Fix antialiasing ppapi settings, browser_tests in win32k lockdown

PpapiPluginMain was calling font and dpi retrieval functions which
don't work in lockdown. Pass those values on the command line instead.

BUG=258201,615375

Review-Url: https://codereview.chromium.org/2306193002
Cr-Commit-Position: refs/heads/master@{#416704}
4 files changed