Add additive animation support for CSS property translate

Add additive animation support for CSS property translate

This patch adds support for composite modes on translate CSS animations
via element.animate().

BUG=437696
Committed: https://crrev.com/8a3777d77af8e154f4eb03bfa87a8c73b58fa880
Cr-Commit-Position: refs/heads/master@{#377830}

[alancutter (OOO until 2018), 2016-01-28 04:03:45]

alancutter@chromium.org changed reviewers:
+ dstockwell@chromium.org, leviw@chromium.org

[alancutter (OOO until 2018), 2016-01-28 04:03:45]

+leviw for trivial change to Length.h.

[leviw_travelin_and_unemployed, 2016-01-29 00:07:06]

Length change lgtm.

[alancutter (OOO until 2018), 2016-02-17 05:57:12]

alancutter@chromium.org changed reviewers:
+ ericwilligers@chromium.org

[alancutter (OOO until 2018), 2016-02-17 05:57:13]

+ericwilligers for core/animation changes.

[Eric Willigers, 2016-02-17 07:15:50]

https://codereview.chromium.org/1644883002/diff/1/third_party/WebKit/LayoutTe...
File
third_party/WebKit/LayoutTests/animations/responsive/translate-responsive.html
(right):

https://codereview.chromium.org/1644883002/diff/1/third_party/WebKit/LayoutTe...
third_party/WebKit/LayoutTests/animations/responsive/translate-responsive.html:20:
}, {
Perhaps add a test with inherited: '200px 100px'

https://codereview.chromium.org/1644883002/diff/1/third_party/WebKit/Source/c...
File third_party/WebKit/Source/core/animation/CSSTranslateInterpolationType.cpp
(right):

https://codereview.chromium.org/1644883002/diff/1/third_party/WebKit/Source/c...
third_party/WebKit/Source/core/animation/CSSTranslateInterpolationType.cpp:84: {
Do we need
if (!state.parentStyle()) return nullptr;

[alancutter (OOO until 2018), 2016-02-17 23:50:22]

alancutter@chromium.org changed reviewers:
- dstockwell@chromium.org

[alancutter (OOO until 2018), 2016-02-17 23:50:22]

https://codereview.chromium.org/1644883002/diff/1/third_party/WebKit/LayoutTe...
File
third_party/WebKit/LayoutTests/animations/responsive/translate-responsive.html
(right):

https://codereview.chromium.org/1644883002/diff/1/third_party/WebKit/LayoutTe...
third_party/WebKit/LayoutTests/animations/responsive/translate-responsive.html:20:
}, {
On 2016/02/17 at 07:15:50, Eric Willigers wrote:
> Perhaps add a test with inherited: '200px 100px'

Done.

https://codereview.chromium.org/1644883002/diff/1/third_party/WebKit/Source/c...
File third_party/WebKit/Source/core/animation/CSSTranslateInterpolationType.cpp
(right):

https://codereview.chromium.org/1644883002/diff/1/third_party/WebKit/Source/c...
third_party/WebKit/Source/core/animation/CSSTranslateInterpolationType.cpp:84: {
On 2016/02/17 at 07:15:50, Eric Willigers wrote:
> Do we need
> if (!state.parentStyle()) return nullptr;

This check is no longer needed, I will make a clean up patch to remove existing
instances of them.

[Eric Willigers, 2016-02-18 00:50:35]

lgtm

[alancutter (OOO until 2018), 2016-02-18 03:56:27]

alancutter@chromium.org changed reviewers:
+ dstockwell@chromium.org

[alancutter (OOO until 2018), 2016-02-18 03:56:28]

+dstockwell for core.gypi changes.

[dstockwell, 2016-02-18 07:25:37]

lgtm

[alancutter (OOO until 2018), 2016-02-25 03:28:54]

The CQ bit was checked by alancutter@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-02-25 03:29:44]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1644883002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1644883002/40001

[commit-bot: I haz the power, 2016-02-25 06:57:24]

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

[commit-bot: I haz the power, 2016-02-25 06:57:25]

Dry run: 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_...)

[alancutter (OOO until 2018), 2016-02-26 02:16:43]

The CQ bit was checked by alancutter@chromium.org

[alancutter (OOO until 2018), 2016-02-26 02:16:44]

The patchset sent to the CQ was uploaded after l-g-t-m from leviw@chromium.org,
dstockwell@chromium.org, ericwilligers@chromium.org
Link to the patchset: https://codereview.chromium.org/1644883002/#ps40001
(title: "Rebased")

[commit-bot: I haz the power, 2016-02-26 02:17:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1644883002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1644883002/40001

[commit-bot: I haz the power, 2016-02-26 06:20:23]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-02-26 06:21:39]

Description was changed from

==========
Add additive animation support for CSS property translate

This patch adds support for composite modes on translate CSS animations
via element.animate().

BUG=437696
==========

to

==========
Add additive animation support for CSS property translate

This patch adds support for composite modes on translate CSS animations
via element.animate().

BUG=437696

Committed: https://crrev.com/8a3777d77af8e154f4eb03bfa87a8c73b58fa880
Cr-Commit-Position: refs/heads/master@{#377830}
==========

[commit-bot: I haz the power, 2016-02-26 06:21:41]

Patchset 3 (id:??) landed as
https://crrev.com/8a3777d77af8e154f4eb03bfa87a8c73b58fa880
Cr-Commit-Position: refs/heads/master@{#377830}