Revert "Handlify GetProperty."

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1884 matching lines @@
 
 v8::Local<Value> v8::TryCatch::StackTrace() const {
   ASSERT(isolate_ == i::Isolate::Current());
   if (HasCaught()) {
     i::Object* raw_obj = reinterpret_cast<i::Object*>(exception_);
     if (!raw_obj->IsJSObject()) return v8::Local<Value>();
     i::HandleScope scope(isolate_);
     i::Handle<i::JSObject> obj(i::JSObject::cast(raw_obj), isolate_);
     i::Handle<i::String> name = isolate_->factory()->stack_string();
     if (!i::JSReceiver::HasProperty(obj, name)) return v8::Local<Value>();
-    i::Handle<i::Object> value;
-    if (!i::Object::GetProperty(obj, name).ToHandle(&value)) {
-      return v8::Local<Value>();
-    }
+    i::Handle<i::Object> value = i::Object::GetProperty(obj, name);
+    if (value.is_null()) return v8::Local<Value>();
     return v8::Utils::ToLocal(scope.CloseAndEscape(value));
   } else {
     return v8::Local<Value>();
   }
 }
 
 
 v8::Local<v8::Message> v8::TryCatch::Message() const {
   ASSERT(isolate_ == i::Isolate::Current());
   i::Object* message = reinterpret_cast<i::Object*>(message_obj_);
@@ skipping 74 matching lines @@
 
 MUST_USE_RESULT static i::MaybeHandle<i::Object> CallV8HeapFunction(
     const char* name,
     i::Handle<i::Object> recv,
     int argc,
     i::Handle<i::Object> argv[]) {
   i::Isolate* isolate = i::Isolate::Current();
   i::Handle<i::String> fmt_str =
       isolate->factory()->InternalizeUtf8String(name);
   i::Handle<i::Object> object_fun =
-      i::Object::GetProperty(
-          isolate->js_builtins_object(), fmt_str).ToHandleChecked();
+      i::GlobalObject::GetPropertyNoExceptionThrown(
+          isolate->js_builtins_object(), fmt_str);
   i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(object_fun);
   return i::Execution::Call(isolate, fun, recv, argc, argv);
 }
 
 
 MUST_USE_RESULT static i::MaybeHandle<i::Object> CallV8HeapFunction(
     const char* name,
     i::Handle<i::Object> data) {
   i::Handle<i::Object> argv[] = { data };
   return CallV8HeapFunction(name,
@@ skipping 109 matching lines @@
 
 
 // --- S t a c k T r a c e ---
 
 Local<StackFrame> StackTrace::GetFrame(uint32_t index) const {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ENTER_V8(isolate);
   EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate));
   i::Handle<i::JSArray> self = Utils::OpenHandle(this);
   i::Handle<i::Object> obj =
-      i::Object::GetElement(isolate, self, index).ToHandleChecked();
+      i::Object::GetElementNoExceptionThrown(isolate, self, index);
   i::Handle<i::JSObject> jsobj = i::Handle<i::JSObject>::cast(obj);
   return scope.Escape(Utils::StackFrameToLocal(jsobj));
 }
 
 
 int StackTrace::GetFrameCount() const {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ENTER_V8(isolate);
   return i::Smi::cast(Utils::OpenHandle(this)->length())->value();
 }
@@ skipping 294 matching lines @@
   i::Isolate* isolate = i::Isolate::Current();
   i::Handle<i::Object> obj = Utils::OpenHandle(this);
   return obj->HasSpecificClassOf(isolate->heap()->Number_string());
 }
 
 
 static i::Object* LookupBuiltin(i::Isolate* isolate,
                                 const char* builtin_name) {
   i::Handle<i::String> string =
       isolate->factory()->InternalizeUtf8String(builtin_name);
-  return *i::Object::GetProperty(
-      isolate->js_builtins_object(), string).ToHandleChecked();
+  return *i::GlobalObject::GetPropertyNoExceptionThrown(
+      isolate->js_builtins_object(), string);
 }
 
 
 static bool CheckConstructor(i::Isolate* isolate,
                              i::Handle<i::JSObject> obj,
                              const char* class_name) {
   i::Object* constr = obj->map()->constructor();
   if (!constr->IsJSFunction()) return false;
   i::JSFunction* func = i::JSFunction::cast(constr);
   return func->shared()->native() &&
@@ skipping 4492 matching lines @@
   v8::EscapableHandleScope scope(reinterpret_cast<Isolate*>(isolate));
   i::Debug* isolate_debug = isolate->debug();
   EXCEPTION_PREAMBLE(isolate);
   has_pending_exception = !isolate_debug->Load();
   v8::Local<v8::Value> result;
   if (!has_pending_exception) {
     i::Handle<i::JSObject> debug(
         isolate_debug->debug_context()->global_object());
     i::Handle<i::String> name = isolate->factory()->InternalizeOneByteString(
         STATIC_ASCII_VECTOR("MakeMirror"));
-    i::Handle<i::Object> fun_obj =
-        i::Object::GetProperty(debug, name).ToHandleChecked();
+    i::Handle<i::Object> fun_obj = i::Object::GetProperty(debug, name);
+    ASSERT(!fun_obj.is_null());
     i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(fun_obj);
     v8::Handle<v8::Function> v8_fun = Utils::ToLocal(fun);
     const int kArgc = 1;
     v8::Handle<v8::Value> argv[kArgc] = { obj };
     result = v8_fun->Call(Utils::ToLocal(debug), kArgc, argv);
     has_pending_exception = result.IsEmpty();
   }
   EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
   return scope.Escape(result);
 }
@@ skipping 675 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal