Revert "Revert 100494 - Fix bug in SimulateAttrib0."""

TEST=none
BUG=95625
TBR=apatrick@chromium.org

Review URL: http://codereview.chromium.org/7796016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@100507 0039d316-1c4b-4281-b951-d872f2087c98
bool GLES2DecoderImpl::DoIsRenderbuffer(GLuint client_id) {
  const RenderbufferManager::RenderbufferInfo* info =
      GetRenderbufferInfo(client_id);
  return info && info->IsValid();
}

bool GLES2DecoderImpl::DoIsRenderbuffer(GLuint client_id) {
  const RenderbufferManager::RenderbufferInfo* info =
      GetRenderbufferInfo(client_id);
  return info && info->IsValid();
}
