WebResourceResponse calc worng content-length

[ljx0517]

• [x] I have read the Getting Started section
• [x] I have already searched for the same problem

Environment

Technology	Version
Flutter version	Channel beta, 3.17.0-0.0.pre, on macOS 14.0 23A344 darwin-arm64
Plugin version	^6.0.0-beta.30
Android version	Android 12, API 31
iOS version
macOS version
Xcode version

Device information: emulator

Description

Expected behavior: WebResourceResponse will calc the right content-length

Current behavior:

I use shouldInterceptRequest to intercept the video request with Range head, I use my http method to get the video bytes ,and the response content-range is right, then , I add the content-range to WebResourceResponse , in chrome to view the webview request the content-length is wrong , the WebResourceResponse cannot set content-length ,it is calc the value auto , but the value is wrong, the request without gzip or br..

Steps to reproduce

the image, and js css is fine ,I want to intercept video 1.

shouldInterceptRequest:(InAppWebViewController controller, WebResourceRequest request) async {
    return await PassthroughClient.bypass(request);
}

PassthroughClient.bypass(request);
// request.url is http:// sdfas.com/asdf/demp.mp4
final req = http.Request("GET", Uri.parse(request.url.toString()) );
   if (request.headers != null) {
     req.headers.addAll(request.headers!);
   }
   final response = await client.send(req);
   var r =  WebResourceResponse(
         data: response.stream.toBytes() 
         headers: {},
         reasonPhrase: response.reasonPhrase,
         statusCode: response.statusCode
     );

3. use chrome remote debug , to view the response content-length

Images

Stacktrace/Logcat

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