Fix metric for new CBD dialog

Fix metric for new CBD dialog

A bug is fixed where "ClearBrowsingData_DialogCreated" was recorded
twice because the new CBD dialog creates two instances of
ClearBrowsingDataPreferences.

(cherry picked from http://crrev.com/2927063002 with everything but
 this bugfix reverted)

BUG=731120
TBR=twellington@chromium.org

Review-Url: https://codereview.chromium.org/2927063002
Cr-Original-Commit-Position: refs/heads/master@{#478602}
Review-Url: https://codereview.chromium.org/2940823002 .
Cr-Commit-Position: refs/branch-heads/3112@{#341}
Cr-Branched-From: b6460e24cf59f429d69de255538d0fc7a425ccf9-refs/heads/master@{#474897}
Committed: https://chromium.googlesource.com/chromium/src/+/69601320533e89949caa6cb3a05b63ff4804da59

[dullweber, 2017-06-14 08:17:48]

Description was changed from

==========
Add metrics for new CBD dialog

Add metrics for the new Clear Browsing Data dialog on Android.
A histogram and actions are used to record which tab was used for a
deletion.
Time period changes are recorded as actions.
A bug is fixed where "ClearBrowsingData_DialogCreated" was recorded
twice because the new dialog creates two instances of
ClearBrowsingDataPreferences.

BUG=731120

Review-Url: https://codereview.chromium.org/2927063002
Cr-Commit-Position: refs/heads/master@{#478602}
==========

to

==========
Fix metric for new CBD dialog

A bug is fixed where "ClearBrowsingData_DialogCreated" was recorded
twice because the new CBD dialog creates two instances of
ClearBrowsingDataPreferences.

(cherry picked from http://crrev.com/2927063002 with everything but 
 this bugfix reverted)

BUG=731120

Review-Url: https://codereview.chromium.org/2927063002
Cr-Commit-Position: refs/heads/master@{#478602}
==========

[dullweber, 2017-06-14 08:22:09]

Description was changed from

==========
Fix metric for new CBD dialog

A bug is fixed where "ClearBrowsingData_DialogCreated" was recorded
twice because the new CBD dialog creates two instances of
ClearBrowsingDataPreferences.

(cherry picked from http://crrev.com/2927063002 with everything but 
 this bugfix reverted)

BUG=731120

Review-Url: https://codereview.chromium.org/2927063002
Cr-Commit-Position: refs/heads/master@{#478602}
==========

to

==========
Fix metric for new CBD dialog

A bug is fixed where "ClearBrowsingData_DialogCreated" was recorded
twice because the new CBD dialog creates two instances of
ClearBrowsingDataPreferences.

(cherry picked from http://crrev.com/2927063002 with everything but 
 this bugfix reverted)

BUG=731120
TBR=twellington@chromium.org

Review-Url: https://codereview.chromium.org/2927063002
Cr-Commit-Position: refs/heads/master@{#478602}
==========

[dullweber, 2017-06-14 08:22:09]

dullweber@chromium.org changed reviewers:
+ twellington@chromium.org

[dullweber, 2017-06-14 08:24:39]

Description was changed from

==========
Fix metric for new CBD dialog

A bug is fixed where "ClearBrowsingData_DialogCreated" was recorded
twice because the new CBD dialog creates two instances of
ClearBrowsingDataPreferences.

(cherry picked from http://crrev.com/2927063002 with everything but 
 this bugfix reverted)

BUG=731120
TBR=twellington@chromium.org

Review-Url: https://codereview.chromium.org/2927063002
Cr-Commit-Position: refs/heads/master@{#478602}
==========

to

==========
Fix metric for new CBD dialog

A bug is fixed where "ClearBrowsingData_DialogCreated" was recorded
twice because the new CBD dialog creates two instances of
ClearBrowsingDataPreferences.

(cherry picked from http://crrev.com/2927063002 with everything but
 this bugfix reverted)

BUG=731120
TBR=twellington@chromium.org

Review-Url: https://codereview.chromium.org/2927063002
Cr-Original-Commit-Position: refs/heads/master@{#478602}
Review-Url: https://codereview.chromium.org/2940823002 .
Cr-Commit-Position: refs/branch-heads/3112@{#341}
Cr-Branched-From:
b6460e24cf59f429d69de255538d0fc7a425ccf9-refs/heads/master@{#474897}
Committed:
https://chromium.googlesource.com/chromium/src/+/69601320533e89949caa6cb3a05b...
==========

[dullweber, 2017-06-14 08:24:40]

Committed patchset #2 (id:20001) manually as
69601320533e89949caa6cb3a05b63ff4804da59 (presubmit successful).