Fix a bug in network_session_configurator.cc in which support for HTTPS URLS in QUIC proxies was always set to false.

BUG=914497

Change-Id: I56ad16088168302598bb448553ba32795eee3756
Reviewed-on: https://chromium-review.googlesource.com/c/1417356
Auto-Submit: Ryan Hamilton <rch@chromium.org>
Commit-Queue: Zhongyi Shi <zhongyi@chromium.org>
Reviewed-by: Zhongyi Shi <zhongyi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#623763}
bool ShouldEnableQuicProxiesForHttpsUrls(
    const VariationParameters& quic_trial_params) {
  return base::LowerCaseEqualsASCII(
      GetVariationParam(quic_trial_params,
                        "enable_quic_proxies_for_https_urls"),
      "true");
}

bool ShouldEnableQuicProxiesForHttpsUrls(
    const VariationParameters& quic_trial_params) {
  return base::LowerCaseEqualsASCII(
      GetVariationParam(quic_trial_params,
                        "enable_quic_proxies_for_https_urls"),
      "true");
}
