Merge to m57: Use aria range values for sliders

Merge to m57: Use aria range values for sliders

 - adjust output for this role
 - omit descriptions that duplicate names

BUG=609549
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
TBR=dtseng@chromium.org

Review-Url: https://codereview.chromium.org/2507063007
Cr-Commit-Position: refs/heads/master@{#445498}
(cherry picked from commit cd764c0ecb3b077df566c3795bf757a3dede4659)

Review-Url: https://codereview.chromium.org/2649863004 .
Cr-Commit-Position: refs/branch-heads/2987@{#45}
Cr-Branched-From: ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed: https://chromium.googlesource.com/chromium/src/+/6f14231c20706db3dca39a9aba4c8681a89f87fa

[David Tseng, 2017-01-23 23:36:40]

Description was changed from

==========
Merge to m57: Use aria range values for sliders

 - adjust output for this role
 - omit descriptions that duplicate names

BUG=609549
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2507063007
Cr-Commit-Position: refs/heads/master@{#445498}
(cherry picked from commit cd764c0ecb3b077df566c3795bf757a3dede4659)
==========

to

==========
Merge to m57: Use aria range values for sliders

 - adjust output for this role
 - omit descriptions that duplicate names

BUG=609549
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
TBR=dtseng@chromium.org

Review-Url: https://codereview.chromium.org/2507063007
Cr-Commit-Position: refs/heads/master@{#445498}
(cherry picked from commit cd764c0ecb3b077df566c3795bf757a3dede4659)
==========

[David Tseng, 2017-01-23 23:37:05]

Description was changed from

==========
Merge to m57: Use aria range values for sliders

 - adjust output for this role
 - omit descriptions that duplicate names

BUG=609549
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
TBR=dtseng@chromium.org

Review-Url: https://codereview.chromium.org/2507063007
Cr-Commit-Position: refs/heads/master@{#445498}
(cherry picked from commit cd764c0ecb3b077df566c3795bf757a3dede4659)
==========

to

==========
Merge to m57: Use aria range values for sliders

 - adjust output for this role
 - omit descriptions that duplicate names

BUG=609549
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
TBR=dtseng@chromium.org

Review-Url: https://codereview.chromium.org/2507063007
Cr-Commit-Position: refs/heads/master@{#445498}
(cherry picked from commit cd764c0ecb3b077df566c3795bf757a3dede4659)

Review-Url: https://codereview.chromium.org/2649863004 .
Cr-Commit-Position: refs/branch-heads/2987@{#45}
Cr-Branched-From:
ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed:
https://chromium.googlesource.com/chromium/src/+/6f14231c20706db3dca39a9aba4c...
==========

[David Tseng, 2017-01-23 23:37:07]

Committed patchset #1 (id:1) manually as
6f14231c20706db3dca39a9aba4c8681a89f87fa (presubmit successful).