Added daily UMA for non-data-reduction-proxy data usage when the proxy is enabled.

BUG=325325

Review URL: https://codereview.chromium.org/106113002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239897 0039d316-1c4b-4281-b951-d872f2087c98
void ChromeNetworkDelegate::OnRequestWaitStateChange(
    const net::URLRequest& request,
    RequestWaitState state) {
  if (load_time_stats_)
    load_time_stats_->OnRequestWaitStateChange(request, state);
}

void ChromeNetworkDelegate::OnRequestWaitStateChange(
    const net::URLRequest& request,
    RequestWaitState state) {
  if (load_time_stats_)
    load_time_stats_->OnRequestWaitStateChange(request, state);
}
