Attempt to diagnose the weird js environment when 281268 repros.

This is a part of the ongoing effort to understand why 281268 happens
on the WebRTC bots.

BUG=281268
TBR=tommi@chromium.org

Review URL: https://codereview.chromium.org/96633002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237908 0039d316-1c4b-4281-b951-d872f2087c98
TSan v1: ignore *strcasecmp*

Optimized __strcasecmp_l_ssse3 overreads past the end of the buffer and
races with random accesses from other threads.

BUG=177074
TBR=jyasskin@chromium.org

Review URL: https://codereview.chromium.org/96553003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237909 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237908
Escape "/" and ".." etc by "_" in Drive path names.

Previously we replaced "/" with a similar looking unicode character and
did nothing for "..". This change fixes the treatment of "..", and aligns
the behavior with Drive clients for other platforms.

BUG=324389
R=hashimoto@chromium.org

Review URL: https://codereview.chromium.org/96203004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237910 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237910