Remove excessive include of ActiveAnimations.h

Remove excessive include of ActiveAnimations.h

CSSAnimations.h, having being changed 23 times in the last 90 days,
had prior to this patch roughly 507 targets depending on it. After
this patch, the number has shrunk to 17.

This patch removes unnecessary ActiveAnimation.h includes, from which
CSSAnimations.h is included.

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=176748

[davve, 2014-06-19 15:08:45]

PTAL

[rune, 2014-06-19 21:00:51]

lgtm

[davve, 2014-06-19 21:08:18]

The CQ bit was checked by davve@opera.com

[commit-bot: I haz the power, 2014-06-19 21:09:05]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/davve@opera.com/336163003/20001

[commit-bot: I haz the power, 2014-06-19 21:51:35]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  win_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/win_gpu_triggered...)

[commit-bot: I haz the power, 2014-06-19 22:32:16]

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

[commit-bot: I haz the power, 2014-06-19 22:32:18]

Try jobs failed on following builders:
  win_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/win_gpu_triggered...)

[davve, 2014-06-23 08:19:08]

The CQ bit was checked by davve@opera.com

[commit-bot: I haz the power, 2014-06-23 08:19:42]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/davve@opera.com/336163003/20001

[commit-bot: I haz the power, 2014-06-23 10:12:45]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  win_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/win_gpu_triggered...)

[commit-bot: I haz the power, 2014-06-23 10:54:21]

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

[commit-bot: I haz the power, 2014-06-23 10:54:22]

Try jobs failed on following builders:
  win_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/win_gpu_triggered...)

[davve, 2014-06-23 11:58:56]

The CQ bit was checked by davve@opera.com

[commit-bot: I haz the power, 2014-06-23 11:59:18]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/davve@opera.com/336163003/40001

[commit-bot: I haz the power, 2014-06-23 13:00:47]

Change committed as 176748