Add an untrusted NaCl build target for jsoncpp.

BUG=316353
R=mallinath@chromium.org,ronghuawu@chromium.org
CC=bradnelson@chromium.org,dmazzoni@chromium.org,dtseng@chromium.org,aboxhall@chromium.org

Review URL: https://codereview.chromium.org/62953015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234073 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234073
[sync] More auth integration tests

This CL adds a bunch of sync integration tests for various auth
failure conditions.

BUG=none
TEST=sync_integration_tests:SyncAuthTest.*

Review URL: https://codereview.chromium.org/66333004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234074 0039d316-1c4b-4281-b951-d872f2087c98
DevTools: Add user metrics for inspecting different kind of targets

BUG=316594

Review URL: https://codereview.chromium.org/66643003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234075 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234075