NewError no longer returns a MaybeObject.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 4dfd98c61c382f68a0c6570a5eb108e35a51f176..663b3edd0df860f730452a614598ed638a813a81 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -519,40 +519,38 @@ class Factory FINAL {
 
   // Interface for creating error objects.
 
-  MaybeHandle<Object> NewError(const char* maker, const char* message,
-                               Handle<JSArray> args);
+  Handle<Object> NewError(const char* maker, const char* message,
+                          Handle<JSArray> args);
   Handle<String> EmergencyNewError(const char* message, Handle<JSArray> args);
-  MaybeHandle<Object> NewError(const char* maker, const char* message,
-                               Vector<Handle<Object> > args);
-  MaybeHandle<Object> NewError(const char* message,
-                               Vector<Handle<Object> > args);
-  MaybeHandle<Object> NewError(Handle<String> message);
-  MaybeHandle<Object> NewError(const char* constructor, Handle<String> message);
+  Handle<Object> NewError(const char* maker, const char* message,
+                          Vector<Handle<Object> > args);
+  Handle<Object> NewError(const char* message, Vector<Handle<Object> > args);
+  Handle<Object> NewError(Handle<String> message);
+  Handle<Object> NewError(const char* constructor, Handle<String> message);
 
-  MaybeHandle<Object> NewTypeError(const char* message,
-                                   Vector<Handle<Object> > args);
-  MaybeHandle<Object> NewTypeError(Handle<String> message);
+  Handle<Object> NewTypeError(const char* message,
+                              Vector<Handle<Object> > args);
+  Handle<Object> NewTypeError(Handle<String> message);
 
-  MaybeHandle<Object> NewRangeError(const char* message,
-                                    Vector<Handle<Object> > args);
-  MaybeHandle<Object> NewRangeError(Handle<String> message);
+  Handle<Object> NewRangeError(const char* message,
+                               Vector<Handle<Object> > args);
+  Handle<Object> NewRangeError(Handle<String> message);
 
-  MaybeHandle<Object> NewInvalidStringLengthError() {
+  Handle<Object> NewInvalidStringLengthError() {
     return NewRangeError("invalid_string_length",
                          HandleVector<Object>(NULL, 0));
   }
 
-  MaybeHandle<Object> NewSyntaxError(const char* message, Handle<JSArray> args);
-  MaybeHandle<Object> NewSyntaxError(Handle<String> message);
-
-  MaybeHandle<Object> NewReferenceError(const char* message,
-                                        Vector<Handle<Object> > args);
-  MaybeHandle<Object> NewReferenceError(const char* message,
-                                        Handle<JSArray> args);
-  MaybeHandle<Object> NewReferenceError(Handle<String> message);
+  Handle<Object> NewSyntaxError(const char* message, Handle<JSArray> args);
+  Handle<Object> NewSyntaxError(Handle<String> message);
 
-  MaybeHandle<Object> NewEvalError(const char* message,
+  Handle<Object> NewReferenceError(const char* message,
                                    Vector<Handle<Object> > args);
+  Handle<Object> NewReferenceError(const char* message, Handle<JSArray> args);
+  Handle<Object> NewReferenceError(Handle<String> message);
+
+  Handle<Object> NewEvalError(const char* message,
+                              Vector<Handle<Object> > args);
 
   Handle<String> NumberToString(Handle<Object> number,
                                 bool check_number_string_cache = true);