The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/4068a08b8b171d4c2f80070b022043ab0fc6d832

commit 4068a08b8b171d4c2f80070b022043ab0fc6d832
Author: Yuwei Huang <yuweih@chromium.org>
Date: Tue Oct 03 18:33:42 2017

[CRD iOS] Enlarge touch area to toggle the pairing switch

This CL makes a parent view for pairingSwitch and pairingLabel to handle
the tap gesture, so that we can enlarge the toggle area to a rectangle
that covers both the switch and the label with a 5pt margin on all four
edges.

Bug:  770906 
Change-Id: Icb1314aebefbbdbb41b14691cf8f392e403c5b37
Reviewed-on: https://chromium-review.googlesource.com/696298
Reviewed-by: Scott Nichols <nicholss@chromium.org>
Commit-Queue: Yuwei Huang <yuweih@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506111}
[modify] https://crrev.com/4068a08b8b171d4c2f80070b022043ab0fc6d832/remoting/ios/app/pin_entry_view.mm

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ae4f493da1cc80cf4a6a7c2a2c3247e66c64225e

commit ae4f493da1cc80cf4a6a7c2a2c3247e66c64225e
Author: Yuwei Huang <yuweih@chromium.org>
Date: Wed Oct 04 22:08:52 2017

[CRD iOS] Fix the margin of the remember PIN view

The anchor is the height anchor so the constant should be 2x the margin.

Bug:  770906 
Change-Id: Ia82073246d8224791478781efc4e73e9f69f43f0
Reviewed-on: https://chromium-review.googlesource.com/701399
Reviewed-by: Scott Nichols <nicholss@chromium.org>
Commit-Queue: Yuwei Huang <yuweih@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506535}
[modify] https://crrev.com/ae4f493da1cc80cf4a6a7c2a2c3247e66c64225e/remoting/ios/app/pin_entry_view.mm

Verified Fixed in 34.0.3261.0