GitLab

Move pathological_mobile_sites into the rendering folder and refactor to
inherit from the RenderingStory class

Bug: 849392
Change-Id: Ie34cda5845f73b133e9d1df34430eede20f2d670
Reviewed-on: https://chromium-review.googlesource.com/1089383
Commit-Queue: Amy Qiu <amyqiu@google.com>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#565686}