| Index: src/api.cc | 
| diff --git a/src/api.cc b/src/api.cc | 
| index e70523786734aed28d4e9e8c8299cc2e4900e482..541de6f413926f204d6c44f7d72ef5e0dd6803bf 100644 | 
| --- a/src/api.cc | 
| +++ b/src/api.cc | 
| @@ -55,14 +55,14 @@ | 
|  | 
| // TODO(isolates): avoid repeated TLS reads in function prologues. | 
| #ifdef ENABLE_VMSTATE_TRACKING | 
| -#define ENTER_V8                                        \ | 
| -  ASSERT(i::Isolate::Current()->IsInitialized());                           \ | 
| -  i::VMState __state__(i::Isolate::Current(), i::OTHER) | 
| -#define LEAVE_V8 \ | 
| -  i::VMState __state__(i::Isolate::Current(), i::EXTERNAL) | 
| +#define ENTER_V8(isolate)                                        \ | 
| +  ASSERT((isolate)->IsInitialized());                           \ | 
| +  i::VMState __state__((isolate), i::OTHER) | 
| +#define LEAVE_V8(isolate) \ | 
| +  i::VMState __state__((isolate), i::EXTERNAL) | 
| #else | 
| -#define ENTER_V8 ((void) 0) | 
| -#define LEAVE_V8 ((void) 0) | 
| +#define ENTER_V8(isolate) ((void) 0) | 
| +#define LEAVE_V8(isolate) ((void) 0) | 
| #endif | 
|  | 
| namespace v8 { | 
| @@ -75,25 +75,25 @@ namespace v8 { | 
| } | 
|  | 
|  | 
| -#define EXCEPTION_PREAMBLE()                                                \ | 
| -  i::Isolate::Current()->handle_scope_implementer()->IncrementCallDepth();  \ | 
| -  ASSERT(!i::Isolate::Current()->external_caught_exception());              \ | 
| +#define EXCEPTION_PREAMBLE(isolate)                                         \ | 
| +  (isolate)->handle_scope_implementer()->IncrementCallDepth();              \ | 
| +  ASSERT(!(isolate)->external_caught_exception());                          \ | 
| bool has_pending_exception = false | 
|  | 
|  | 
| -#define EXCEPTION_BAILOUT_CHECK(value)                                         \ | 
| +#define EXCEPTION_BAILOUT_CHECK(isolate, value)                                \ | 
| do {                                                                         \ | 
| i::HandleScopeImplementer* handle_scope_implementer =                      \ | 
| -        isolate->handle_scope_implementer();                                   \ | 
| +        (isolate)->handle_scope_implementer();                                 \ | 
| handle_scope_implementer->DecrementCallDepth();                            \ | 
| if (has_pending_exception) {                                               \ | 
| if (handle_scope_implementer->CallDepthIsZero() &&                       \ | 
| -          i::Isolate::Current()->is_out_of_memory()) {                         \ | 
| +          (isolate)->is_out_of_memory()) {                                     \ | 
| if (!handle_scope_implementer->ignore_out_of_memory())                 \ | 
| i::V8::FatalProcessOutOfMemory(NULL);                                \ | 
| }                                                                        \ | 
| bool call_depth_is_zero = handle_scope_implementer->CallDepthIsZero();   \ | 
| -      i::Isolate::Current()->OptionalRescheduleException(call_depth_is_zero);  \ | 
| +      (isolate)->OptionalRescheduleException(call_depth_is_zero);              \ | 
| return value;                                                            \ | 
| }                                                                          \ | 
| } while (false) | 
| @@ -191,11 +191,12 @@ void i::V8::FatalProcessOutOfMemory(const char* location, bool take_snapshot) { | 
| heap_stats.os_error = &os_error; | 
| int end_marker; | 
| heap_stats.end_marker = &end_marker; | 
| -  HEAP->RecordStats(&heap_stats, take_snapshot); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  isolate->heap()->RecordStats(&heap_stats, take_snapshot); | 
| i::V8::SetFatalError(); | 
| FatalErrorCallback callback = GetFatalErrorHandler(); | 
| { | 
| -    LEAVE_V8; | 
| +    LEAVE_V8(isolate); | 
| callback(location, "Allocation failed - process out of memory"); | 
| } | 
| // If the callback returns, we stop execution. | 
| @@ -282,11 +283,6 @@ static inline bool EnsureInitializedForIsolate(i::Isolate* isolate, | 
| return ApiCheck(InitializeHelper(), location, "Error initializing V8"); | 
| } | 
|  | 
| -static inline bool EnsureInitialized(const char* location) { | 
| -  i::Isolate* isolate = i::Isolate::UncheckedCurrent(); | 
| -  return EnsureInitializedForIsolate(isolate, location); | 
| -} | 
| - | 
| // Some initializing API functions are called early and may be | 
| // called on a thread different from static initializer thread. | 
| // If Isolate API is used, Isolate::Enter() will initialize TLS so | 
| @@ -320,8 +316,12 @@ void ImplementationUtilities::ZapHandleRange(i::Object** begin, | 
|  | 
|  | 
| v8::Handle<v8::Primitive> ImplementationUtilities::Undefined() { | 
| -  if (!EnsureInitialized("v8::Undefined()")) return v8::Handle<v8::Primitive>(); | 
| -  return v8::Handle<Primitive>(ToApi<Primitive>(FACTORY->undefined_value())); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (!EnsureInitializedForIsolate(isolate, "v8::Undefined()")) { | 
| +    return v8::Handle<v8::Primitive>(); | 
| +  } | 
| +  return v8::Handle<Primitive>(ToApi<Primitive>( | 
| +      isolate->factory()->undefined_value())); | 
| } | 
|  | 
|  | 
| @@ -335,14 +335,22 @@ v8::Handle<v8::Primitive> ImplementationUtilities::Null() { | 
|  | 
|  | 
| v8::Handle<v8::Boolean> ImplementationUtilities::True() { | 
| -  if (!EnsureInitialized("v8::True()")) return v8::Handle<v8::Boolean>(); | 
| -  return v8::Handle<v8::Boolean>(ToApi<Boolean>(FACTORY->true_value())); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (!EnsureInitializedForIsolate(isolate, "v8::True()")) { | 
| +    return v8::Handle<v8::Boolean>(); | 
| +  } | 
| +  return v8::Handle<v8::Boolean>(ToApi<Boolean>( | 
| +      isolate->factory()->true_value())); | 
| } | 
|  | 
|  | 
| v8::Handle<v8::Boolean> ImplementationUtilities::False() { | 
| -  if (!EnsureInitialized("v8::False()")) return v8::Handle<v8::Boolean>(); | 
| -  return v8::Handle<v8::Boolean>(ToApi<Boolean>(FACTORY->false_value())); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (!EnsureInitializedForIsolate(isolate, "v8::False()")) { | 
| +    return v8::Handle<v8::Boolean>(); | 
| +  } | 
| +  return v8::Handle<v8::Boolean>(ToApi<Boolean>( | 
| +      isolate->factory()->false_value())); | 
| } | 
|  | 
| void V8::SetFlagsFromString(const char* str, int length) { | 
| @@ -360,7 +368,7 @@ v8::Handle<Value> ThrowException(v8::Handle<v8::Value> value) { | 
| if (IsDeadCheck(isolate, "v8::ThrowException()")) { | 
| return v8::Handle<Value>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| // If we're passed an empty handle, we throw an undefined exception | 
| // to deal more gracefully with out of memory situations. | 
| if (value.IsEmpty()) { | 
| @@ -550,7 +558,8 @@ void HandleScope::Leave() { | 
|  | 
|  | 
| int HandleScope::NumberOfHandles() { | 
| -  EnsureInitialized("HandleScope::NumberOfHandles"); | 
| +  EnsureInitializedForIsolate( | 
| +      i::Isolate::Current(), "HandleScope::NumberOfHandles"); | 
| return i::HandleScope::NumberOfHandles(); | 
| } | 
|  | 
| @@ -571,7 +580,8 @@ void Context::Enter() { | 
| // TODO(isolates): Context should have a pointer to isolate. | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| if (IsDeadCheck(isolate, "v8::Context::Enter()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| + | 
| i::Handle<i::Context> env = Utils::OpenHandle(this); | 
| isolate->handle_scope_implementer()->EnterContext(env); | 
|  | 
| @@ -602,7 +612,7 @@ void Context::SetData(v8::Handle<String> data) { | 
| // TODO(isolates): Context should have a pointer to isolate. | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| if (IsDeadCheck(isolate, "v8::Context::SetData()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| { | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::Context> env = Utils::OpenHandle(this); | 
| @@ -621,7 +631,7 @@ v8::Local<v8::Value> Context::GetData() { | 
| if (IsDeadCheck(isolate, "v8::Context::GetData()")) { | 
| return v8::Local<Value>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Object* raw_result = NULL; | 
| { | 
| i::HandleScope scope(isolate); | 
| @@ -673,10 +683,11 @@ i::Object** v8::HandleScope::RawClose(i::Object** value) { | 
| // NeanderObject constructor.  When you add one to the site calling the | 
| // constructor you should check that you ensured the VM was not dead first. | 
| NeanderObject::NeanderObject(int size) { | 
| -  EnsureInitialized("v8::Nowhere"); | 
| -  ENTER_V8; | 
| -  value_ = FACTORY->NewNeanderObject(); | 
| -  i::Handle<i::FixedArray> elements = FACTORY->NewFixedArray(size); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  EnsureInitializedForIsolate(isolate, "v8::Nowhere"); | 
| +  ENTER_V8(isolate); | 
| +  value_ = isolate->factory()->NewNeanderObject(); | 
| +  i::Handle<i::FixedArray> elements = isolate->factory()->NewFixedArray(size); | 
| value_->set_elements(*elements); | 
| } | 
|  | 
| @@ -740,7 +751,7 @@ void Template::Set(v8::Handle<String> name, v8::Handle<Data> value, | 
| v8::PropertyAttribute attribute) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| if (IsDeadCheck(isolate, "v8::Template::Set()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::Object> list(Utils::OpenHandle(this)->property_list()); | 
| if (list->IsUndefined()) { | 
| @@ -763,11 +774,11 @@ static void InitializeFunctionTemplate( | 
|  | 
|  | 
| Local<ObjectTemplate> FunctionTemplate::PrototypeTemplate() { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::FunctionTemplate::PrototypeTemplate()")) { | 
| return Local<ObjectTemplate>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Object> result(Utils::OpenHandle(this)->prototype_template()); | 
| if (result->IsUndefined()) { | 
| result = Utils::OpenHandle(*ObjectTemplate::New()); | 
| @@ -778,9 +789,9 @@ Local<ObjectTemplate> FunctionTemplate::PrototypeTemplate() { | 
|  | 
|  | 
| void FunctionTemplate::Inherit(v8::Handle<FunctionTemplate> value) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::FunctionTemplate::Inherit()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| Utils::OpenHandle(this)->set_parent_template(*Utils::OpenHandle(*value)); | 
| } | 
|  | 
| @@ -790,9 +801,9 @@ Local<FunctionTemplate> FunctionTemplate::New(InvocationCallback callback, | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::FunctionTemplate::New()"); | 
| LOG_API(isolate, "FunctionTemplate::New"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Struct> struct_obj = | 
| -      FACTORY->NewStruct(i::FUNCTION_TEMPLATE_INFO_TYPE); | 
| +      isolate->factory()->NewStruct(i::FUNCTION_TEMPLATE_INFO_TYPE); | 
| i::Handle<i::FunctionTemplateInfo> obj = | 
| i::Handle<i::FunctionTemplateInfo>::cast(struct_obj); | 
| InitializeFunctionTemplate(obj); | 
| @@ -817,7 +828,7 @@ Local<Signature> Signature::New(Handle<FunctionTemplate> receiver, | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::Signature::New()"); | 
| LOG_API(isolate, "Signature::New"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Struct> struct_obj = | 
| FACTORY->NewStruct(i::SIGNATURE_INFO_TYPE); | 
| i::Handle<i::SignatureInfo> obj = | 
| @@ -845,7 +856,7 @@ Local<TypeSwitch> TypeSwitch::New(int argc, Handle<FunctionTemplate> types[]) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::TypeSwitch::New()"); | 
| LOG_API(isolate, "TypeSwitch::New"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::FixedArray> vector = isolate->factory()->NewFixedArray(argc); | 
| for (int i = 0; i < argc; i++) | 
| vector->set(i, *Utils::OpenHandle(*types[i])); | 
| @@ -880,9 +891,9 @@ int TypeSwitch::match(v8::Handle<Value> value) { | 
|  | 
| void FunctionTemplate::SetCallHandler(InvocationCallback callback, | 
| v8::Handle<Value> data) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetCallHandler()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::Struct> struct_obj = | 
| FACTORY->NewStruct(i::CALL_HANDLER_INFO_TYPE); | 
| @@ -924,12 +935,12 @@ void FunctionTemplate::AddInstancePropertyAccessor( | 
| v8::Handle<Value> data, | 
| v8::AccessControl settings, | 
| v8::PropertyAttribute attributes) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, | 
| "v8::FunctionTemplate::AddInstancePropertyAccessor()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
|  | 
| i::Handle<i::AccessorInfo> obj = MakeAccessorInfo(name, | 
| @@ -946,11 +957,11 @@ void FunctionTemplate::AddInstancePropertyAccessor( | 
|  | 
|  | 
| Local<ObjectTemplate> FunctionTemplate::InstanceTemplate() { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::FunctionTemplate::InstanceTemplate()") | 
| || EmptyCheck("v8::FunctionTemplate::InstanceTemplate()", this)) | 
| return Local<ObjectTemplate>(); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| if (Utils::OpenHandle(this)->instance_template()->IsUndefined()) { | 
| Local<ObjectTemplate> templ = | 
| ObjectTemplate::New(v8::Handle<FunctionTemplate>(this)); | 
| @@ -963,19 +974,19 @@ Local<ObjectTemplate> FunctionTemplate::InstanceTemplate() { | 
|  | 
|  | 
| void FunctionTemplate::SetClassName(Handle<String> name) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetClassName()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| Utils::OpenHandle(this)->set_class_name(*Utils::OpenHandle(*name)); | 
| } | 
|  | 
|  | 
| void FunctionTemplate::SetHiddenPrototype(bool value) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetHiddenPrototype()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| Utils::OpenHandle(this)->set_hidden_prototype(value); | 
| } | 
|  | 
| @@ -987,12 +998,12 @@ void FunctionTemplate::SetNamedInstancePropertyHandler( | 
| NamedPropertyDeleter remover, | 
| NamedPropertyEnumerator enumerator, | 
| Handle<Value> data) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, | 
| "v8::FunctionTemplate::SetNamedInstancePropertyHandler()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::Struct> struct_obj = | 
| isolate->factory()->NewStruct(i::INTERCEPTOR_INFO_TYPE); | 
| @@ -1018,12 +1029,12 @@ void FunctionTemplate::SetIndexedInstancePropertyHandler( | 
| IndexedPropertyDeleter remover, | 
| IndexedPropertyEnumerator enumerator, | 
| Handle<Value> data) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, | 
| "v8::FunctionTemplate::SetIndexedInstancePropertyHandler()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::Struct> struct_obj = | 
| isolate->factory()->NewStruct(i::INTERCEPTOR_INFO_TYPE); | 
| @@ -1045,12 +1056,12 @@ void FunctionTemplate::SetIndexedInstancePropertyHandler( | 
| void FunctionTemplate::SetInstanceCallAsFunctionHandler( | 
| InvocationCallback callback, | 
| Handle<Value> data) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, | 
| "v8::FunctionTemplate::SetInstanceCallAsFunctionHandler()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::Struct> struct_obj = | 
| isolate->factory()->NewStruct(i::CALL_HANDLER_INFO_TYPE); | 
| @@ -1079,9 +1090,9 @@ Local<ObjectTemplate> ObjectTemplate::New( | 
| } | 
| EnsureInitializedForIsolate(isolate, "v8::ObjectTemplate::New()"); | 
| LOG_API(isolate, "ObjectTemplate::New"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Struct> struct_obj = | 
| -      FACTORY->NewStruct(i::OBJECT_TEMPLATE_INFO_TYPE); | 
| +      isolate->factory()->NewStruct(i::OBJECT_TEMPLATE_INFO_TYPE); | 
| i::Handle<i::ObjectTemplateInfo> obj = | 
| i::Handle<i::ObjectTemplateInfo>::cast(struct_obj); | 
| InitializeTemplate(obj, Consts::OBJECT_TEMPLATE); | 
| @@ -1110,9 +1121,9 @@ void ObjectTemplate::SetAccessor(v8::Handle<String> name, | 
| v8::Handle<Value> data, | 
| AccessControl settings, | 
| PropertyAttribute attribute) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetAccessor()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| EnsureConstructor(this); | 
| i::FunctionTemplateInfo* constructor = | 
| @@ -1133,12 +1144,12 @@ void ObjectTemplate::SetNamedPropertyHandler(NamedPropertyGetter getter, | 
| NamedPropertyDeleter remover, | 
| NamedPropertyEnumerator enumerator, | 
| Handle<Value> data) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetNamedPropertyHandler()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| -  HandleScope scope; | 
| +  ENTER_V8(isolate); | 
| +  i::HandleScope scope(isolate); | 
| EnsureConstructor(this); | 
| i::FunctionTemplateInfo* constructor = | 
| i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor()); | 
| @@ -1153,9 +1164,9 @@ void ObjectTemplate::SetNamedPropertyHandler(NamedPropertyGetter getter, | 
|  | 
|  | 
| void ObjectTemplate::MarkAsUndetectable() { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::ObjectTemplate::MarkAsUndetectable()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| EnsureConstructor(this); | 
| i::FunctionTemplateInfo* constructor = | 
| @@ -1170,11 +1181,11 @@ void ObjectTemplate::SetAccessCheckCallbacks( | 
| IndexedSecurityCallback indexed_callback, | 
| Handle<Value> data, | 
| bool turned_on_by_default) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetAccessCheckCallbacks()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| EnsureConstructor(this); | 
|  | 
| @@ -1204,11 +1215,11 @@ void ObjectTemplate::SetIndexedPropertyHandler( | 
| IndexedPropertyDeleter remover, | 
| IndexedPropertyEnumerator enumerator, | 
| Handle<Value> data) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetIndexedPropertyHandler()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| EnsureConstructor(this); | 
| i::FunctionTemplateInfo* constructor = | 
| @@ -1225,12 +1236,12 @@ void ObjectTemplate::SetIndexedPropertyHandler( | 
|  | 
| void ObjectTemplate::SetCallAsFunctionHandler(InvocationCallback callback, | 
| Handle<Value> data) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, | 
| "v8::ObjectTemplate::SetCallAsFunctionHandler()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| EnsureConstructor(this); | 
| i::FunctionTemplateInfo* constructor = | 
| @@ -1241,7 +1252,7 @@ void ObjectTemplate::SetCallAsFunctionHandler(InvocationCallback callback, | 
|  | 
|  | 
| int ObjectTemplate::InternalFieldCount() { | 
| -  if (IsDeadCheck(i::Isolate::Current(), | 
| +  if (IsDeadCheck(Utils::OpenHandle(this)->GetIsolate(), | 
| "v8::ObjectTemplate::InternalFieldCount()")) { | 
| return 0; | 
| } | 
| @@ -1250,7 +1261,7 @@ int ObjectTemplate::InternalFieldCount() { | 
|  | 
|  | 
| void ObjectTemplate::SetInternalFieldCount(int value) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetInternalFieldCount()")) { | 
| return; | 
| } | 
| @@ -1259,7 +1270,7 @@ void ObjectTemplate::SetInternalFieldCount(int value) { | 
| "Invalid internal field count")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| if (value > 0) { | 
| // The internal field count is set by the constructor function's | 
| // construct code, so we ensure that there is a constructor | 
| @@ -1324,7 +1335,7 @@ Local<Script> Script::New(v8::Handle<String> source, | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| ON_BAILOUT(isolate, "v8::Script::New()", return Local<Script>()); | 
| LOG_API(isolate, "Script::New"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::String> str = Utils::OpenHandle(*source); | 
| i::Handle<i::Object> name_obj; | 
| int line_offset = 0; | 
| @@ -1340,7 +1351,7 @@ Local<Script> Script::New(v8::Handle<String> source, | 
| column_offset = static_cast<int>(origin->ResourceColumnOffset()->Value()); | 
| } | 
| } | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::ScriptDataImpl* pre_data_impl = static_cast<i::ScriptDataImpl*>(pre_data); | 
| // We assert that the pre-data is sane, even though we can actually | 
| // handle it if it turns out not to be in release mode. | 
| @@ -1359,7 +1370,7 @@ Local<Script> Script::New(v8::Handle<String> source, | 
| Utils::OpenHandle(*script_data), | 
| i::NOT_NATIVES_CODE); | 
| has_pending_exception = result.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<Script>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<Script>()); | 
| return Local<Script>(ToApi<Script>(result)); | 
| } | 
|  | 
| @@ -1378,7 +1389,7 @@ Local<Script> Script::Compile(v8::Handle<String> source, | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| ON_BAILOUT(isolate, "v8::Script::Compile()", return Local<Script>()); | 
| LOG_API(isolate, "Script::Compile"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| Local<Script> generic = New(source, origin, pre_data, script_data); | 
| if (generic.IsEmpty()) | 
| return generic; | 
| @@ -1386,9 +1397,9 @@ Local<Script> Script::Compile(v8::Handle<String> source, | 
| i::Handle<i::SharedFunctionInfo> function = | 
| i::Handle<i::SharedFunctionInfo>(i::SharedFunctionInfo::cast(*obj)); | 
| i::Handle<i::JSFunction> result = | 
| -      FACTORY->NewFunctionFromSharedFunctionInfo( | 
| +      isolate->factory()->NewFunctionFromSharedFunctionInfo( | 
| function, | 
| -          i::Isolate::Current()->global_context()); | 
| +          isolate->global_context()); | 
| return Local<Script>(ToApi<Script>(result)); | 
| } | 
|  | 
| @@ -1405,7 +1416,7 @@ Local<Value> Script::Run() { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| ON_BAILOUT(isolate, "v8::Script::Run()", return Local<Value>()); | 
| LOG_API(isolate, "Script::Run"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Object* raw_result = NULL; | 
| { | 
| HandleScope scope; | 
| @@ -1419,12 +1430,12 @@ Local<Value> Script::Run() { | 
| } else { | 
| fun = i::Handle<i::JSFunction>(i::JSFunction::cast(*obj)); | 
| } | 
| -    EXCEPTION_PREAMBLE(); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> receiver( | 
| i::Isolate::Current()->context()->global_proxy()); | 
| i::Handle<i::Object> result = | 
| i::Execution::Call(fun, receiver, 0, NULL, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(Local<Value>()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); | 
| raw_result = *result; | 
| } | 
| i::Handle<i::Object> result(raw_result); | 
| @@ -1578,9 +1589,9 @@ void v8::TryCatch::SetCaptureMessage(bool value) { | 
|  | 
|  | 
| Local<String> Message::Get() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Message::Get()", return Local<String>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::String> raw_result = i::MessageHandler::GetMessage(obj); | 
| @@ -1590,11 +1601,11 @@ Local<String> Message::Get() const { | 
|  | 
|  | 
| v8::Handle<Value> Message::GetScriptResourceName() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::Message::GetScriptResourceName()")) { | 
| return Local<String>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::JSMessageObject> message = | 
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); | 
| @@ -1607,11 +1618,11 @@ v8::Handle<Value> Message::GetScriptResourceName() const { | 
|  | 
|  | 
| v8::Handle<Value> Message::GetScriptData() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::Message::GetScriptResourceData()")) { | 
| return Local<Value>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::JSMessageObject> message = | 
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); | 
| @@ -1624,11 +1635,11 @@ v8::Handle<Value> Message::GetScriptData() const { | 
|  | 
|  | 
| v8::Handle<v8::StackTrace> Message::GetStackTrace() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::Message::GetStackTrace()")) { | 
| return Local<v8::StackTrace>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::JSMessageObject> message = | 
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); | 
| @@ -1670,24 +1681,24 @@ static i::Handle<i::Object> CallV8HeapFunction(const char* name, | 
|  | 
|  | 
| int Message::GetLineNumber() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Message::GetLineNumber()", return kNoLineNumberInfo); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
|  | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> result = CallV8HeapFunction("GetLineNumber", | 
| Utils::OpenHandle(this), | 
| &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(0); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, 0); | 
| return static_cast<int>(result->Number()); | 
| } | 
|  | 
|  | 
| int Message::GetStartPosition() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::Message::GetStartPosition()")) return 0; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSMessageObject> message = | 
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); | 
| @@ -1696,9 +1707,9 @@ int Message::GetStartPosition() const { | 
|  | 
|  | 
| int Message::GetEndPosition() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::Message::GetEndPosition()")) return 0; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSMessageObject> message = | 
| i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this)); | 
| @@ -1707,35 +1718,35 @@ int Message::GetEndPosition() const { | 
|  | 
|  | 
| int Message::GetStartColumn() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::Message::GetStartColumn()")) { | 
| return kNoColumnInfo; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> start_col_obj = CallV8HeapFunction( | 
| "GetPositionInLine", | 
| data_obj, | 
| &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(0); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, 0); | 
| return static_cast<int>(start_col_obj->Number()); | 
| } | 
|  | 
|  | 
| int Message::GetEndColumn() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::Message::GetEndColumn()")) return kNoColumnInfo; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> start_col_obj = CallV8HeapFunction( | 
| "GetPositionInLine", | 
| data_obj, | 
| &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(0); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, 0); | 
| i::Handle<i::JSMessageObject> message = | 
| i::Handle<i::JSMessageObject>::cast(data_obj); | 
| int start = message->start_position(); | 
| @@ -1745,15 +1756,15 @@ int Message::GetEndColumn() const { | 
|  | 
|  | 
| Local<String> Message::GetSourceLine() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Message::GetSourceLine()", return Local<String>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> result = CallV8HeapFunction("GetSourceLine", | 
| Utils::OpenHandle(this), | 
| &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<v8::String>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::String>()); | 
| if (result->IsString()) { | 
| return scope.Close(Utils::ToLocal(i::Handle<i::String>::cast(result))); | 
| } else { | 
| @@ -1765,7 +1776,7 @@ Local<String> Message::GetSourceLine() const { | 
| void Message::PrintCurrentStackTrace(FILE* out) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| if (IsDeadCheck(isolate, "v8::Message::PrintCurrentStackTrace()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| isolate->PrintCurrentStackTrace(out); | 
| } | 
|  | 
| @@ -1773,11 +1784,11 @@ void Message::PrintCurrentStackTrace(FILE* out) { | 
| // --- S t a c k T r a c e --- | 
|  | 
| Local<StackFrame> StackTrace::GetFrame(uint32_t index) const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackTrace::GetFrame()")) { | 
| return Local<StackFrame>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::JSArray> self = Utils::OpenHandle(this); | 
| i::Object* raw_object = self->GetElementNoExceptionThrown(index); | 
| @@ -1787,17 +1798,17 @@ Local<StackFrame> StackTrace::GetFrame(uint32_t index) const { | 
|  | 
|  | 
| int StackTrace::GetFrameCount() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackTrace::GetFrameCount()")) return -1; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| return i::Smi::cast(Utils::OpenHandle(this)->length())->value(); | 
| } | 
|  | 
|  | 
| Local<Array> StackTrace::AsArray() { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackTrace::AsArray()")) Local<Array>(); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| return Utils::ToLocal(Utils::OpenHandle(this)); | 
| } | 
|  | 
| @@ -1808,7 +1819,7 @@ Local<StackTrace> StackTrace::CurrentStackTrace(int frame_limit, | 
| if (IsDeadCheck(isolate, "v8::StackTrace::CurrentStackTrace()")) { | 
| Local<StackTrace>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSArray> stackTrace = | 
| isolate->CaptureCurrentStackTrace(frame_limit, options); | 
| return Utils::StackTraceToLocal(stackTrace); | 
| @@ -1818,11 +1829,11 @@ Local<StackTrace> StackTrace::CurrentStackTrace(int frame_limit, | 
| // --- S t a c k F r a m e --- | 
|  | 
| int StackFrame::GetLineNumber() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackFrame::GetLineNumber()")) { | 
| return Message::kNoLineNumberInfo; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> line = GetProperty(self, "lineNumber"); | 
| @@ -1834,11 +1845,11 @@ int StackFrame::GetLineNumber() const { | 
|  | 
|  | 
| int StackFrame::GetColumn() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackFrame::GetColumn()")) { | 
| return Message::kNoColumnInfo; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> column = GetProperty(self, "column"); | 
| @@ -1850,11 +1861,11 @@ int StackFrame::GetColumn() const { | 
|  | 
|  | 
| Local<String> StackFrame::GetScriptName() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackFrame::GetScriptName()")) { | 
| return Local<String>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> name = GetProperty(self, "scriptName"); | 
| @@ -1866,11 +1877,11 @@ Local<String> StackFrame::GetScriptName() const { | 
|  | 
|  | 
| Local<String> StackFrame::GetScriptNameOrSourceURL() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackFrame::GetScriptNameOrSourceURL()")) { | 
| return Local<String>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> name = GetProperty(self, "scriptNameOrSourceURL"); | 
| @@ -1882,11 +1893,11 @@ Local<String> StackFrame::GetScriptNameOrSourceURL() const { | 
|  | 
|  | 
| Local<String> StackFrame::GetFunctionName() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackFrame::GetFunctionName()")) { | 
| return Local<String>(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> name = GetProperty(self, "functionName"); | 
| @@ -1898,9 +1909,9 @@ Local<String> StackFrame::GetFunctionName() const { | 
|  | 
|  | 
| bool StackFrame::IsEval() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackFrame::IsEval()")) return false; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> is_eval = GetProperty(self, "isEval"); | 
| @@ -1909,9 +1920,9 @@ bool StackFrame::IsEval() const { | 
|  | 
|  | 
| bool StackFrame::IsConstructor() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::StackFrame::IsConstructor()")) return false; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> is_constructor = GetProperty(self, "isConstructor"); | 
| @@ -2036,74 +2047,76 @@ bool Value::IsRegExp() const { | 
|  | 
|  | 
| Local<String> Value::ToString() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(i::Isolate::Current(), "v8::Value::ToString()")) { | 
| -    return Local<String>(); | 
| -  } | 
| -  LOG_API(isolate, "ToString"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> str; | 
| if (obj->IsString()) { | 
| str = obj; | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::ToString()")) { | 
| +      return Local<String>(); | 
| +    } | 
| +    LOG_API(isolate, "ToString"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| str = i::Execution::ToString(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(Local<String>()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, Local<String>()); | 
| } | 
| return Local<String>(ToApi<String>(str)); | 
| } | 
|  | 
|  | 
| Local<String> Value::ToDetailString() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::ToDetailString()")) { | 
| -    return Local<String>(); | 
| -  } | 
| -  LOG_API(isolate, "ToDetailString"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> str; | 
| if (obj->IsString()) { | 
| str = obj; | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::ToDetailString()")) { | 
| +      return Local<String>(); | 
| +    } | 
| +    LOG_API(isolate, "ToDetailString"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| str = i::Execution::ToDetailString(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(Local<String>()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, Local<String>()); | 
| } | 
| return Local<String>(ToApi<String>(str)); | 
| } | 
|  | 
|  | 
| Local<v8::Object> Value::ToObject() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::ToObject()")) return Local<v8::Object>(); | 
| -  LOG_API(isolate, "ToObject"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> val; | 
| if (obj->IsJSObject()) { | 
| val = obj; | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::ToObject()")) { | 
| +      return Local<v8::Object>(); | 
| +    } | 
| +    LOG_API(isolate, "ToObject"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| val = i::Execution::ToObject(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(Local<v8::Object>()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>()); | 
| } | 
| return Local<v8::Object>(ToApi<Object>(val)); | 
| } | 
|  | 
|  | 
| Local<Boolean> Value::ToBoolean() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(i::Isolate::Current(), "v8::Value::ToBoolean()")) { | 
| -    return Local<Boolean>(); | 
| -  } | 
| -  LOG_API(isolate, "ToBoolean"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| if (obj->IsBoolean()) { | 
| return Local<Boolean>(ToApi<Boolean>(obj)); | 
| } else { | 
| -    ENTER_V8; | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::ToBoolean()")) { | 
| +      return Local<Boolean>(); | 
| +    } | 
| +    LOG_API(isolate, "ToBoolean"); | 
| +    ENTER_V8(isolate); | 
| i::Handle<i::Object> val = i::Execution::ToBoolean(obj); | 
| return Local<Boolean>(ToApi<Boolean>(val)); | 
| } | 
| @@ -2111,36 +2124,38 @@ Local<Boolean> Value::ToBoolean() const { | 
|  | 
|  | 
| Local<Number> Value::ToNumber() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::ToNumber()")) return Local<Number>(); | 
| -  LOG_API(isolate, "ToNumber"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> num; | 
| if (obj->IsNumber()) { | 
| num = obj; | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::ToNumber()")) { | 
| +      return Local<Number>(); | 
| +    } | 
| +    LOG_API(isolate, "ToNumber"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| num = i::Execution::ToNumber(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(Local<Number>()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, Local<Number>()); | 
| } | 
| return Local<Number>(ToApi<Number>(num)); | 
| } | 
|  | 
|  | 
| Local<Integer> Value::ToInteger() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::ToInteger()")) return Local<Integer>(); | 
| -  LOG_API(isolate, "ToInteger"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> num; | 
| if (obj->IsSmi()) { | 
| num = obj; | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::ToInteger()")) return Local<Integer>(); | 
| +    LOG_API(isolate, "ToInteger"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| num = i::Execution::ToInteger(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(Local<Integer>()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, Local<Integer>()); | 
| } | 
| return Local<Integer>(ToApi<Integer>(num)); | 
| } | 
| @@ -2228,14 +2243,14 @@ void v8::RegExp::CheckCast(v8::Value* that) { | 
|  | 
|  | 
| bool Value::BooleanValue() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::BooleanValue()")) return false; | 
| -  LOG_API(isolate, "BooleanValue"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| if (obj->IsBoolean()) { | 
| return obj->IsTrue(); | 
| } else { | 
| -    ENTER_V8; | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::BooleanValue()")) return false; | 
| +    LOG_API(isolate, "BooleanValue"); | 
| +    ENTER_V8(isolate); | 
| i::Handle<i::Object> value = i::Execution::ToBoolean(obj); | 
| return value->IsTrue(); | 
| } | 
| @@ -2243,38 +2258,38 @@ bool Value::BooleanValue() const { | 
|  | 
|  | 
| double Value::NumberValue() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::NumberValue()")) { | 
| -    return i::OS::nan_value(); | 
| -  } | 
| -  LOG_API(isolate, "NumberValue"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> num; | 
| if (obj->IsNumber()) { | 
| num = obj; | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::NumberValue()")) { | 
| +      return i::OS::nan_value(); | 
| +    } | 
| +    LOG_API(isolate, "NumberValue"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| num = i::Execution::ToNumber(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(i::OS::nan_value()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, i::OS::nan_value()); | 
| } | 
| return num->Number(); | 
| } | 
|  | 
|  | 
| int64_t Value::IntegerValue() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::IntegerValue()")) return 0; | 
| -  LOG_API(isolate, "IntegerValue"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> num; | 
| if (obj->IsNumber()) { | 
| num = obj; | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::IntegerValue()")) return 0; | 
| +    LOG_API(isolate, "IntegerValue"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| num = i::Execution::ToInteger(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(0); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, 0); | 
| } | 
| if (num->IsSmi()) { | 
| return i::Smi::cast(*num)->value(); | 
| @@ -2285,55 +2300,55 @@ int64_t Value::IntegerValue() const { | 
|  | 
|  | 
| Local<Int32> Value::ToInt32() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::ToInt32()")) return Local<Int32>(); | 
| -  LOG_API(isolate, "ToInt32"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> num; | 
| if (obj->IsSmi()) { | 
| num = obj; | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::ToInt32()")) return Local<Int32>(); | 
| +    LOG_API(isolate, "ToInt32"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| num = i::Execution::ToInt32(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(Local<Int32>()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, Local<Int32>()); | 
| } | 
| return Local<Int32>(ToApi<Int32>(num)); | 
| } | 
|  | 
|  | 
| Local<Uint32> Value::ToUint32() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::ToUint32()")) return Local<Uint32>(); | 
| -  LOG_API(isolate, "ToUInt32"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> num; | 
| if (obj->IsSmi()) { | 
| num = obj; | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::ToUint32()")) return Local<Uint32>(); | 
| +    LOG_API(isolate, "ToUInt32"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| num = i::Execution::ToUint32(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(Local<Uint32>()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, Local<Uint32>()); | 
| } | 
| return Local<Uint32>(ToApi<Uint32>(num)); | 
| } | 
|  | 
|  | 
| Local<Uint32> Value::ToArrayIndex() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::ToArrayIndex()")) return Local<Uint32>(); | 
| -  LOG_API(isolate, "ToArrayIndex"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| if (obj->IsSmi()) { | 
| if (i::Smi::cast(*obj)->value() >= 0) return Utils::Uint32ToLocal(obj); | 
| return Local<Uint32>(); | 
| } | 
| -  ENTER_V8; | 
| -  EXCEPTION_PREAMBLE(); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (IsDeadCheck(isolate, "v8::Value::ToArrayIndex()")) return Local<Uint32>(); | 
| +  LOG_API(isolate, "ToArrayIndex"); | 
| +  ENTER_V8(isolate); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> string_obj = | 
| i::Execution::ToString(obj, &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<Uint32>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<Uint32>()); | 
| i::Handle<i::String> str = i::Handle<i::String>::cast(string_obj); | 
| uint32_t index; | 
| if (str->AsArrayIndex(&index)) { | 
| @@ -2350,19 +2365,18 @@ Local<Uint32> Value::ToArrayIndex() const { | 
|  | 
|  | 
| int32_t Value::Int32Value() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::Int32Value()")) return 0; | 
| -  LOG_API(isolate, "Int32Value"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| if (obj->IsSmi()) { | 
| return i::Smi::cast(*obj)->value(); | 
| } else { | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::Int32Value()")) return 0; | 
| LOG_API(isolate, "Int32Value (slow)"); | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> num = | 
| i::Execution::ToInt32(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(0); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, 0); | 
| if (num->IsSmi()) { | 
| return i::Smi::cast(*num)->value(); | 
| } else { | 
| @@ -2380,7 +2394,7 @@ bool Value::Equals(Handle<Value> that) const { | 
| return false; | 
| } | 
| LOG_API(isolate, "Equals"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| i::Handle<i::Object> other = Utils::OpenHandle(*that); | 
| // If both obj and other are JSObjects, we'd better compare by identity | 
| @@ -2390,10 +2404,10 @@ bool Value::Equals(Handle<Value> that) const { | 
| return *obj == *other; | 
| } | 
| i::Object** args[1] = { other.location() }; | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> result = | 
| CallV8HeapFunction("EQUALS", obj, 1, args, &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(false); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, false); | 
| return *result == i::Smi::FromInt(i::EQUAL); | 
| } | 
|  | 
| @@ -2431,18 +2445,18 @@ bool Value::StrictEquals(Handle<Value> that) const { | 
|  | 
|  | 
| uint32_t Value::Uint32Value() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| -  if (IsDeadCheck(isolate, "v8::Value::Uint32Value()")) return 0; | 
| -  LOG_API(isolate, "Uint32Value"); | 
| i::Handle<i::Object> obj = Utils::OpenHandle(this); | 
| if (obj->IsSmi()) { | 
| return i::Smi::cast(*obj)->value(); | 
| } else { | 
| -    ENTER_V8; | 
| -    EXCEPTION_PREAMBLE(); | 
| +    i::Isolate* isolate = i::Isolate::Current(); | 
| +    if (IsDeadCheck(isolate, "v8::Value::Uint32Value()")) return 0; | 
| +    LOG_API(isolate, "Uint32Value"); | 
| +    ENTER_V8(isolate); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> num = | 
| i::Execution::ToUint32(obj, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(0); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, 0); | 
| if (num->IsSmi()) { | 
| return i::Smi::cast(*num)->value(); | 
| } else { | 
| @@ -2454,14 +2468,14 @@ uint32_t Value::Uint32Value() const { | 
|  | 
| bool v8::Object::Set(v8::Handle<Value> key, v8::Handle<Value> value, | 
| v8::PropertyAttribute attribs) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::Set()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::Object> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); | 
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> obj = i::SetProperty( | 
| self, | 
| key_obj, | 
| @@ -2469,26 +2483,26 @@ bool v8::Object::Set(v8::Handle<Value> key, v8::Handle<Value> value, | 
| static_cast<PropertyAttributes>(attribs), | 
| i::kNonStrictMode); | 
| has_pending_exception = obj.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(false); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, false); | 
| return true; | 
| } | 
|  | 
|  | 
| bool v8::Object::Set(uint32_t index, v8::Handle<Value> value) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::Set()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> obj = i::SetElement( | 
| self, | 
| index, | 
| value_obj, | 
| i::kNonStrictMode); | 
| has_pending_exception = obj.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(false); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, false); | 
| return true; | 
| } | 
|  | 
| @@ -2496,29 +2510,29 @@ bool v8::Object::Set(uint32_t index, v8::Handle<Value> value) { | 
| bool v8::Object::ForceSet(v8::Handle<Value> key, | 
| v8::Handle<Value> value, | 
| v8::PropertyAttribute attribs) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::ForceSet()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); | 
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> obj = i::ForceSetProperty( | 
| self, | 
| key_obj, | 
| value_obj, | 
| static_cast<PropertyAttributes>(attribs)); | 
| has_pending_exception = obj.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(false); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, false); | 
| return true; | 
| } | 
|  | 
|  | 
| bool v8::Object::ForceDelete(v8::Handle<Value> key) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::ForceDelete()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); | 
| @@ -2527,45 +2541,46 @@ bool v8::Object::ForceDelete(v8::Handle<Value> key) { | 
| // as optimized code does not always handle access checks. | 
| i::Deoptimizer::DeoptimizeGlobalObject(*self); | 
|  | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> obj = i::ForceDeleteProperty(self, key_obj); | 
| has_pending_exception = obj.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(false); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, false); | 
| return obj->IsTrue(); | 
| } | 
|  | 
|  | 
| Local<Value> v8::Object::Get(v8::Handle<Value> key) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::Get()", return Local<v8::Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Object> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> result = i::GetProperty(self, key_obj); | 
| has_pending_exception = result.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<Value>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); | 
| return Utils::ToLocal(result); | 
| } | 
|  | 
|  | 
| Local<Value> v8::Object::Get(uint32_t index) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::Get()", return Local<v8::Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> result = i::GetElement(self, index); | 
| has_pending_exception = result.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<Value>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); | 
| return Utils::ToLocal(result); | 
| } | 
|  | 
|  | 
| Local<Value> v8::Object::GetPrototype() { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::GetPrototype()", | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::GetPrototype()", | 
| return Local<v8::Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Object> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> result = i::GetPrototype(self); | 
| return Utils::ToLocal(result); | 
| @@ -2573,25 +2588,26 @@ Local<Value> v8::Object::GetPrototype() { | 
|  | 
|  | 
| bool v8::Object::SetPrototype(Handle<Value> value) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::SetPrototype()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> result = i::SetPrototype(self, value_obj); | 
| has_pending_exception = result.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(false); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, false); | 
| return true; | 
| } | 
|  | 
|  | 
| Local<Object> v8::Object::FindInstanceInPrototypeChain( | 
| v8::Handle<FunctionTemplate> tmpl) { | 
| -  ON_BAILOUT(i::Isolate::Current(), | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, | 
| "v8::Object::FindInstanceInPrototypeChain()", | 
| return Local<v8::Object>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::JSObject* object = *Utils::OpenHandle(this); | 
| i::FunctionTemplateInfo* tmpl_info = *Utils::OpenHandle(*tmpl); | 
| while (!object->IsInstanceOf(tmpl_info)) { | 
| @@ -2604,9 +2620,10 @@ Local<Object> v8::Object::FindInstanceInPrototypeChain( | 
|  | 
|  | 
| Local<Array> v8::Object::GetPropertyNames() { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::GetPropertyNames()", | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::GetPropertyNames()", | 
| return Local<v8::Array>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| v8::HandleScope scope; | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::FixedArray> value = | 
| @@ -2621,9 +2638,10 @@ Local<Array> v8::Object::GetPropertyNames() { | 
|  | 
|  | 
| Local<String> v8::Object::ObjectProtoToString() { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::ObjectProtoToString()", | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::ObjectProtoToString()", | 
| return Local<v8::String>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
|  | 
| i::Handle<i::Object> name(self->class_name()); | 
| @@ -2674,10 +2692,10 @@ Local<String> v8::Object::ObjectProtoToString() { | 
|  | 
|  | 
| Local<String> v8::Object::GetConstructorName() { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::GetConstructorName()", | 
| return Local<v8::String>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::String> name(self->constructor_name()); | 
| return Utils::ToLocal(name); | 
| @@ -2685,9 +2703,9 @@ Local<String> v8::Object::GetConstructorName() { | 
|  | 
|  | 
| bool v8::Object::Delete(v8::Handle<String> key) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::Delete()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); | 
| @@ -2696,8 +2714,9 @@ bool v8::Object::Delete(v8::Handle<String> key) { | 
|  | 
|  | 
| bool v8::Object::Has(v8::Handle<String> key) { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::Has()", return false); | 
| -  ENTER_V8; | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::Has()", return false); | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); | 
| return self->HasProperty(*key_obj); | 
| @@ -2705,9 +2724,10 @@ bool v8::Object::Has(v8::Handle<String> key) { | 
|  | 
|  | 
| bool v8::Object::Delete(uint32_t index) { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::DeleteProperty()", | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::DeleteProperty()", | 
| return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| return i::DeleteElement(self, index)->IsTrue(); | 
| @@ -2715,7 +2735,8 @@ bool v8::Object::Delete(uint32_t index) { | 
|  | 
|  | 
| bool v8::Object::Has(uint32_t index) { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::HasProperty()", return false); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::HasProperty()", return false); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| return self->HasElement(index); | 
| } | 
| @@ -2727,9 +2748,9 @@ bool Object::SetAccessor(Handle<String> name, | 
| v8::Handle<Value> data, | 
| AccessControl settings, | 
| PropertyAttribute attributes) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::SetAccessor()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::AccessorInfo> info = MakeAccessorInfo(name, | 
| getter, setter, data, | 
| @@ -2740,7 +2761,8 @@ bool Object::SetAccessor(Handle<String> name, | 
|  | 
|  | 
| bool v8::Object::HasRealNamedProperty(Handle<String> key) { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::HasRealNamedProperty()", | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::HasRealNamedProperty()", | 
| return false); | 
| return Utils::OpenHandle(this)->HasRealNamedProperty( | 
| *Utils::OpenHandle(*key)); | 
| @@ -2748,31 +2770,35 @@ bool v8::Object::HasRealNamedProperty(Handle<String> key) { | 
|  | 
|  | 
| bool v8::Object::HasRealIndexedProperty(uint32_t index) { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::HasRealIndexedProperty()", | 
| +  ON_BAILOUT(Utils::OpenHandle(this)->GetIsolate(), | 
| +             "v8::Object::HasRealIndexedProperty()", | 
| return false); | 
| return Utils::OpenHandle(this)->HasRealElementProperty(index); | 
| } | 
|  | 
|  | 
| bool v8::Object::HasRealNamedCallbackProperty(Handle<String> key) { | 
| -  ON_BAILOUT(i::Isolate::Current(), | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, | 
| "v8::Object::HasRealNamedCallbackProperty()", | 
| return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| return Utils::OpenHandle(this)->HasRealNamedCallbackProperty( | 
| *Utils::OpenHandle(*key)); | 
| } | 
|  | 
|  | 
| bool v8::Object::HasNamedLookupInterceptor() { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::HasNamedLookupInterceptor()", | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::HasNamedLookupInterceptor()", | 
| return false); | 
| return Utils::OpenHandle(this)->HasNamedInterceptor(); | 
| } | 
|  | 
|  | 
| bool v8::Object::HasIndexedLookupInterceptor() { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::HasIndexedLookupInterceptor()", | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::HasIndexedLookupInterceptor()", | 
| return false); | 
| return Utils::OpenHandle(this)->HasIndexedInterceptor(); | 
| } | 
| @@ -2780,10 +2806,11 @@ bool v8::Object::HasIndexedLookupInterceptor() { | 
|  | 
| Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain( | 
| Handle<String> key) { | 
| -  ON_BAILOUT(i::Isolate::Current(), | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, | 
| "v8::Object::GetRealNamedPropertyInPrototypeChain()", | 
| return Local<Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this); | 
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); | 
| i::LookupResult lookup; | 
| @@ -2803,9 +2830,10 @@ Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain( | 
|  | 
|  | 
| Local<Value> v8::Object::GetRealNamedProperty(Handle<String> key) { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::Object::GetRealNamedProperty()", | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ON_BAILOUT(isolate, "v8::Object::GetRealNamedProperty()", | 
| return Local<Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this); | 
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); | 
| i::LookupResult lookup; | 
| @@ -2828,9 +2856,9 @@ Local<Value> v8::Object::GetRealNamedProperty(Handle<String> key) { | 
| // Because the object gets a new map, existing inline cache caching | 
| // the old map of this object will fail. | 
| void v8::Object::TurnOnAccessCheck() { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::TurnOnAccessCheck()", return); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> obj = Utils::OpenHandle(this); | 
|  | 
| @@ -2839,7 +2867,7 @@ void v8::Object::TurnOnAccessCheck() { | 
| i::Deoptimizer::DeoptimizeGlobalObject(*obj); | 
|  | 
| i::Handle<i::Map> new_map = | 
| -    FACTORY->CopyMapDropTransitions(i::Handle<i::Map>(obj->map())); | 
| +    isolate->factory()->CopyMapDropTransitions(i::Handle<i::Map>(obj->map())); | 
| new_map->set_is_access_check_needed(true); | 
| obj->set_map(*new_map); | 
| } | 
| @@ -2851,22 +2879,22 @@ bool v8::Object::IsDirty() { | 
|  | 
|  | 
| Local<v8::Object> v8::Object::Clone() { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::Clone()", return Local<Object>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::JSObject> result = i::Copy(self); | 
| has_pending_exception = result.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<Object>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>()); | 
| return Utils::ToLocal(result); | 
| } | 
|  | 
|  | 
| int v8::Object::GetIdentityHash() { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::GetIdentityHash()", return 0); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> hidden_props_obj(i::GetHiddenProperties(self, true)); | 
| @@ -2907,15 +2935,15 @@ int v8::Object::GetIdentityHash() { | 
|  | 
| bool v8::Object::SetHiddenValue(v8::Handle<v8::String> key, | 
| v8::Handle<v8::Value> value) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::SetHiddenValue()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, true)); | 
| i::Handle<i::Object> key_obj = Utils::OpenHandle(*key); | 
| i::Handle<i::Object> value_obj = Utils::OpenHandle(*value); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> obj = i::SetProperty( | 
| hidden_props, | 
| key_obj, | 
| @@ -2923,26 +2951,26 @@ bool v8::Object::SetHiddenValue(v8::Handle<v8::String> key, | 
| static_cast<PropertyAttributes>(None), | 
| i::kNonStrictMode); | 
| has_pending_exception = obj.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(false); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, false); | 
| return true; | 
| } | 
|  | 
|  | 
| v8::Local<v8::Value> v8::Object::GetHiddenValue(v8::Handle<v8::String> key) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Object::GetHiddenValue()", | 
| return Local<v8::Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, false)); | 
| if (hidden_props->IsUndefined()) { | 
| return v8::Local<v8::Value>(); | 
| } | 
| i::Handle<i::String> key_obj = Utils::OpenHandle(*key); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> result = i::GetProperty(hidden_props, key_obj); | 
| has_pending_exception = result.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(v8::Local<v8::Value>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, v8::Local<v8::Value>()); | 
| if (result->IsUndefined()) { | 
| return v8::Local<v8::Value>(); | 
| } | 
| @@ -2951,9 +2979,9 @@ v8::Local<v8::Value> v8::Object::GetHiddenValue(v8::Handle<v8::String> key) { | 
|  | 
|  | 
| bool v8::Object::DeleteHiddenValue(v8::Handle<v8::String> key) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::DeleteHiddenValue()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| i::Handle<i::Object> hidden_props(i::GetHiddenProperties(self, false)); | 
| @@ -2972,8 +3000,9 @@ void PrepareExternalArrayElements(i::Handle<i::JSObject> object, | 
| void* data, | 
| ExternalArrayType array_type, | 
| int length) { | 
| +  i::Isolate* isolate = object->GetIsolate(); | 
| i::Handle<i::ExternalArray> array = | 
| -      FACTORY->NewExternalArray(length, array_type, data); | 
| +      isolate->factory()->NewExternalArray(length, array_type, data); | 
|  | 
| // If the object already has external elements, create a new, unique | 
| // map if the element type is now changing, because assumptions about | 
| @@ -2985,7 +3014,7 @@ void PrepareExternalArrayElements(i::Handle<i::JSObject> object, | 
| elements->map() != HEAP->MapForExternalArrayType(array_type); | 
| if (force_unique_map) { | 
| i::Handle<i::Map> external_array_map = | 
| -        FACTORY->NewExternalArrayElementsMap( | 
| +        isolate->factory()->NewExternalArrayElementsMap( | 
| i::Handle<i::Map>(object->map())); | 
| object->set_map(*external_array_map); | 
| } | 
| @@ -2996,9 +3025,9 @@ void PrepareExternalArrayElements(i::Handle<i::JSObject> object, | 
|  | 
|  | 
| void v8::Object::SetIndexedPropertiesToPixelData(uint8_t* data, int length) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::SetElementsToPixelData()", return); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| if (!ApiCheck(length <= i::ExternalPixelArray::kMaxLength, | 
| "v8::Object::SetIndexedPropertiesToPixelData()", | 
| @@ -3016,17 +3045,17 @@ void v8::Object::SetIndexedPropertiesToPixelData(uint8_t* data, int length) { | 
|  | 
|  | 
| bool v8::Object::HasIndexedPropertiesInPixelData() { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::HasIndexedPropertiesInPixelData()", | 
| -             return false); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| +  ON_BAILOUT(self->GetIsolate(), "v8::HasIndexedPropertiesInPixelData()", | 
| +             return false); | 
| return self->HasExternalPixelElements(); | 
| } | 
|  | 
|  | 
| uint8_t* v8::Object::GetIndexedPropertiesPixelData() { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::GetIndexedPropertiesPixelData()", | 
| -             return NULL); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| +  ON_BAILOUT(self->GetIsolate(), "v8::GetIndexedPropertiesPixelData()", | 
| +             return NULL); | 
| if (self->HasExternalPixelElements()) { | 
| return i::ExternalPixelArray::cast(self->elements())-> | 
| external_pixel_pointer(); | 
| @@ -3037,9 +3066,9 @@ uint8_t* v8::Object::GetIndexedPropertiesPixelData() { | 
|  | 
|  | 
| int v8::Object::GetIndexedPropertiesPixelDataLength() { | 
| -  ON_BAILOUT(i::Isolate::Current(), "v8::GetIndexedPropertiesPixelDataLength()", | 
| -             return -1); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| +  ON_BAILOUT(self->GetIsolate(), "v8::GetIndexedPropertiesPixelDataLength()", | 
| +             return -1); | 
| if (self->HasExternalPixelElements()) { | 
| return i::ExternalPixelArray::cast(self->elements())->length(); | 
| } else { | 
| @@ -3051,9 +3080,9 @@ void v8::Object::SetIndexedPropertiesToExternalArrayData( | 
| void* data, | 
| ExternalArrayType array_type, | 
| int length) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::SetIndexedPropertiesToExternalArrayData()", return); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| if (!ApiCheck(length <= i::ExternalArray::kMaxLength, | 
| "v8::Object::SetIndexedPropertiesToExternalArrayData()", | 
| @@ -3071,19 +3100,19 @@ void v8::Object::SetIndexedPropertiesToExternalArrayData( | 
|  | 
|  | 
| bool v8::Object::HasIndexedPropertiesInExternalArrayData() { | 
| -  ON_BAILOUT(i::Isolate::Current(), | 
| +  i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| +  ON_BAILOUT(self->GetIsolate(), | 
| "v8::HasIndexedPropertiesInExternalArrayData()", | 
| return false); | 
| -  i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| return self->HasExternalArrayElements(); | 
| } | 
|  | 
|  | 
| void* v8::Object::GetIndexedPropertiesExternalArrayData() { | 
| -  ON_BAILOUT(i::Isolate::Current(), | 
| +  i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| +  ON_BAILOUT(self->GetIsolate(), | 
| "v8::GetIndexedPropertiesExternalArrayData()", | 
| return NULL); | 
| -  i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| if (self->HasExternalArrayElements()) { | 
| return i::ExternalArray::cast(self->elements())->external_pointer(); | 
| } else { | 
| @@ -3093,10 +3122,10 @@ void* v8::Object::GetIndexedPropertiesExternalArrayData() { | 
|  | 
|  | 
| ExternalArrayType v8::Object::GetIndexedPropertiesExternalArrayDataType() { | 
| -  ON_BAILOUT(i::Isolate::Current(), | 
| +  i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| +  ON_BAILOUT(self->GetIsolate(), | 
| "v8::GetIndexedPropertiesExternalArrayDataType()", | 
| return static_cast<ExternalArrayType>(-1)); | 
| -  i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| switch (self->elements()->map()->instance_type()) { | 
| case i::EXTERNAL_BYTE_ARRAY_TYPE: | 
| return kExternalByteArray; | 
| @@ -3121,10 +3150,10 @@ ExternalArrayType v8::Object::GetIndexedPropertiesExternalArrayDataType() { | 
|  | 
|  | 
| int v8::Object::GetIndexedPropertiesExternalArrayDataLength() { | 
| -  ON_BAILOUT(i::Isolate::Current(), | 
| +  i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| +  ON_BAILOUT(self->GetIsolate(), | 
| "v8::GetIndexedPropertiesExternalArrayDataLength()", | 
| return 0); | 
| -  i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| if (self->HasExternalArrayElements()) { | 
| return i::ExternalArray::cast(self->elements())->length(); | 
| } else { | 
| @@ -3140,29 +3169,29 @@ Local<v8::Object> Function::NewInstance() const { | 
|  | 
| Local<v8::Object> Function::NewInstance(int argc, | 
| v8::Handle<v8::Value> argv[]) const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Function::NewInstance()", | 
| return Local<v8::Object>()); | 
| LOG_API(isolate, "Function::NewInstance"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| HandleScope scope; | 
| i::Handle<i::JSFunction> function = Utils::OpenHandle(this); | 
| STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**)); | 
| i::Object*** args = reinterpret_cast<i::Object***>(argv); | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> returned = | 
| i::Execution::New(function, argc, args, &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<v8::Object>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>()); | 
| return scope.Close(Utils::ToLocal(i::Handle<i::JSObject>::cast(returned))); | 
| } | 
|  | 
|  | 
| Local<v8::Value> Function::Call(v8::Handle<v8::Object> recv, int argc, | 
| v8::Handle<v8::Value> argv[]) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Function::Call()", return Local<v8::Value>()); | 
| LOG_API(isolate, "Function::Call"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Object* raw_result = NULL; | 
| { | 
| i::HandleScope scope(isolate); | 
| @@ -3170,10 +3199,10 @@ Local<v8::Value> Function::Call(v8::Handle<v8::Object> recv, int argc, | 
| i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv); | 
| STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**)); | 
| i::Object*** args = reinterpret_cast<i::Object***>(argv); | 
| -    EXCEPTION_PREAMBLE(); | 
| +    EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> returned = | 
| i::Execution::Call(fun, recv_obj, argc, args, &has_pending_exception); | 
| -    EXCEPTION_BAILOUT_CHECK(Local<Object>()); | 
| +    EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>()); | 
| raw_result = *returned; | 
| } | 
| i::Handle<i::Object> result(raw_result); | 
| @@ -3182,7 +3211,8 @@ Local<v8::Value> Function::Call(v8::Handle<v8::Object> recv, int argc, | 
|  | 
|  | 
| void Function::SetName(v8::Handle<v8::String> name) { | 
| -  ENTER_V8; | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSFunction> func = Utils::OpenHandle(this); | 
| func->shared()->set_name(*Utils::OpenHandle(*name)); | 
| } | 
| @@ -3237,10 +3267,10 @@ int String::WriteUtf8(char* buffer, | 
| int capacity, | 
| int* nchars_ref, | 
| WriteHints hints) const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::String::WriteUtf8()")) return 0; | 
| LOG_API(isolate, "String::WriteUtf8"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::StringInputBuffer& write_input_buffer = *isolate->write_input_buffer(); | 
| i::Handle<i::String> str = Utils::OpenHandle(this); | 
| isolate->string_tracker()->RecordWrite(str); | 
| @@ -3294,10 +3324,10 @@ int String::WriteAscii(char* buffer, | 
| int start, | 
| int length, | 
| WriteHints hints) const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::String::WriteAscii()")) return 0; | 
| LOG_API(isolate, "String::WriteAscii"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::StringInputBuffer& write_input_buffer = *isolate->write_input_buffer(); | 
| ASSERT(start >= 0 && length >= -1); | 
| i::Handle<i::String> str = Utils::OpenHandle(this); | 
| @@ -3328,10 +3358,10 @@ int String::Write(uint16_t* buffer, | 
| int start, | 
| int length, | 
| WriteHints hints) const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::String::Write()")) return 0; | 
| LOG_API(isolate, "String::Write"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| ASSERT(start >= 0 && length >= -1); | 
| i::Handle<i::String> str = Utils::OpenHandle(this); | 
| isolate->string_tracker()->RecordWrite(str); | 
| @@ -3353,15 +3383,20 @@ int String::Write(uint16_t* buffer, | 
|  | 
|  | 
| bool v8::String::IsExternal() const { | 
| -  EnsureInitialized("v8::String::IsExternal()"); | 
| i::Handle<i::String> str = Utils::OpenHandle(this); | 
| +  if (IsDeadCheck(str->GetIsolate(), "v8::String::IsExternal()")) { | 
| +    return false; | 
| +  } | 
| +  EnsureInitializedForIsolate(str->GetIsolate(), "v8::String::IsExternal()"); | 
| return i::StringShape(*str).IsExternalTwoByte(); | 
| } | 
|  | 
|  | 
| bool v8::String::IsExternalAscii() const { | 
| -  EnsureInitialized("v8::String::IsExternalAscii()"); | 
| i::Handle<i::String> str = Utils::OpenHandle(this); | 
| +  if (IsDeadCheck(str->GetIsolate(), "v8::String::IsExternalAscii()")) { | 
| +    return false; | 
| +  } | 
| return i::StringShape(*str).IsExternalAscii(); | 
| } | 
|  | 
| @@ -3382,8 +3417,11 @@ void v8::String::VerifyExternalStringResource( | 
|  | 
| v8::String::ExternalAsciiStringResource* | 
| v8::String::GetExternalAsciiStringResource() const { | 
| -  EnsureInitialized("v8::String::GetExternalAsciiStringResource()"); | 
| i::Handle<i::String> str = Utils::OpenHandle(this); | 
| +  if (IsDeadCheck(str->GetIsolate(), | 
| +                  "v8::String::GetExternalAsciiStringResource()")) { | 
| +    return NULL; | 
| +  } | 
| if (i::StringShape(*str).IsExternalAscii()) { | 
| void* resource = i::Handle<i::ExternalAsciiString>::cast(str)->resource(); | 
| return reinterpret_cast<ExternalAsciiStringResource*>(resource); | 
| @@ -3441,19 +3479,19 @@ uint32_t Uint32::Value() const { | 
|  | 
|  | 
| int v8::Object::InternalFieldCount() { | 
| -  if (IsDeadCheck(i::Isolate::Current(), "v8::Object::InternalFieldCount()")) { | 
| +  i::Handle<i::JSObject> obj = Utils::OpenHandle(this); | 
| +  if (IsDeadCheck(obj->GetIsolate(), "v8::Object::InternalFieldCount()")) { | 
| return 0; | 
| } | 
| -  i::Handle<i::JSObject> obj = Utils::OpenHandle(this); | 
| return obj->GetInternalFieldCount(); | 
| } | 
|  | 
|  | 
| Local<Value> v8::Object::CheckedGetInternalField(int index) { | 
| -  if (IsDeadCheck(i::Isolate::Current(), "v8::Object::GetInternalField()")) { | 
| +  i::Handle<i::JSObject> obj = Utils::OpenHandle(this); | 
| +  if (IsDeadCheck(obj->GetIsolate(), "v8::Object::GetInternalField()")) { | 
| return Local<Value>(); | 
| } | 
| -  i::Handle<i::JSObject> obj = Utils::OpenHandle(this); | 
| if (!ApiCheck(index < obj->GetInternalFieldCount(), | 
| "v8::Object::GetInternalField()", | 
| "Reading internal field out of bounds")) { | 
| @@ -3470,16 +3508,17 @@ Local<Value> v8::Object::CheckedGetInternalField(int index) { | 
|  | 
|  | 
| void v8::Object::SetInternalField(int index, v8::Handle<Value> value) { | 
| -  if (IsDeadCheck(i::Isolate::Current(), "v8::Object::SetInternalField()")) { | 
| +  i::Handle<i::JSObject> obj = Utils::OpenHandle(this); | 
| +  i::Isolate* isolate = obj->GetIsolate(); | 
| +  if (IsDeadCheck(isolate, "v8::Object::SetInternalField()")) { | 
| return; | 
| } | 
| -  i::Handle<i::JSObject> obj = Utils::OpenHandle(this); | 
| if (!ApiCheck(index < obj->GetInternalFieldCount(), | 
| "v8::Object::SetInternalField()", | 
| "Writing internal field out of bounds")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Object> val = Utils::OpenHandle(*value); | 
| obj->SetInternalField(index, *val); | 
| } | 
| @@ -3503,13 +3542,15 @@ static i::Smi* EncodeAsSmi(void* ptr) { | 
|  | 
|  | 
| void v8::Object::SetPointerInInternalField(int index, void* value) { | 
| -  ENTER_V8; | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| +  ENTER_V8(isolate); | 
| if (CanBeEncodedAsSmi(value)) { | 
| Utils::OpenHandle(this)->SetInternalField(index, EncodeAsSmi(value)); | 
| } else { | 
| HandleScope scope; | 
| i::Handle<i::Proxy> proxy = | 
| -        FACTORY->NewProxy(reinterpret_cast<i::Address>(value), i::TENURED); | 
| +        isolate->factory()->NewProxy( | 
| +            reinterpret_cast<i::Address>(value), i::TENURED); | 
| if (!proxy.is_null()) | 
| Utils::OpenHandle(this)->SetInternalField(index, *proxy); | 
| } | 
| @@ -3605,7 +3646,7 @@ Persistent<Context> v8::Context::New( | 
| // Enter V8 via an ENTER_V8 scope. | 
| i::Handle<i::Context> env; | 
| { | 
| -    ENTER_V8; | 
| +    ENTER_V8(isolate); | 
| v8::Handle<ObjectTemplate> proxy_template = global_template; | 
| i::Handle<i::FunctionTemplateInfo> proxy_constructor; | 
| i::Handle<i::FunctionTemplateInfo> global_constructor; | 
| @@ -3664,10 +3705,11 @@ Persistent<Context> v8::Context::New( | 
|  | 
|  | 
| void v8::Context::SetSecurityToken(Handle<Value> token) { | 
| -  if (IsDeadCheck(i::Isolate::Current(), "v8::Context::SetSecurityToken()")) { | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (IsDeadCheck(isolate, "v8::Context::SetSecurityToken()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Context> env = Utils::OpenHandle(this); | 
| i::Handle<i::Object> token_handle = Utils::OpenHandle(*token); | 
| env->set_security_token(*token_handle); | 
| @@ -3675,18 +3717,20 @@ void v8::Context::SetSecurityToken(Handle<Value> token) { | 
|  | 
|  | 
| void v8::Context::UseDefaultSecurityToken() { | 
| -  if (IsDeadCheck(i::Isolate::Current(), | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (IsDeadCheck(isolate, | 
| "v8::Context::UseDefaultSecurityToken()")) { | 
| return; | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Context> env = Utils::OpenHandle(this); | 
| env->set_security_token(env->global()); | 
| } | 
|  | 
|  | 
| Handle<Value> v8::Context::GetSecurityToken() { | 
| -  if (IsDeadCheck(i::Isolate::Current(), "v8::Context::GetSecurityToken()")) { | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (IsDeadCheck(isolate, "v8::Context::GetSecurityToken()")) { | 
| return Handle<Value>(); | 
| } | 
| i::Handle<i::Context> env = Utils::OpenHandle(this); | 
| @@ -3755,19 +3799,20 @@ v8::Local<v8::Object> Context::Global() { | 
|  | 
|  | 
| void Context::DetachGlobal() { | 
| -  if (IsDeadCheck(i::Isolate::Current(), "v8::Context::DetachGlobal()")) return; | 
| -  ENTER_V8; | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (IsDeadCheck(isolate, "v8::Context::DetachGlobal()")) return; | 
| +  ENTER_V8(isolate); | 
| i::Object** ctx = reinterpret_cast<i::Object**>(this); | 
| i::Handle<i::Context> context = | 
| i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx)); | 
| -  i::Isolate::Current()->bootstrapper()->DetachGlobal(context); | 
| +  isolate->bootstrapper()->DetachGlobal(context); | 
| } | 
|  | 
|  | 
| void Context::ReattachGlobal(Handle<Object> global_object) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| if (IsDeadCheck(isolate, "v8::Context::ReattachGlobal()")) return; | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Object** ctx = reinterpret_cast<i::Object**>(this); | 
| i::Handle<i::Context> context = | 
| i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx)); | 
| @@ -3787,12 +3832,12 @@ Local<v8::Object> ObjectTemplate::NewInstance() { | 
| ON_BAILOUT(isolate, "v8::ObjectTemplate::NewInstance()", | 
| return Local<v8::Object>()); | 
| LOG_API(isolate, "ObjectTemplate::NewInstance"); | 
| -  ENTER_V8; | 
| -  EXCEPTION_PREAMBLE(); | 
| +  ENTER_V8(isolate); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> obj = | 
| i::Execution::InstantiateObject(Utils::OpenHandle(this), | 
| &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<v8::Object>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>()); | 
| return Utils::ToLocal(i::Handle<i::JSObject>::cast(obj)); | 
| } | 
|  | 
| @@ -3802,12 +3847,12 @@ Local<v8::Function> FunctionTemplate::GetFunction() { | 
| ON_BAILOUT(isolate, "v8::FunctionTemplate::GetFunction()", | 
| return Local<v8::Function>()); | 
| LOG_API(isolate, "FunctionTemplate::GetFunction"); | 
| -  ENTER_V8; | 
| -  EXCEPTION_PREAMBLE(); | 
| +  ENTER_V8(isolate); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> obj = | 
| i::Execution::InstantiateFunction(Utils::OpenHandle(this), | 
| &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<v8::Function>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Function>()); | 
| return Utils::ToLocal(i::Handle<i::JSFunction>::cast(obj)); | 
| } | 
|  | 
| @@ -3834,7 +3879,7 @@ Local<Value> v8::External::Wrap(void* data) { | 
| STATIC_ASSERT(sizeof(data) == sizeof(i::Address)); | 
| LOG_API(isolate, "External::Wrap"); | 
| EnsureInitializedForIsolate(isolate, "v8::External::Wrap()"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
|  | 
| v8::Local<v8::Value> result = CanBeEncodedAsSmi(data) | 
| ? Utils::ToLocal(i::Handle<i::Object>(EncodeAsSmi(data))) | 
| @@ -3879,7 +3924,7 @@ Local<External> v8::External::New(void* data) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| LOG_API(isolate, "External::New"); | 
| EnsureInitializedForIsolate(isolate, "v8::External::New()"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| return ExternalNewImpl(data); | 
| } | 
|  | 
| @@ -3904,7 +3949,7 @@ Local<String> v8::String::New(const char* data, int length) { | 
| EnsureInitializedForIsolate(isolate, "v8::String::New()"); | 
| LOG_API(isolate, "String::New(char)"); | 
| if (length == 0) return Empty(); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| if (length == -1) length = i::StrLength(data); | 
| i::Handle<i::String> result = | 
| isolate->factory()->NewStringFromUtf8( | 
| @@ -3916,9 +3961,9 @@ Local<String> v8::String::New(const char* data, int length) { | 
| Local<String> v8::String::Concat(Handle<String> left, Handle<String> right) { | 
| i::Handle<i::String> left_string = Utils::OpenHandle(*left); | 
| i::Isolate* isolate = left_string->GetIsolate(); | 
| -  EnsureInitializedForIsolate(isolate, "v8::String::Concat()"); | 
| -  LOG_API(isolate, "String::Concat()"); | 
| -  ENTER_V8; | 
| +  EnsureInitializedForIsolate(isolate, "v8::String::New()"); | 
| +  LOG_API(isolate, "String::New(char)"); | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::String> right_string = Utils::OpenHandle(*right); | 
| i::Handle<i::String> result = isolate->factory()->NewConsString(left_string, | 
| right_string); | 
| @@ -3930,7 +3975,7 @@ Local<String> v8::String::NewUndetectable(const char* data, int length) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::String::NewUndetectable()"); | 
| LOG_API(isolate, "String::NewUndetectable(char)"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| if (length == -1) length = i::StrLength(data); | 
| i::Handle<i::String> result = | 
| isolate->factory()->NewStringFromUtf8( | 
| @@ -3952,7 +3997,7 @@ Local<String> v8::String::New(const uint16_t* data, int length) { | 
| EnsureInitializedForIsolate(isolate, "v8::String::New()"); | 
| LOG_API(isolate, "String::New(uint16_)"); | 
| if (length == 0) return Empty(); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| if (length == -1) length = TwoByteStringLength(data); | 
| i::Handle<i::String> result = | 
| isolate->factory()->NewStringFromTwoByte( | 
| @@ -3965,7 +4010,7 @@ Local<String> v8::String::NewUndetectable(const uint16_t* data, int length) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::String::NewUndetectable()"); | 
| LOG_API(isolate, "String::NewUndetectable(uint16_)"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| if (length == -1) length = TwoByteStringLength(data); | 
| i::Handle<i::String> result = | 
| isolate->factory()->NewStringFromTwoByte( | 
| @@ -3996,7 +4041,7 @@ Local<String> v8::String::NewExternal( | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::String::NewExternal()"); | 
| LOG_API(isolate, "String::NewExternal"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::String> result = NewExternalStringHandle(isolate, resource); | 
| isolate->heap()->external_string_table()->AddString(*result); | 
| return Utils::ToLocal(result); | 
| @@ -4007,8 +4052,10 @@ bool v8::String::MakeExternal(v8::String::ExternalStringResource* resource) { | 
| i::Handle<i::String> obj = Utils::OpenHandle(this); | 
| i::Isolate* isolate = obj->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::String::MakeExternal()")) return false; | 
| -  if (this->IsExternal()) return false;  // Already an external string. | 
| -  ENTER_V8; | 
| +  if (i::StringShape(*obj).IsExternalTwoByte()) { | 
| +    return false;  // Already an external string. | 
| +  } | 
| +  ENTER_V8(isolate); | 
| if (isolate->string_tracker()->IsFreshUnusedString(obj)) { | 
| return false; | 
| } | 
| @@ -4025,7 +4072,7 @@ Local<String> v8::String::NewExternal( | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::String::NewExternal()"); | 
| LOG_API(isolate, "String::NewExternal"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::String> result = NewExternalAsciiStringHandle(isolate, resource); | 
| isolate->heap()->external_string_table()->AddString(*result); | 
| return Utils::ToLocal(result); | 
| @@ -4037,8 +4084,10 @@ bool v8::String::MakeExternal( | 
| i::Handle<i::String> obj = Utils::OpenHandle(this); | 
| i::Isolate* isolate = obj->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::String::MakeExternal()")) return false; | 
| -  if (this->IsExternal()) return false;  // Already an external string. | 
| -  ENTER_V8; | 
| +  if (i::StringShape(*obj).IsExternalTwoByte()) { | 
| +    return false;  // Already an external string. | 
| +  } | 
| +  ENTER_V8(isolate); | 
| if (isolate->string_tracker()->IsFreshUnusedString(obj)) { | 
| return false; | 
| } | 
| @@ -4069,9 +4118,9 @@ Local<v8::Object> v8::Object::New() { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::Object::New()"); | 
| LOG_API(isolate, "Object::New"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> obj = | 
| -      isolate->factory()->NewJSObject(i::Isolate::Current()->object_function()); | 
| +      isolate->factory()->NewJSObject(isolate->object_function()); | 
| return Utils::ToLocal(obj); | 
| } | 
|  | 
| @@ -4084,11 +4133,11 @@ Local<v8::Value> v8::Date::New(double time) { | 
| // Introduce only canonical NaN value into the VM, to avoid signaling NaNs. | 
| time = i::OS::nan_value(); | 
| } | 
| -  ENTER_V8; | 
| -  EXCEPTION_PREAMBLE(); | 
| +  ENTER_V8(isolate); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::Object> obj = | 
| i::Execution::NewDate(time, &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<v8::Value>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Value>()); | 
| return Utils::ToLocal(obj); | 
| } | 
|  | 
| @@ -4108,7 +4157,7 @@ void v8::Date::DateTimeConfigurationChangeNotification() { | 
| ON_BAILOUT(isolate, "v8::Date::DateTimeConfigurationChangeNotification()", | 
| return); | 
| LOG_API(isolate, "Date::DateTimeConfigurationChangeNotification"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
|  | 
| i::HandleScope scope(isolate); | 
| // Get the function ResetDateCache (defined in date-delay.js). | 
| @@ -4148,22 +4197,22 @@ static i::Handle<i::String> RegExpFlagsToString(RegExp::Flags flags) { | 
|  | 
| Local<v8::RegExp> v8::RegExp::New(Handle<String> pattern, | 
| Flags flags) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(*pattern)->GetIsolate(); | 
| EnsureInitializedForIsolate(isolate, "v8::RegExp::New()"); | 
| LOG_API(isolate, "RegExp::New"); | 
| -  ENTER_V8; | 
| -  EXCEPTION_PREAMBLE(); | 
| +  ENTER_V8(isolate); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| i::Handle<i::JSRegExp> obj = i::Execution::NewJSRegExp( | 
| Utils::OpenHandle(*pattern), | 
| RegExpFlagsToString(flags), | 
| &has_pending_exception); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<v8::RegExp>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::RegExp>()); | 
| return Utils::ToLocal(i::Handle<i::JSRegExp>::cast(obj)); | 
| } | 
|  | 
|  | 
| Local<v8::String> v8::RegExp::GetSource() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::RegExp::GetSource()")) { | 
| return Local<v8::String>(); | 
| } | 
| @@ -4195,7 +4244,7 @@ Local<v8::Array> v8::Array::New(int length) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::Array::New()"); | 
| LOG_API(isolate, "Array::New"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| int real_length = length > 0 ? length : 0; | 
| i::Handle<i::JSArray> obj = isolate->factory()->NewJSArray(real_length); | 
| obj->set_length(*isolate->factory()->NewNumberFromInt(real_length)); | 
| @@ -4204,7 +4253,7 @@ Local<v8::Array> v8::Array::New(int length) { | 
|  | 
|  | 
| uint32_t v8::Array::Length() const { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| if (IsDeadCheck(isolate, "v8::Array::Length()")) return 0; | 
| i::Handle<i::JSArray> obj = Utils::OpenHandle(this); | 
| i::Object* length = obj->length(); | 
| @@ -4217,7 +4266,7 @@ uint32_t v8::Array::Length() const { | 
|  | 
|  | 
| Local<Object> Array::CloneElementAt(uint32_t index) { | 
| -  i::Isolate* isolate = i::Isolate::Current(); | 
| +  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate(); | 
| ON_BAILOUT(isolate, "v8::Array::CloneElementAt()", return Local<Object>()); | 
| i::Handle<i::JSObject> self = Utils::OpenHandle(this); | 
| if (!self->HasFastElements()) { | 
| @@ -4229,11 +4278,11 @@ Local<Object> Array::CloneElementAt(uint32_t index) { | 
| return Local<Object>(); | 
| } | 
| i::Handle<i::JSObject> paragon_handle(i::JSObject::cast(paragon)); | 
| -  EXCEPTION_PREAMBLE(); | 
| -  ENTER_V8; | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::JSObject> result = i::Copy(paragon_handle); | 
| has_pending_exception = result.is_null(); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<Object>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>()); | 
| return Utils::ToLocal(result); | 
| } | 
|  | 
| @@ -4242,10 +4291,10 @@ Local<String> v8::String::NewSymbol(const char* data, int length) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::String::NewSymbol()"); | 
| LOG_API(isolate, "String::NewSymbol(char)"); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| if (length == -1) length = i::StrLength(data); | 
| i::Handle<i::String> result = | 
| -      FACTORY->LookupSymbol(i::Vector<const char>(data, length)); | 
| +      isolate->factory()->LookupSymbol(i::Vector<const char>(data, length)); | 
| return Utils::ToLocal(result); | 
| } | 
|  | 
| @@ -4257,7 +4306,7 @@ Local<Number> v8::Number::New(double value) { | 
| // Introduce only canonical NaN value into the VM, to avoid signaling NaNs. | 
| value = i::OS::nan_value(); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Object> result = isolate->factory()->NewNumber(value); | 
| return Utils::NumberToLocal(result); | 
| } | 
| @@ -4270,7 +4319,7 @@ Local<Integer> v8::Integer::New(int32_t value) { | 
| return Utils::IntegerToLocal(i::Handle<i::Object>(i::Smi::FromInt(value), | 
| isolate)); | 
| } | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Object> result = isolate->factory()->NewNumber(value); | 
| return Utils::IntegerToLocal(result); | 
| } | 
| @@ -4281,8 +4330,9 @@ Local<Integer> Integer::NewFromUnsigned(uint32_t value) { | 
| if (fits_into_int32_t) { | 
| return Integer::New(static_cast<int32_t>(value)); | 
| } | 
| -  ENTER_V8; | 
| -  i::Handle<i::Object> result = FACTORY->NewNumber(value); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  ENTER_V8(isolate); | 
| +  i::Handle<i::Object> result = isolate->factory()->NewNumber(value); | 
| return Utils::IntegerToLocal(result); | 
| } | 
|  | 
| @@ -4297,7 +4347,7 @@ bool V8::AddMessageListener(MessageCallback that, Handle<Value> data) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::V8::AddMessageListener()"); | 
| ON_BAILOUT(isolate, "v8::V8::AddMessageListener()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| NeanderArray listeners(isolate->factory()->message_listeners()); | 
| NeanderObject obj(2); | 
| @@ -4314,7 +4364,7 @@ void V8::RemoveMessageListeners(MessageCallback that) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::V8::RemoveMessageListener()"); | 
| ON_BAILOUT(isolate, "v8::V8::RemoveMessageListeners()", return); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| NeanderArray listeners(isolate->factory()->message_listeners()); | 
| for (int i = 0; i < listeners.length(); i++) { | 
| @@ -4539,16 +4589,17 @@ int V8::GetLogLines(int from_pos, char* dest_buf, int max_size) { | 
|  | 
|  | 
| int V8::GetCurrentThreadId() { | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| API_ENTRY_CHECK("V8::GetCurrentThreadId()"); | 
| -  EnsureInitialized("V8::GetCurrentThreadId()"); | 
| -  return i::Isolate::Current()->thread_id(); | 
| +  EnsureInitializedForIsolate(isolate, "V8::GetCurrentThreadId()"); | 
| +  return isolate->thread_id(); | 
| } | 
|  | 
|  | 
| void V8::TerminateExecution(int thread_id) { | 
| -  if (!i::Isolate::Current()->IsInitialized()) return; | 
| -  API_ENTRY_CHECK("V8::GetCurrentThreadId()"); | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (!isolate->IsInitialized()) return; | 
| +  API_ENTRY_CHECK("V8::GetCurrentThreadId()"); | 
| // If the thread_id identifies the current thread just terminate | 
| // execution right away.  Otherwise, ask the thread manager to | 
| // terminate the thread with the given id if any. | 
| @@ -4616,14 +4667,15 @@ void Isolate::Exit() { | 
|  | 
|  | 
| String::Utf8Value::Utf8Value(v8::Handle<v8::Value> obj) { | 
| -  EnsureInitialized("v8::String::Utf8Value::Utf8Value()"); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (IsDeadCheck(isolate, "v8::String::Utf8Value::Utf8Value()")) return; | 
| if (obj.IsEmpty()) { | 
| str_ = NULL; | 
| length_ = 0; | 
| return; | 
| } | 
| -  ENTER_V8; | 
| -  HandleScope scope; | 
| +  ENTER_V8(isolate); | 
| +  i::HandleScope scope(isolate); | 
| TryCatch try_catch; | 
| Handle<String> str = obj->ToString(); | 
| if (str.IsEmpty()) { | 
| @@ -4643,14 +4695,15 @@ String::Utf8Value::~Utf8Value() { | 
|  | 
|  | 
| String::AsciiValue::AsciiValue(v8::Handle<v8::Value> obj) { | 
| -  EnsureInitialized("v8::String::AsciiValue::AsciiValue()"); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (IsDeadCheck(isolate, "v8::String::AsciiValue::AsciiValue()")) return; | 
| if (obj.IsEmpty()) { | 
| str_ = NULL; | 
| length_ = 0; | 
| return; | 
| } | 
| -  ENTER_V8; | 
| -  HandleScope scope; | 
| +  ENTER_V8(isolate); | 
| +  i::HandleScope scope(isolate); | 
| TryCatch try_catch; | 
| Handle<String> str = obj->ToString(); | 
| if (str.IsEmpty()) { | 
| @@ -4670,14 +4723,15 @@ String::AsciiValue::~AsciiValue() { | 
|  | 
|  | 
| String::Value::Value(v8::Handle<v8::Value> obj) { | 
| -  EnsureInitialized("v8::String::Value::Value()"); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  if (IsDeadCheck(isolate, "v8::String::Value::Value()")) return; | 
| if (obj.IsEmpty()) { | 
| str_ = NULL; | 
| length_ = 0; | 
| return; | 
| } | 
| -  ENTER_V8; | 
| -  HandleScope scope; | 
| +  ENTER_V8(isolate); | 
| +  i::HandleScope scope(isolate); | 
| TryCatch try_catch; | 
| Handle<String> str = obj->ToString(); | 
| if (str.IsEmpty()) { | 
| @@ -4699,7 +4753,7 @@ Local<Value> Exception::RangeError(v8::Handle<v8::String> raw_message) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| LOG_API(isolate, "RangeError"); | 
| ON_BAILOUT(isolate, "v8::Exception::RangeError()", return Local<Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Object* error; | 
| { | 
| i::HandleScope scope(isolate); | 
| @@ -4715,7 +4769,7 @@ Local<Value> Exception::ReferenceError(v8::Handle<v8::String> raw_message) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| LOG_API(isolate, "ReferenceError"); | 
| ON_BAILOUT(isolate, "v8::Exception::ReferenceError()", return Local<Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Object* error; | 
| { | 
| i::HandleScope scope(isolate); | 
| @@ -4731,7 +4785,7 @@ Local<Value> Exception::SyntaxError(v8::Handle<v8::String> raw_message) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| LOG_API(isolate, "SyntaxError"); | 
| ON_BAILOUT(isolate, "v8::Exception::SyntaxError()", return Local<Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Object* error; | 
| { | 
| i::HandleScope scope(isolate); | 
| @@ -4747,7 +4801,7 @@ Local<Value> Exception::TypeError(v8::Handle<v8::String> raw_message) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| LOG_API(isolate, "TypeError"); | 
| ON_BAILOUT(isolate, "v8::Exception::TypeError()", return Local<Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Object* error; | 
| { | 
| i::HandleScope scope(isolate); | 
| @@ -4763,7 +4817,7 @@ Local<Value> Exception::Error(v8::Handle<v8::String> raw_message) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| LOG_API(isolate, "Error"); | 
| ON_BAILOUT(isolate, "v8::Exception::Error()", return Local<Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Object* error; | 
| { | 
| i::HandleScope scope(isolate); | 
| @@ -4795,7 +4849,7 @@ bool Debug::SetDebugEventListener(EventCallback that, Handle<Value> data) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::Debug::SetDebugEventListener()"); | 
| ON_BAILOUT(isolate, "v8::Debug::SetDebugEventListener()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
|  | 
| isolate->set_debug_event_callback(that); | 
|  | 
| @@ -4813,7 +4867,7 @@ bool Debug::SetDebugEventListener2(EventCallback2 that, Handle<Value> data) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| EnsureInitializedForIsolate(isolate, "v8::Debug::SetDebugEventListener2()"); | 
| ON_BAILOUT(isolate, "v8::Debug::SetDebugEventListener2()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::HandleScope scope(isolate); | 
| i::Handle<i::Object> proxy = isolate->factory()->undefined_value(); | 
| if (that != NULL) { | 
| @@ -4829,7 +4883,7 @@ bool Debug::SetDebugEventListener(v8::Handle<v8::Object> that, | 
| Handle<Value> data) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| ON_BAILOUT(isolate, "v8::Debug::SetDebugEventListener()", return false); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| isolate->debugger()->SetEventListener(Utils::OpenHandle(*that), | 
| Utils::OpenHandle(*data)); | 
| return true; | 
| @@ -4879,11 +4933,12 @@ static void MessageHandlerWrapper(const v8::Debug::Message& message) { | 
|  | 
| void Debug::SetMessageHandler(v8::Debug::MessageHandler handler, | 
| bool message_handler_thread) { | 
| -  EnsureInitialized("v8::Debug::SetMessageHandler"); | 
| -  ENTER_V8; | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| +  EnsureInitializedForIsolate(isolate, "v8::Debug::SetMessageHandler"); | 
| +  ENTER_V8(isolate); | 
| + | 
| // Message handler thread not supported any more. Parameter temporally left in | 
| -  // the API for client compatability reasons. | 
| +  // the API for client compatibility reasons. | 
| CHECK(!message_handler_thread); | 
|  | 
| // TODO(sgjesse) support the old message handler API through a simple wrapper. | 
| @@ -4897,9 +4952,10 @@ void Debug::SetMessageHandler(v8::Debug::MessageHandler handler, | 
|  | 
|  | 
| void Debug::SetMessageHandler2(v8::Debug::MessageHandler2 handler) { | 
| -  EnsureInitialized("v8::Debug::SetMessageHandler"); | 
| -  ENTER_V8; | 
| -  i::Isolate::Current()->debugger()->SetMessageHandler(handler); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  EnsureInitializedForIsolate(isolate, "v8::Debug::SetMessageHandler"); | 
| +  ENTER_V8(isolate); | 
| +  isolate->debugger()->SetMessageHandler(handler); | 
| } | 
|  | 
|  | 
| @@ -4920,17 +4976,20 @@ void Debug::SendCommand(const uint16_t* command, int length, | 
|  | 
| void Debug::SetHostDispatchHandler(HostDispatchHandler handler, | 
| int period) { | 
| -  EnsureInitialized("v8::Debug::SetHostDispatchHandler"); | 
| -  ENTER_V8; | 
| -  i::Isolate::Current()->debugger()->SetHostDispatchHandler(handler, period); | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  EnsureInitializedForIsolate(isolate, "v8::Debug::SetHostDispatchHandler"); | 
| +  ENTER_V8(isolate); | 
| +  isolate->debugger()->SetHostDispatchHandler(handler, period); | 
| } | 
|  | 
|  | 
| void Debug::SetDebugMessageDispatchHandler( | 
| DebugMessageDispatchHandler handler, bool provide_locker) { | 
| -  EnsureInitialized("v8::Debug::SetDebugMessageDispatchHandler"); | 
| -  ENTER_V8; | 
| -  i::Isolate::Current()->debugger()->SetDebugMessageDispatchHandler( | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  EnsureInitializedForIsolate(isolate, | 
| +                              "v8::Debug::SetDebugMessageDispatchHandler"); | 
| +  ENTER_V8(isolate); | 
| +  isolate->debugger()->SetDebugMessageDispatchHandler( | 
| handler, provide_locker); | 
| } | 
|  | 
| @@ -4940,20 +4999,20 @@ Local<Value> Debug::Call(v8::Handle<v8::Function> fun, | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| if (!isolate->IsInitialized()) return Local<Value>(); | 
| ON_BAILOUT(isolate, "v8::Debug::Call()", return Local<Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| i::Handle<i::Object> result; | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| if (data.IsEmpty()) { | 
| result = | 
| -        i::Isolate::Current()->debugger()->Call(Utils::OpenHandle(*fun), | 
| -                                                FACTORY->undefined_value(), | 
| -                                                &has_pending_exception); | 
| +        isolate->debugger()->Call(Utils::OpenHandle(*fun), | 
| +                                  isolate->factory()->undefined_value(), | 
| +                                  &has_pending_exception); | 
| } else { | 
| -    result = i::Isolate::Current()->debugger()->Call(Utils::OpenHandle(*fun), | 
| -                                                     Utils::OpenHandle(*data), | 
| -                                                     &has_pending_exception); | 
| +    result = isolate->debugger()->Call(Utils::OpenHandle(*fun), | 
| +                                       Utils::OpenHandle(*data), | 
| +                                       &has_pending_exception); | 
| } | 
| -  EXCEPTION_BAILOUT_CHECK(Local<Value>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); | 
| return Utils::ToLocal(result); | 
| } | 
|  | 
| @@ -4962,9 +5021,9 @@ Local<Value> Debug::GetMirror(v8::Handle<v8::Value> obj) { | 
| i::Isolate* isolate = i::Isolate::Current(); | 
| if (!isolate->IsInitialized()) return Local<Value>(); | 
| ON_BAILOUT(isolate, "v8::Debug::GetMirror()", return Local<Value>()); | 
| -  ENTER_V8; | 
| +  ENTER_V8(isolate); | 
| v8::HandleScope scope; | 
| -  i::Debug* isolate_debug = i::Isolate::Current()->debug(); | 
| +  i::Debug* isolate_debug = isolate->debug(); | 
| isolate_debug->Load(); | 
| i::Handle<i::JSObject> debug(isolate_debug->debug_context()->global()); | 
| i::Handle<i::String> name = FACTORY->LookupAsciiSymbol("MakeMirror"); | 
| @@ -4973,11 +5032,11 @@ Local<Value> Debug::GetMirror(v8::Handle<v8::Value> obj) { | 
| v8::Handle<v8::Function> v8_fun = Utils::ToLocal(fun); | 
| const int kArgc = 1; | 
| v8::Handle<v8::Value> argv[kArgc] = { obj }; | 
| -  EXCEPTION_PREAMBLE(); | 
| +  EXCEPTION_PREAMBLE(isolate); | 
| v8::Handle<v8::Value> result = v8_fun->Call(Utils::ToLocal(debug), | 
| kArgc, | 
| argv); | 
| -  EXCEPTION_BAILOUT_CHECK(Local<Value>()); | 
| +  EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>()); | 
| return scope.Close(result); | 
| } | 
|  | 
| @@ -4992,8 +5051,9 @@ void Debug::ProcessDebugMessages() { | 
| } | 
|  | 
| Local<Context> Debug::GetDebugContext() { | 
| -  EnsureInitialized("v8::Debug::GetDebugContext()"); | 
| -  ENTER_V8; | 
| +  i::Isolate* isolate = i::Isolate::Current(); | 
| +  EnsureInitializedForIsolate(isolate, "v8::Debug::GetDebugContext()"); | 
| +  ENTER_V8(isolate); | 
| return Utils::ToLocal(i::Isolate::Current()->debugger()->GetDebugContext()); | 
| } | 
|  | 
|  |