Revert "Handlify GetProperty."

src/isolate.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 832 matching lines @@
 const char* const Isolate::kStackOverflowMessage =
   "Uncaught RangeError: Maximum call stack size exceeded";
 
 
 Failure* Isolate::StackOverflow() {
   HandleScope scope(this);
   // At this point we cannot create an Error object using its javascript
   // constructor.  Instead, we copy the pre-constructed boilerplate and
   // attach the stack trace as a hidden property.
   Handle<String> key = factory()->stack_overflow_string();
-  Handle<JSObject> boilerplate = Handle<JSObject>::cast(
-      Object::GetProperty(js_builtins_object(), key).ToHandleChecked());
+  Handle<JSObject> boilerplate =
+      Handle<JSObject>::cast(Object::GetProperty(js_builtins_object(), key));
   Handle<JSObject> exception = JSObject::Copy(boilerplate);
   DoThrow(*exception, NULL);
 
   // Get stack trace limit.
   Handle<Object> error =
       GetProperty(js_builtins_object(), "$Error").ToHandleChecked();
   if (!error->IsJSObject()) return Failure::Exception();
   Handle<Object> stack_trace_limit =
       GetProperty(
           Handle<JSObject>::cast(error), "stackTraceLimit").ToHandleChecked();
@@ skipping 178 matching lines @@
     return handler == NULL;
   }
 }
 
 
 bool Isolate::IsErrorObject(Handle<Object> obj) {
   if (!obj->IsJSObject()) return false;
 
   Handle<String> error_key =
       factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("$Error"));
-  Handle<Object> error_constructor = Object::GetProperty(
-      js_builtins_object(), error_key).ToHandleChecked();
+  Handle<Object> error_constructor = GlobalObject::GetPropertyNoExceptionThrown(
+      js_builtins_object(), error_key);
 
   DisallowHeapAllocation no_gc;
   for (Object* prototype = *obj; !prototype->IsNull();
        prototype = prototype->GetPrototype(this)) {
     if (!prototype->IsJSObject()) return false;
     if (JSObject::cast(prototype)->map()->constructor() ==
         *error_constructor) {
       return true;
     }
   }
@@ skipping 1222 matching lines @@
       Handle<JSObject> obj = factory()->NewJSObjectFromMap(map);
       JSObject::NormalizeProperties(obj, KEEP_INOBJECT_PROPERTIES, 8);
       JSObject::SetProperty(registry, name, obj, NONE, STRICT).Assert();
     }
   }
   return Handle<JSObject>::cast(factory()->symbol_registry());
 }
 
 
 } }  // namespace v8::internal