This update for chromium, gn fixes the following issues:

chromium was updated to 86.0.4240.183 boo#1178375

- CVE-2020-16004: Use after free in user interface.
- CVE-2020-16005: Insufficient policy enforcement in ANGLE.
- CVE-2020-16006: Inappropriate implementation in V8
- CVE-2020-16007: Insufficient data validation in installer.
- CVE-2020-16008: Stack buffer overflow in WebRTC.
- CVE-2020-16009: Inappropriate implementation in V8.
- CVE-2020-16011: Heap buffer overflow in UI on Windows.

Update to 86.0.4240.111 boo#1177936

- CVE-2020-16000: Inappropriate implementation in Blink.
- CVE-2020-16001: Use after free in media.
- CVE-2020-16002: Use after free in PDFium.
- CVE-2020-15999: Heap buffer overflow in Freetype.
- CVE-2020-16003: Use after free in printing.

- chromium-86-f_seal.patch: F_SEAL* definitions added for leap 15.1 and 15.2

- Remove vdpau->vaapi bridge as it breaks a lot:
  (fixes welcome by someone else than me)

- Fix cookiemonster:

Update to 86.0.4240.75 boo#1177408:

* CVE-2020-15967: Use after free in payments.
* CVE-2020-15968: Use after free in Blink.
* CVE-2020-15969: Use after free in WebRTC. 
* CVE-2020-15970: Use after free in NFC.
* CVE-2020-15971: Use after free in printing. 
* CVE-2020-15972: Use after free in audio. 
* CVE-2020-15990: Use after free in autofill. 
* CVE-2020-15991: Use after free in password manager.
* CVE-2020-15973: Insufficient policy enforcement in extensions.
* CVE-2020-15974: Integer overflow in Blink. 
* CVE-2020-15975: Integer overflow in SwiftShader. 
* CVE-2020-15976: Use after free in WebXR. 
* CVE-2020-6557: Inappropriate implementation in networking. 
* CVE-2020-15977: Insufficient data validation in dialogs.
* CVE-2020-15978: Insufficient data validation in navigation.
* CVE-2020-15979: Inappropriate implementation in V8.
* CVE-2020-15980: Insufficient policy enforcement in Intents.
* CVE-2020-15981: Out of bounds read in audio. 
* CVE-2020-15982: Side-channel information leakage in cache. 
* CVE-2020-15983: Insufficient data validation in webUI.
* CVE-2020-15984: Insufficient policy enforcement in Omnibox. 
* CVE-2020-15985: Inappropriate implementation in Blink. 
* CVE-2020-15986: Integer overflow in media. 
* CVE-2020-15987: Use after free in WebRTC. 
* CVE-2020-15992: Insufficient policy enforcement in networking. 
* CVE-2020-15988: Insufficient policy enforcement in downloads.
* CVE-2020-15989: Uninitialized Use in PDFium.

- Update to 0.1807:

  * no upstream changelog