Refine the histogram for browser actions.

BUG=341473

Review URL: https://codereview.chromium.org/153583006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249595 0039d316-1c4b-4281-b951-d872f2087c98
Blink roll 166650:166660

http://build.chromium.org/f/chromium/perf/dashboard/ui/changelog_blink.html?url=/trunk&range=166651:166660&mode=html
TBR=
BUG=

Review URL: https://codereview.chromium.org/152893006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249596 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249597 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249597