Revert 143656 - Add an IPC channel between the NaCl loader process and the renderer.
BUG=116317
TEST=ppapi, nacl tests, manual testing for experimental IPC proxy.
Review URL: https://chromiumcodereview.appspot.com/10641016

TBR=bbudge@chromium.org
Review URL: https://chromiumcodereview.appspot.com/10625007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@143665 0039d316-1c4b-4281-b951-d872f2087c98
PP_Var GetDocumentURL(PP_Instance instance, PP_URLComponents_Dev* components) {
  PluginInstance* plugin_instance = host_globals->GetInstance(instance);
  if (!plugin_instance)
    return PP_MakeUndefined();
  return plugin_instance->GetDocumentURL(instance, components);
}

PP_Var GetDocumentURL(PP_Instance instance, PP_URLComponents_Dev* components) {
  PluginInstance* plugin_instance = host_globals->GetInstance(instance);
  if (!plugin_instance)
    return PP_MakeUndefined();
  return plugin_instance->GetDocumentURL(instance, components);
}
