GitLab

Initial componentization of chrome/renderer/safe_browsing
code.

In this patch:
 - move some initial files and tests to components/
   safe_browsing/content/renderer/phishing_classifier
   (in particular features* and test_utils code).
 - add new build config file,
 - update all relevant build files and includes.

BUG=1115700

Change-Id: I75e6ca754ad00135d8e6d9e466565885377b92f0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2437384
Commit-Queue: Tim Volodine <timvolodine@chromium.org>
Reviewed-by: Daniel Rubery <drubery@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812800}