GitLab

Refactoring the WeakPtrFactory usage, Member variables should appear before the WeakPtrFactory, to ensure that any WeakPtrs to Controller are invalidated before its members variable's destructors are executed, rendering them invalid.

BUG=303818

Review URL: https://codereview.chromium.org/554233002

Cr-Commit-Position: refs/heads/master@{#294163}