Make exception thrown via v8 public API propagate to v8::TryCatch as JS thrown exceptions do.

src/handles.cc

Index: src/handles.cc
diff --git a/src/handles.cc b/src/handles.cc
index 461c3f5fab9b1280bfad66ceb52c831d8d2ad469..251001dd08d9e788ca0ad56816ab23eb5e763144 100644
--- a/src/handles.cc
+++ b/src/handles.cc
@@ -314,6 +314,15 @@ Handle<Object> GetProperty(Handle<Object> obj,
 }
 
 
+Handle<Object> GetProperty(Handle<JSObject> obj,
+                           Handle<String> name,
+                           LookupResult* result) {
+  PropertyAttributes attributes;
+  CALL_HEAP_FUNCTION(obj->GetProperty(*obj, result, *name, &attributes),
+                     Object);
+}
+
+
 Handle<Object> GetElement(Handle<Object> obj,
                           uint32_t index) {
   CALL_HEAP_FUNCTION(Runtime::GetElement(obj, index), Object);