feat: Session#clearData API (#40983)

* WIP: Session.clearBrowsingData API

* impl API method

* clean up

* tidy types and comments

* add docs

* add barebones test

* forgot a `#` :(

* tidy: address review comments

* use format macro for cross-platform build

* add another test

* amend docs to disambiguate

* Rename to `clearData`

docs/api/session.md

@@ -1424,6 +1424,26 @@ is emitted.
 Returns `string | null` - The absolute file system path where data for this
 session is persisted on disk.  For in memory sessions this returns `null`.
 
+#### `ses.clearData()`
+
+Returns `Promise<void>` - resolves when all data has been cleared.
+
+This method clears many different types of data, inlcuding:
+
+* Cache
+* Cookies
+* Downloads
+* IndexedDB
+* Local Storage
+* Service Workers
+* And more...
+
+This method clears more types of data and is more thourough than the
+`clearStorageData` method, however it is currently less configurable than that
+method.
+
+For more information, refer to Chromium's [`BrowsingDataRemover` interface](https://source.chromium.org/chromium/chromium/src/+/main:content/public/browser/browsing_data_remover.h).
+
 ### Instance Properties
 
 The following properties are available on instances of `Session`: