Change histogram.h includes to histogram_macros.h in components/

Change histogram.h includes to histogram_macros.h in components/

BUG=416479
Committed: https://crrev.com/a0f05db0971c18d51c646f457f72587323a88fef
Cr-Commit-Position: refs/heads/master@{#334703}

[Alexei Svitkine (slow), 2015-06-15 21:34:48]

asvitkine@chromium.org changed reviewers:
+ caitkp@chromium.org, isherman@chromium.org

[Alexei Svitkine (slow), 2015-06-15 21:34:49]

isherman: review
caitkp: components/ OWNERS review

[Ilya Sherman, 2015-06-15 21:39:50]

LGTM % one thing:

https://codereview.chromium.org/1178683009/diff/1/components/history/core/bro...
File components/history/core/browser/top_sites_impl_unittest.cc (right):

https://codereview.chromium.org/1178683009/diff/1/components/history/core/bro...
components/history/core/browser/top_sites_impl_unittest.cc:11: #include
"base/metrics/histogram_macros.h"
Where is this used?

[Alexei Svitkine (slow), 2015-06-16 15:18:36]

Cait, PTAL?

https://codereview.chromium.org/1178683009/diff/1/components/history/core/bro...
File components/history/core/browser/top_sites_impl_unittest.cc (right):

https://codereview.chromium.org/1178683009/diff/1/components/history/core/bro...
components/history/core/browser/top_sites_impl_unittest.cc:11: #include
"base/metrics/histogram_macros.h"
On 2015/06/15 21:39:50, Ilya Sherman wrote:
> Where is this used?

Apparently nowhere. Removed.

[Cait (Slow), 2015-06-16 17:48:44]

lgtm

[Alexei Svitkine (slow), 2015-06-16 17:51:03]

The CQ bit was checked by asvitkine@chromium.org

[Alexei Svitkine (slow), 2015-06-16 17:51:04]

The patchset sent to the CQ was uploaded after l-g-t-m from
isherman@chromium.org
Link to the patchset: https://codereview.chromium.org/1178683009/#ps20001
(title: " ")

[commit-bot: I haz the power, 2015-06-16 17:52:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1178683009/20001

[commit-bot: I haz the power, 2015-06-16 20:37:39]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-16 20:37:41]

Try jobs failed on following builders:
  win_chromium_rel_ng on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[Alexei Svitkine (slow), 2015-06-16 20:40:43]

The CQ bit was checked by asvitkine@chromium.org

[commit-bot: I haz the power, 2015-06-16 20:43:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1178683009/20001

[commit-bot: I haz the power, 2015-06-16 21:45:56]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-06-16 21:46:45]

Patchset 2 (id:??) landed as
https://crrev.com/a0f05db0971c18d51c646f457f72587323a88fef
Cr-Commit-Position: refs/heads/master@{#334703}