Add rotateRadians function to AffineTransform

Add rotateRadians function to AffineTransform

Currently, rotate function takes an argument in only degrees.
In many cases, rotate function is often required radian value instead of degree value.
If we add new rotateRadians function, we will be able to reduce unnecessary operations.

 Before : rad -> rad2deg -> deg2rad -> calc sinNcos
 After  : rad                       -> calc sinNcos

As a result, we can reduce two multiplication and two division.

Similar case: https://bugs.webkit.org/show_bug.cgi?id=87317
Applications: https://codereview.chromium.org/173593002/

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=167603

[Justin Novosad, 2014-02-20 19:31:18]

On 2014/02/20 11:38:14, zino wrote:

lgtm

[zino, 2014-02-21 08:30:50]

The CQ bit was checked by jinho.bang@samsung.com

[commit-bot: I haz the power, 2014-02-21 08:31:05]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jinho.bang@samsung.com/166273019/1

[commit-bot: I haz the power, 2014-02-21 10:31:05]

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

[commit-bot: I haz the power, 2014-02-21 10:31:05]

Retried try job too often on mac_blink_rel for step(s) webkit_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_blink_...

[zino, 2014-02-21 13:22:23]

The CQ bit was checked by jinho.bang@samsung.com

[commit-bot: I haz the power, 2014-02-21 13:22:39]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jinho.bang@samsung.com/166273019/1

[commit-bot: I haz the power, 2014-02-21 16:18:22]

Change committed as 167603