Move border-image-source / -webkit-mask-box-image-source to the new StyleBuilder
https://bugs.webkit.org/show_bug.cgi?id=138209

Reviewed by Andreas Kling.

Move border-image-source / -webkit-mask-box-image-source CSS properties
from DeprecatedStyleBuilder to the new StyleBuilder so that they are
now generated from CSSPropertyNames.in.

No new tests, no behavior change.

* css/CSSPropertyNames.in:
* css/DeprecatedStyleBuilder.cpp:
(WebCore::DeprecatedStyleBuilder::DeprecatedStyleBuilder):
(WebCore::ApplyPropertyBorderImageSource::applyValue): Deleted.
(WebCore::ApplyPropertyBorderImageSource::createHandler): Deleted.
* css/StyleBuilderConverter.h:
(WebCore::StyleBuilderConverter::convertBorderImageSource):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@175405 268f45cc-cd09-0410-ab3c-d52691b4dbfc