GitLab

Context:
PaymentRequestEvent.openWindow() fails with a cross-origin error
caused by some unknown factors.

Change:
* Reverted the reverting CL: crrev.com/c/2220705

Bug: 1075481

Change-Id: I2a3452f58d5686e0dcfcd1ba0e30229e69bfe280
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2459389Reviewed-by: Sahel Sharify <sahel@chromium.org>
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Commit-Queue: Liquan (Max) Gu <maxlg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818151}