The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6530e608480f9fae46b7ae5668636cce2d57814b

commit 6530e608480f9fae46b7ae5668636cce2d57814b
Author: mathp <mathp@chromium.org>
Date: Tue Jan 17 19:22:03 2017

[Payments] Use formatter currency code on desktop

Also fix the currency_system mojo definition to be normal_case.

BUG= 680803 ,  679797 
TEST=existing

Review-Url: https://codereview.chromium.org/2637603002
Cr-Commit-Position: refs/heads/master@{#444106}

[modify] https://crrev.com/6530e608480f9fae46b7ae5668636cce2d57814b/chrome/android/java/src/org/chromium/chrome/browser/payments/CurrencyFormatter.java
[modify] https://crrev.com/6530e608480f9fae46b7ae5668636cce2d57814b/chrome/browser/ui/views/payments/order_summary_view_controller.cc
[modify] https://crrev.com/6530e608480f9fae46b7ae5668636cce2d57814b/chrome/browser/ui/views/payments/payment_sheet_view_controller.cc
[modify] https://crrev.com/6530e608480f9fae46b7ae5668636cce2d57814b/components/payments/payment_details_validation.cc
[modify] https://crrev.com/6530e608480f9fae46b7ae5668636cce2d57814b/components/payments/payment_request.mojom
[modify] https://crrev.com/6530e608480f9fae46b7ae5668636cce2d57814b/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp