Rename _untrusted targets in third_party to use _nacl suffix

Previously NaCl targets were using _untrusted suffix which makes the
purpose of these targets hard to understand. This CL renames some targets in src/third_party.

Also removed toolsets field from modp_b64_nacl.gyp

Review URL: https://codereview.chromium.org/138673002

git-svn-id: http://src.chromium.org/svn/trunk/src/third_party/jsoncpp@245176 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed