ppapi: VideoEncoder: fix reported value for GetSupportedProfiles()

ppapi/examples/video_encode/video_encode.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <math.h>
 #include <stdio.h>
 #include <string.h>
 
 #include <iostream>
 #include <map>
@@ skipping 270 matching lines @@
 }
 
 void VideoEncoderInstance::OnEncoderProbed(
     int32_t result,
     const std::vector<PP_VideoProfileDescription> profiles) {
   pp::VarDictionary dict;
   dict.Set(pp::Var("name"), pp::Var("supportedProfiles"));
   pp::VarArray js_profiles;
   dict.Set(pp::Var("profiles"), js_profiles);
 
-  if (result != PP_OK) {
+  if (result < 0) {
     LogError(result, "Cannot get supported profiles");
     PostMessage(dict);
   }
 
   int32_t idx = 0;
   for (const PP_VideoProfileDescription& profile : profiles)
     js_profiles.Set(idx++, pp::Var(VideoProfileToString(profile.profile)));
   PostMessage(dict);
 }
 
@@ skipping 268 matching lines @@
 }
 
 }  // anonymous namespace
 
 namespace pp {
 // Factory function for your specialization of the Module object.
 Module* CreateModule() {
   return new VideoEncoderModule();
 }
 }  // namespace pp