Update Blink C++ styleguide

This CL removes a couple of Blink-specific style rules per the discussion at blink-dev@ (https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/gNRO6_sMWRM/WNR2c6NdAAAJ).

Bug: None
Change-Id: I125954a547c11d0021ef38fd6a9aff79f3d69fca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1771227
Auto-Submit: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Jeremy Roman <jbroman@chromium.org>
Commit-Queue: Jeremy Roman <jbroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#691153}
1 file changed