* chore: bump chromium in DEPS to 121.0.6128.0

* build: update patches

* refactor: remove instrumentation from extensions code

Ref: https://chromium-review.googlesource.com/c/chromium/src/+/5002404

* refactor: modernization of tabs_api

Ref: https://chromium-review.googlesource.com/c/chromium/src/+/4997031

* fix: add RecordHover and RecordDrag handlers

* build: add missing pdf files

* chore: bump chromium in DEPS to 121.0.6129.0

* chore: bump chromium in DEPS to 121.0.6131.0

* chore: update patches

* refactor: remove will_cause_resize from ExitFullscreen

Ref: https://chromium-review.googlesource.com/c/chromium/src/+/5031312

* chore: add missing std converter include

Before these were being inferred as std::string implicitly, not anymore
Ref: https://chromium-review.googlesource.com/c/chromium/src/+/5029573

* chore: Unwrap UserScriptList from unique_ptrs

Ref: https://chromium-review.googlesource.com/c/chrom...