Prefix CommandLine usage with base namespace (Part 8: components)

Prefix all CommandLine usage in the components/ directory's following subdirectories:
autofill, cloud_devices, crash, data_reduction_proxy and dom_distiller
with the base:: namespace.

BUG=422426

Review URL: https://codereview.chromium.org/762723003

Cr-Commit-Position: refs/heads/master@{#306576}
21 files changed