Add a basic Mojo app that initializes V8

This CL introduces a basic Mojo app that initializes V8 and then exits.
Eventually, this app will grow towards being able to execute JavaScript
retrieved from the network and letting that JavaScript access Mojo services.

[email protected]

Review URL: https://codereview.chromium.org/65943002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233882 0039d316-1c4b-4281-b951-d872f2087c98
5 files changed