GitLab

We may reuse WebAppDataRetriever for new PendingAppManager
implementation.

Some subset of WebAppInstallManager will be used instead
of BookmarkAppHelper
(with a last step implemented in a specific for extensions way)

Bug: 901226
Change-Id: I8b803b3c618309efd9452d1ca4f03a476e70575a
Reviewed-on: https://chromium-review.googlesource.com/c/1335074Reviewed-by: Dominick Ng <dominickn@chromium.org>
Reviewed-by: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Commit-Queue: Alexey Baskakov <loyso@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608665}