Roll src/third_party/skia 7441782:7375d6b
Roll src/third_party/skia 7441782:7375d6b

Summary of changes available at:
https://chromium.googlesource.com/skia/+log/7441782..7375d6b

CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
TBR=mtklein@google.com

Commits in this roll:
7375d6b joshualitt@chromium.org fixup precision with configurable atlas
0df0e43 scroggo@google.com Revert of Update libwebp and resume testing scaled webp (patchset #2 id:20001 of https://codereview.chromium.org/1280073002/ )
0575d3e scroggo@chromium.org Update libwebp and resume testing scaled webp
2771b56 joshualitt@chromium.org GrDrawVertices to batches
14b8803 jvanverth@google.com Move GrDrawAtlasBatch to separate file
1694a93 jvanverth@google.com Revert of Move GrDrawAtlasBatch to separate file (patchset #1 id:1 of https://codereview.chromium.org/1274013003/ )
b091c44 jvanverth@google.com Move GrDrawAtlasBatch to separate file

Review URL: https://codereview.chromium.org/1279193002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#342501}

ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend