GitLab

Introduces functionality to the HatsNextWebDialog to support resizing
of the dialog based on the size of the survey within the web contents.

Size information is passed from the HaTS Next JS library through to
native code by pushing URL fragments.

Bug: 1110888
Change-Id: I70d7268cbc10c2da9e34d7dec338180a975f059f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2274603
Commit-Queue: Theodore Olsauskas-Warren <sauski@google.com>
Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Cr-Commit-Position: refs/heads/master@{#797253}