> key = String::New("key");
+  Local<String> key = String::NewFromUtf8(context->GetIsolate(), "key");
   obj->SetHiddenValue(key, v8::Undefined(isolate));
   Local<Value> value = obj->GetHiddenValue(key);
   CHECK(!value.IsEmpty());
   CHECK(value->IsUndefined());
 }
 
 
 THREADED_TEST(Regress260106) {
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
@@ skipping 425 matching lines @@
   }
   for (int i = 0; i < runs; i++) {
     Local<String> expected;
     if (i != 0) {
       CHECK_EQ(v8_str("escape value"), values[i]);
     } else {
       CHECK(values[i].IsEmpty());
     }
   }
 }