The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/695799a2220abd7a20ad75e4d6d5024a73c56834

commit 695799a2220abd7a20ad75e4d6d5024a73c56834
Author: sebsg <sebsg@chromium.org>
Date: Tue Apr 11 16:29:06 2017

[Payments] Move PaymentResponse logic to PaymentResponseHelper.

BUG= 709807 

Review-Url: https://codereview.chromium.org/2808633002
Cr-Commit-Position: refs/heads/master@{#463652}

[modify] https://crrev.com/695799a2220abd7a20ad75e4d6d5024a73c56834/components/payments/content/BUILD.gn
[modify] https://crrev.com/695799a2220abd7a20ad75e4d6d5024a73c56834/components/payments/content/payment_request_state.cc
[modify] https://crrev.com/695799a2220abd7a20ad75e4d6d5024a73c56834/components/payments/content/payment_request_state.h
[modify] https://crrev.com/695799a2220abd7a20ad75e4d6d5024a73c56834/components/payments/content/payment_request_state_unittest.cc
[modify] https://crrev.com/695799a2220abd7a20ad75e4d6d5024a73c56834/components/payments/content/payment_response_helper.cc
[modify] https://crrev.com/695799a2220abd7a20ad75e4d6d5024a73c56834/components/payments/content/payment_response_helper.h
[add] https://crrev.com/695799a2220abd7a20ad75e4d6d5024a73c56834/components/payments/content/payment_response_helper_unittest.cc