Land the new ICU abstraction layer.  Patch by Lars.

        Reviewed by me

        * JavaScriptCore.xcodeproj/project.pbxproj:
        * wtf/Platform.h:
        * wtf/unicode/UnicodeCategory.h: Removed.
        * wtf/unicode/UnicodeDecomposition.h: Removed.
        * wtf/unicode/UnicodeDirection.h: Removed.
        * wtf/unicode/icu/UnicodeIcu.h:
        (WTF::Unicode::):
        (WTF::Unicode::foldCase):
        (WTF::Unicode::toLower):
        (WTF::Unicode::toUpper):
        (WTF::Unicode::toTitleCase):
        (WTF::Unicode::isDigit):
        (WTF::Unicode::isSpace):
        (WTF::Unicode::isPunct):
        (WTF::Unicode::mirroredChar):
        (WTF::Unicode::category):
        (WTF::Unicode::direction):
        (WTF::Unicode::isLower):
        (WTF::Unicode::isUpper):
        (WTF::Unicode::digitValue):
        (WTF::Unicode::combiningClass):
        (WTF::Unicode::decompositionType):
        (WTF::Unicode::strcasecmp):
        (WTF::Unicode::memset):
        * wtf/unicode/qt4/UnicodeQt4.cpp: Removed.
        * wtf/unicode/qt4/UnicodeQt4.h:
        (WTF::Unicode::):
        (WTF::Unicode::toLower):
        (WTF::Unicode::toUpper):
        (WTF::Unicode::toTitleCase):
        (WTF::Unicode::foldCase):
        (WTF::Unicode::isPrintableChar):
        (WTF::Unicode::isLower):
        (WTF::Unicode::isUpper):
        (WTF::Unicode::digitValue):
        (WTF::Unicode::combiningClass):
        (WTF::Unicode::decompositionType):
        (WTF::Unicode::strcasecmp):
        (WTF::Unicode::memset):
        (WTF::Unicode::direction):
        (WTF::Unicode::category):

WebCore:

        Land the new ICU abstraction layer (WTF::Unicode).  Patch
        by Lars with a couple of fixes thrown in by me.

        Reviewed by hyatt

        * ForwardingHeaders/wtf/icu/UnicodeIcu.h: Added.
        * ForwardingHeaders/wtf/unicode/Unicode.h: Added.
        * WebCore.xcodeproj/project.pbxproj:
        * css/cssparser.cpp:
        (WebCore::ParseString::lower):
        * dom/Document.cpp:
        (WebCore::isValidNameStart):
        (WebCore::isValidNamePart):
        * editing/TextIterator.cpp:
        (WebCore::CircularSearchBuffer::append):
        * html/HTMLFontElement.cpp:
        (WebCore::parseFontSizeNumber):
        * html/HTMLInputElement.cpp:
        (WebCore::numGraphemeClusters):
        (WebCore::numCharactersInGraphemeClusters):
        * html/HTMLSelectElement.cpp:
        (WebCore::stripLeadingWhiteSpace):
        * page/Frame.h:
        * platform/DeprecatedString.h:
        (WebCore::DeprecatedChar::isSpace):
        (WebCore::DeprecatedChar::lower):
        (WebCore::DeprecatedChar::upper):
        * platform/Font.cpp:
        (WebCore::WidthIterator::advance):
        (WebCore::WidthIterator::normalizeVoicingMarks):
        * platform/FontCache.h:
        * platform/FontData.h:
        * platform/GlyphMap.cpp:
        * platform/GlyphMap.h:
        * platform/GlyphWidthMap.h:
        * platform/KURL.cpp:
        (WebCore::encodeHostname):
        * platform/StringHash.h:
        (WTF::):
        * platform/StringImpl.cpp:
        (WebCore::isSpace):
        (WebCore::parseLength):
        (WebCore::StringImpl::isLower):
        (WebCore::StringImpl::lower):
        (WebCore::StringImpl::upper):
        (WebCore::StringImpl::secure):
        (WebCore::StringImpl::foldCase):
        (WebCore::StringImpl::capitalize):
        (WebCore::StringImpl::toInt):
        (WebCore::equalIgnoringCase):
        (WebCore::StringImpl::find):
        * platform/StringImpl.h:
        * platform/TextBoundaries.h:
        * platform/TextBreakIterator.h: Added.
        (WebCore::):
        * platform/TextBreakIteratorICU.cpp: Added.
        (WebCore::wordBreakIterator):
        (WebCore::characterBreakIterator):
        (WebCore::textBreakFirst):
        (WebCore::textBreakNext):
        (WebCore::textBreakPreceding):
        (WebCore::textBreakFollowing):
        (WebCore::textBreakCurrent):
        * platform/TextCodec.h:
        * platform/TextCodecLatin1.cpp:
        * platform/TextEncoding.cpp:
        (WebCore::TextEncoding::encode):
        * platform/TextEncoding.h:
        * platform/TextEncodingRegistry.cpp:
        (WebCore::buildTextEncodingNameMap):
        (WebCore::buildTextCodecMap):
        * platform/TextEncodingRegistry.h:
        * platform/UChar.h: Removed.
        * platform/graphics/GraphicsContext.h:
        * platform/qt/GlyphMapQt.cpp:
        * platform/qt/TextBreakIteratorQt.cpp: Added.
        (WebCore::TextBreakIterator::following):
        (WebCore::TextBreakIterator::preceding):
        (WebCore::WordBreakIteratorQt::first):
        (WebCore::WordBreakIteratorQt::next):
        (WebCore::WordBreakIteratorQt::previous):
        (WebCore::CharBreakIteratorQt::first):
        (WebCore::CharBreakIteratorQt::next):
        (WebCore::CharBreakIteratorQt::previous):
        (WebCore::wordBreakIterator):
        (WebCore::characterBreakIterator):
        (WebCore::textBreakFirst):
        (WebCore::textBreakNext):
        (WebCore::textBreakPreceding):
        (WebCore::textBreakFollowing):
        (WebCore::textBreakCurrent):
        * platform/qt/TextCodecQt.cpp: Added.
        (WebCore::getAtomicName):
        (WebCore::TextCodecQt::registerEncodingNames):
        (WebCore::newTextCodecQt):
        (WebCore::TextCodecQt::registerCodecs):
        (WebCore::TextCodecQt::TextCodecQt):
        (WebCore::TextCodecQt::~TextCodecQt):
        (WebCore::TextCodecQt::decode):
        (WebCore::TextCodecQt::encode):
        * platform/qt/TextCodecQt.h: Added.
        * rendering/RenderBlock.cpp:
        (WebCore::RenderBlock::updateFirstLetter):
        * rendering/RenderText.cpp:
        (WebCore::RenderText::previousOffset):
        (WebCore::RenderText::nextOffset):
        (WebCore::RenderText::widthFromCache):
        * rendering/RenderText.h:
        * rendering/bidi.cpp:
        (WebCore::BidiState::BidiState):
        (WebCore::BidiContext::BidiContext):
        (WebCore::bidiNext):
        (WebCore::bidiFirst):
        (WebCore::BidiIterator::direction):
        (WebCore::appendRun):
        (WebCore::embed):
        (WebCore::RenderBlock::computeHorizontalPositionsForLine):
        (WebCore::RenderBlock::bidiReorderLine):
        (WebCore::RenderBlock::layoutInlineChildren):
        * rendering/bidi.h:
        (WebCore::BidiStatus::BidiStatus):
        (WebCore::BidiContext::dir):
        (WebCore::BidiContext::basicDir):
        (WebCore::BidiRun::BidiRun):
        * rendering/break_lines.h:

WebKit:

        Land new ICU abstraction layer.  Patch by Lars.

        Reviewed by me

        * ForwardingHeaders/wtf/icu/UnicodeIcu.h: Added.
        * ForwardingHeaders/wtf/unicode/Unicode.h: Added.
        * WebKit.xcodeproj/project.pbxproj:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@18098 268f45cc-cd09-0410-ab3c-d52691b4dbfc