GitLab

 - remove navigation_list_model_unittest.html
 - add BUILD rules to auto-generate and compile this unittest
 - fix MockFolderShortcutDataModel BUILD rule
   - MockFolderShortcutDataModel depends on ui:array_data_model
 - fix FolderShortcutsDataModel BUILD rule
   - FolderShortcutsDataModel depends on cr:event_target
 - add prefix comments to all test cases
   - test cases should describe their intent
 - fix Closure compile errors

Bug: 910991
Change-Id: I8ba2ad3e917473b83011871d94cf17b80ad64d31
Reviewed-on: https://chromium-review.googlesource.com/c/1356731
Commit-Queue: Noel Gordon <noel@chromium.org>
Reviewed-by: Sam McNally <sammc@chromium.org>
Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Cr-Commit-Position: refs/heads/master@{#613016}