GitLab

Changing in the intialization order of WeakPtrFactory in src/components module
such that all 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/573623002

Cr-Commit-Position: refs/heads/master@{#295084}