Rename childrenAffectedBy methods and constants.

Rename childrenAffectedBy methods and constants.

For :hover, :active, :focus, and :drag, childrenAffectedBy really means
that descendants, or siblings, or elements in the siblings' subtrees may be
affected. Methods and constants are renamed to reflect that.

R=esprehn@chromium.org

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=175232

[rune, 2014-06-01 17:34:41]

The names are pretty long. Any shorter names which encompass the whole truth?

[esprehn, 2014-06-01 19:37:30]

Just use childrenOrSiblingsAffectedByFoo.

I don't think we need all that verbosity.

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[rune, 2014-06-01 20:14:00]

On 2014/06/01 19:37:30, esprehn wrote:
> Just use childrenOrSiblingsAffectedByFoo.
> 
> I don't think we need all that verbosity.

Done.

[esprehn, 2014-06-01 22:12:52]

lgtm

[rune, 2014-06-01 22:17:46]

The CQ bit was checked by rune@opera.com

[commit-bot: I haz the power, 2014-06-01 22:17:52]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rune@opera.com/308683007/20001

[commit-bot: I haz the power, 2014-06-01 23:07:24]

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

[commit-bot: I haz the power, 2014-06-02 00:17:44]

Change committed as 175232