Bug 852436 - nsWrapperCache::WrapObject returning false means failure, even if there's no pending exception. r=bz

js/xpconnect/src/XPCConvert.cpp

@@ -840,9 +840,8 @@ XPCConvert::NativeInterface2JSObject(XPCLazyCallContext& lccx,
             if (!flat) {
                 flat = cache->WrapObject(lccx.GetJSContext(),
                                          xpcscope->GetGlobalJSObject());
-                if (!flat && JS_IsExceptionPending(lccx.GetJSContext())) {
+                if (!flat)
                     return false;
-                }
             }
 
             if (flat) {