Revert "Fix example syntax"
Revert "Fix example syntax"

This reverts commit 5964cb97ec0f8a834f77e69f8b3ca1ccefdd8718.

Reason for revert: change to the comment made it incorrect.

Original change's description:
> Fix example syntax
> 
> Update example syntax - HttpClient has a named argument for SecurityContext
> 
> Closes #37404
> https://github.com/dart-lang/sdk/pull/37404
> 
> GitOrigin-RevId: 780efc6147f0e05ef28ea83e438c593e63f7fa9a
> Change-Id: I97c868ee8da45fb8e5fd9b0f5ef517616073a6bb
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/107760
> Reviewed-by: Zach Anderson <zra@google.com>
> Commit-Queue: Michael Thomsen <mit@google.com>

TBR=mit@google.com,zra@google.com,copybara-worker-blackhole@google.com

Change-Id: I5ff5f34b97aa818c1206073d9958af4791147aa0
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/110906
Reviewed-by: Vyacheslav Egorov <72c81f38df725d8f1832acb9b5bb99563fc2f1b9@google.com>
Commit-Queue: Vyacheslav Egorov <72c81f38df725d8f1832acb9b5bb99563fc2f1b9@google.com>

dart-lang/sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk