tree c681507fc7a8bd599c2fd1f7de36099b1cb793c4
parent 72b3ed3bbde5245c380eb39b5f7bd517807d0302
author asvitkine <asvitkine@chromium.org> 1441387065 -0700
committer Commit bot <commit-bot@chromium.org> 1441387092 +0000

Initial implementation of FeatureList in base/.

This first CL adds the initial version of FeatureList singleton class,
providing support for the following:
  - Initial class structure and singleton registration
  - Support for --enable-features= and --disable-features= flags
  - API to test if a feature is enabled or not
  - Its registration in chrome_browser_main.cc
  - Debug checks to ensure each Feature struct is defined only once
  - Basic unit tests

Parts that will be implemented in follow-up CLs:
  - Integration with FieldTrials (split out into a follow-up CL)
  - VariationsService integration and kill switch support
  - Various bits above base/ (e.g. about flags, sub-process stuff ,..)

BUG=526169

Review URL: https://codereview.chromium.org/1278403003

Cr-Commit-Position: refs/heads/master@{#347438}