GitLab

Trivially moves all helper functions and classes to the existing
bookmarks_helper namespace.

Bug: None
Change-Id: I9947b8437bc28e84de0b905a3e1bd4e9ef3292af
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1879912
Auto-Submit: Mikel Astiz <mastiz@chromium.org>
Commit-Queue: Maksim Moskvitin <mmoskvitin@google.com>
Reviewed-by: Maksim Moskvitin <mmoskvitin@google.com>
Cr-Commit-Position: refs/heads/master@{#709403}