Code:  void SocketStream::CheckPrivacyMode() {
  if (context_.get() && context_->network_delegate()) {
     bool enable = context_->network_delegate()->CanEnablePrivacyMode(url_,
                                                                      url_);
     privacy_mode_ = enable ? kPrivacyModeEnabled : kPrivacyModeDisabled;
    if (enable)
      server_ssl_config_.channel_id_enabled = false;
  }
}

Commit Message: Revert a workaround commit for a Use-After-Free crash.

Revert a workaround commit r20158 for a Use-After-Free issue (http://crbug.com/244746) because a cleaner CL r207218 is landed.
URLRequestContext does not inherit SupportsWeakPtr now.

R=mmenke
BUG=244746

Review URL: https://chromiumcodereview.appspot.com/16870008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@207811 0039d316-1c4b-4281-b951-d872f2087c98
CWE ID: CWE-399
 void SocketStream::CheckPrivacyMode() {
  if (context_ && context_->network_delegate()) {
     bool enable = context_->network_delegate()->CanEnablePrivacyMode(url_,
                                                                      url_);
     privacy_mode_ = enable ? kPrivacyModeEnabled : kPrivacyModeDisabled;
    if (enable)
      server_ssl_config_.channel_id_enabled = false;
  }
}
