https://bugs.webkit.org/show_bug.cgi?id=52994

Source/WebCore:

- Added boilerplate for "tab-size" CSS property.
- Added RenderStye::tabSize() as a RareInheritedData.
- Replaced TextRun::m_allowTabs into TextRun::m_tabSize.

Reviewed by Simon Fraser.

Tests: fast/css/tab-size-expected.html
       fast/css/tab-size.html

* css/CSSComputedStyleDeclaration.cpp:
(WebCore::CSSComputedStyleDeclaration::getPropertyCSSValue):
* css/CSSParser.cpp:
(WebCore::CSSParser::parseValue):
* css/CSSProperty.cpp:
(WebCore::CSSProperty::isInheritedProperty):
* css/CSSPropertyNames.in:
* css/CSSStyleSelector.cpp:
(WebCore::CSSStyleSelector::applyProperty):
* html/canvas/CanvasRenderingContext2D.cpp:
(WebCore::CanvasRenderingContext2D::drawTextInternal):
* platform/chromium/PopupListBox.cpp:
(WebCore::PopupListBox::paintRow):
* platform/graphics/Font.h:
(WebCore::Font::tabWidth):
* platform/graphics/TextRun.h:
(WebCore::TextRun::TextRun):
(WebCore::TextRun::allowTabs):
(WebCore::TextRun::tabSize):
(WebCore::TextRun::setTabSize):
* platform/graphics/WidthIterator.cpp:
(WebCore::WidthIterator::advance):
* platform/graphics/mac/ComplexTextController.cpp:
(WebCore::ComplexTextController::adjustGlyphsAndAdvances):
* platform/win/PopupMenuWin.cpp:
(WebCore::PopupMenuWin::paint):
* rendering/InlineTextBox.cpp:
(WebCore::InlineTextBox::constructTextRun):
* rendering/RenderBlock.cpp:
(WebCore::RenderBlock::constructTextRun):
* rendering/RenderBlockLineLayout.cpp:
(WebCore::textWidth):
(WebCore::tryHyphenating):
* rendering/RenderText.cpp:
(WebCore::RenderText::widthFromCache):
(WebCore::RenderText::computePreferredLogicalWidths):
(WebCore::RenderText::width):
* rendering/RenderText.h:
* rendering/style/RenderStyle.cpp:
(WebCore::RenderStyle::diff):
* rendering/style/RenderStyle.h:
(WebCore::RenderStyleBitfields::tabSize):
(WebCore::RenderStyleBitfields::collapsedTabSize):
(WebCore::RenderStyleBitfields::setTabSize):
(WebCore::RenderStyleBitfields::initialTabSize):
* rendering/style/StyleRareInheritedData.cpp:
(WebCore::StyleRareInheritedData::StyleRareInheritedData):
(WebCore::StyleRareInheritedData::operator==):
* rendering/style/StyleRareInheritedData.h:
* rendering/svg/SVGInlineTextBox.cpp:
(WebCore::SVGInlineTextBox::constructTextRun):
* rendering/svg/SVGTextMetrics.cpp:
(WebCore::constructTextRun):

Source/WebKit/chromium:

Reviewed by Simon Fraser.

* src/WebTextRun.cpp:
(WebKit::WebTextRun::operator WebCore::TextRun):

LayoutTests:

Reviewed by Simon Fraser.

* fast/css/tab-size-expected.html: Added.
* fast/css/tab-size.html: Added.
* platform/chromium-linux/svg/css/getComputedStyle-basic-expected.txt:
* platform/chromium-win/fast/css/getComputedStyle/computed-style-expected.txt:
* platform/chromium-win/fast/css/getComputedStyle/computed-style-without-renderer-expected.txt:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@116723 268f45cc-cd09-0410-ab3c-d52691b4dbfc