GitLab

Settings: Remove unnecessary wrapper functions in search engines tests.

Specifically removing:
 - cr.define wrapper
 - registerDialogTests
 - registerSearchEngineEntryTests,
 - registerOmniboxExtensionEntryTests,
 - registerPageTests

In preparation of migrating to Polymer 3.

Bug: 1026426
Change-Id: Ida9a6a4201f970d20475a0a5861702c6e5531eed
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2036637
Auto-Submit: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738017}