[MD settings] adjust button layout

[MD settings] adjust button layout

This CL gives proper spacing of paper-buttons in settings boxes. There are several cases to consider: a button at the start of a row; a button at the end of the row; multiple buttons in a row; buttons before or after a separator.

BUG=725172, 726262, 724944
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2902363002
Cr-Original-Commit-Position: refs/heads/master@{#476067}
Review-Url: https://codereview.chromium.org/2931723002 .
Cr-Commit-Position: refs/branch-heads/3112@{#235}
Cr-Branched-From: b6460e24cf59f429d69de255538d0fc7a425ccf9-refs/heads/master@{#474897}
Committed: https://chromium.googlesource.com/chromium/src/+/c366c9166c518e396d66db4edf2a7f0dba12e7f0

[dschuyler, 2017-06-07 21:03:41]

Description was changed from

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[MD settings] adjust button layout

This CL gives proper spacing of paper-buttons in settings boxes. There are
several cases to consider: a button at the start of a row; a button at the end
of the row; multiple buttons in a row; buttons before or after a separator.

BUG=725172, 726262, 724944
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2902363002
Cr-Commit-Position: refs/heads/master@{#476067}
(cherry picked from commit e959cddaeca101036a8edf445a5d57c629632afc)
==========

to

==========
[MD settings] adjust button layout

This CL gives proper spacing of paper-buttons in settings boxes. There are
several cases to consider: a button at the start of a row; a button at the end
of the row; multiple buttons in a row; buttons before or after a separator.

BUG=725172, 726262, 724944
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2902363002
Cr-Original-Commit-Position: refs/heads/master@{#476067}
Review-Url: https://codereview.chromium.org/2931723002 .
Cr-Commit-Position: refs/branch-heads/3112@{#235}
Cr-Branched-From:
b6460e24cf59f429d69de255538d0fc7a425ccf9-refs/heads/master@{#474897}
Committed:
https://chromium.googlesource.com/chromium/src/+/c366c9166c518e396d66db4edf2a...
==========