- Electron version: 1.2.0

If you have a preload script with something like:

``` js
window.methodDoesNotExist()
```

The error from that script no longer displays in the console in 1.2.0.

Here is what the Console looked like on 1.1.3 where it currently works:

<img width="870" alt="screen shot 2016-05-26 at 11 33 15 am" src="https://cloud.githubusercontent.com/assets/671378/15585732/b544a318-2335-11e6-8d61-15ed0660ff5d.png">

atom/renderer/atom_renderer_client.cc
content::RenderFrame* render_frame) {
  
  node::Environment* env = node_bindings_->uv_env();
  if (env) {
    v8::HandleScope handle_scope(env->isolate());
    mate::EmitEvent(env->isolate(), env->process_object(), "document-end");
  }
}
blink::WebSpeechSynthesizer* AtomRendererClient::OverrideSpeechSynthesizer(
    blink::WebSpeechSynthesizerClient* client) {
  return new TtsDispatcher(client);
}
bool AtomRendererClient::OverrideCreatePlugin(
    content::RenderFrame* render_frame,
    blink::WebLocalFrame* frame,
    const blink::WebPluginParams& params,
    blink::WebPlugin** plugin) {
  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  if (params.mimeType.utf8() == content::kBrowserPluginMimeType ||
      command_line->HasSwitch(switches::kEnablePlugins))
    return false;
  *plugin = nullptr;
  return true;
}
void AtomRendererClient::DidCreateScriptContext(