GitLab

This CL contains :
1- Hide video duration text if the duration is 0:00 (e.g. summary card)
2- Change close button style to match spec in night mode
3- Disable Try Now for download tutorial
4- Added some text for metrics
5- Some more tests in VideoPlayerViewBinder

Change-Id: Ic435739b7f7d4c5052549aa68352fa66c03bcbf2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2508999Reviewed-by: Min Qin <qinmin@chromium.org>
Commit-Queue: Shakti Sahu <shaktisahu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#822874}