i resolved this isssue.
refer to https://codereview.chromium.org/2244583002/

please review this CL.

when apply CL, label location was changed like expected.

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Thank you for the patch! Let's check with UX (hwi@).

hwi@: What is the desired behavior?

Thanks for reporting and CL! 

We're fixing this issue by separating each entry in separate lines in the bottom sheet view.

+dfalcantara@ fyi

hwi@, does the screenshot at https://bugs.chromium.org/p/chromium/issues/attachment?aid=246774&inline=1 show the desired solution?

No. Attaching the screenshot with the desired fix. Thanks!

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hs1217.lee@, if you're interested in working on this, please follow the mock in https://bugs.chromium.org/p/chromium/issues/attachment?aid=246903&inline=1.

Let me know for any questions! Thanks=)

Yeah, this requires more than just a simple two-line variable switch and has been on my radar.  I'll take this on myself after downloads is more settled.

Issue 640815 has been merged into this issue.

I am looking this bug, just want to clarify my understanding of the expected result: shipping name in a single line on top, shipping address and post code in a single line, the shipping address can be elided at the end, contact phone number in a single line (what if no phone number, use email? otherwise hide?), shipping method summary in a single line. Am I correct?

Thanks for working on this gogerald@. 

1. Name in a single line on top: correct
2. Address and post code in a single line: correct
3. Address can be elided at the end: hoping to elide in the middle right before postal code. I guess it could be challenging since postal code lengths are different.
4. What if no phone number, use email? otherwise hide?: yes hide the entire row so the row doesn't take up the space. There's only phone number, no email for shipping. 
5. Shipping method summary in a single line: correct

Okay, here is the screenshot of the updated UI, the address is elided in the middle (before the post code in this case). 

Yes, it might be challenging to elide at the end of address but before the post code, and we might have to provide post code separately. Would like to leave it for now. 

hwi@ what do you think?

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#16 - LGTM. Thanks! 

========
Question: I was about to ask for other refinements on Payment and Contact rows on the same bottom sheet (see the screenshot). They're related since it's an attempt to reduce the total height by compensating the increased height from the original fix. 

Should I file a separate bug? 

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I think it's better to file a separate bug since 'Payment', 'Contact info' and 'Shipping' are in separate rows (separate in code).

Thanks! Filed:  crbug.com/655823     crbug.com/655822 

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a76b2e1b6fa1fb27f67d7485bd27f08928e4b65f

commit a76b2e1b6fa1fb27f67d7485bd27f08928e4b65f
Author: gogerald <gogerald@chromium.org>
Date: Fri Oct 14 22:23:11 2016

Make shipping name, address, phone and option each on its own line in the shipping summary

BUG= 637488 

Review-Url: https://codereview.chromium.org/2421433004
Cr-Commit-Position: refs/heads/master@{#425493}

[modify] https://crrev.com/a76b2e1b6fa1fb27f67d7485bd27f08928e4b65f/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentInformation.java
[modify] https://crrev.com/a76b2e1b6fa1fb27f67d7485bd27f08928e4b65f/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestSection.java
[modify] https://crrev.com/a76b2e1b6fa1fb27f67d7485bd27f08928e4b65f/chrome/android/java/src/org/chromium/chrome/browser/payments/ui/PaymentRequestUI.java

This issue is fixed in current M56 build 56.0.2895.3. UI appears as the screenshot in the comment 16.