Reland: Use RE string pattern matching for blacklist strings.

Original CL: https://codereview.chromium.org/452293002/

(Was reverted due to a false alarm about using uninitialized variables in re2)

Including cpu_brand, gl_vendor, gl_renderer, gl_extension, driver_vendor,
and machine_model_name.

BUG=396578
TBR=kbr@chromium.org,piman@chromium.org
TEST=gpu_unittests

Review URL: https://codereview.chromium.org/475163002

git-svn-id: http://src.chromium.org/svn/trunk/src/gpu@289803 4ff67af0-8c30-449e-8e8b-ad334ec8d88c