UPD:

• Add internalId to serialization was deprioritised and moved out form the milestone.

Chromium e2e scenario of:

1. Loading Hacker News page.
2. Evaluating JS in the page context.
3. Getting a serialized result to extract headlines from the page.

Commands required:

• Session handling.
• browsingContext.create.
• browsingContext.navigate.
• script.callFunction.
• Serialization.

Includes:

• WebDriver BiDi specification.
  • Session handling.
  • browsingContext.create.
  • browsingContext.navigate.
  • script.callFunction.
  • script.evaluate.
  • Serialization.
• WPT tests.
  • Session handling pure BiDi WPT.
  • Pure BiDi WPT tests for browsingContext
  • WPT tests for script.callFunction
  • WPT tests for script.evaluate
  • WPT tests for serialization
• Implementations in Chromium
  • passing the WPT tests.
  • passing example script.