https://bugs.webkit.org/show_bug.cgi?id=90959

Patch by Bruno de Oliveira Abinader <bruno.abinader@basyskom.com> on 2012-08-09
Reviewed by Kenneth Rohde Christiansen.

This patch implements the "text-decoration-line" property specified in CSS3
working draft, with "-webkit-" prefix. The specification can be found below:
http://dev.w3.org/csswg/css3-text/#text-decoration-line

Additionally, Mozilla implementation details can be found here:
https://developer-dev.allizom.org/en-US/docs/CSS/text-decoration-line

It is important to notice that "-webkit-text-decoration-line" and
"text-decoration" properties shares the same property handlers, however, the
former resets the latter if value from latter doesn't have "important" value
set (same behavior as Firefox). In a rare case where both properties have
"important" value set, the text decoration gets value from the last parsed
property.

Source/WebCore:

Test: fast/css/text-decoration-line.html

* css/CSSComputedStyleDeclaration.cpp:
(WebCore::renderTextDecorationFlagsToCSSValue):
(WebCore::CSSComputedStyleDeclaration::getPropertyCSSValue):
* css/CSSParser.cpp:
(WebCore::CSSParser::parseValue):
(WebCore::CSSParser::addTextDecorationProperty):
(WebCore::CSSParser::parseTextDecoration):
* css/CSSParser.h:
* css/CSSProperty.cpp:
(WebCore::CSSProperty::isInheritedProperty):
* css/CSSPropertyNames.in:
* css/StyleBuilder.cpp:
(WebCore::StyleBuilder::StyleBuilder):
* css/StyleResolver.cpp:
(WebCore::StyleResolver::collectMatchingRulesForList):

LayoutTests:

* fast/css/getComputedStyle/computed-style-expected.txt:
* fast/css/getComputedStyle/computed-style-without-renderer-expected.txt:
* fast/css/getComputedStyle/resources/property-names.js:
* fast/css/text-decoration-line-expected.html: Added.
* fast/css/text-decoration-line.html: Added.
* svg/css/getComputedStyle-basic-expected.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@125205 268f45cc-cd09-0410-ab3c-d52691b4dbfc