Fix for 9538, support syntax highlighted HTML source. Lots of loose

    Fix for 9538, support syntax highlighted HTML source.  Lots of loose
        ends still (script/style/comments/doctype/entities/accurate whitespace).

        Reviewed by darin

        * DerivedSources.make:
        * WebCore.xcodeproj/project.pbxproj:
        * bridge/mac/WebCoreFrameBridge.h:
        * bridge/mac/WebCoreFrameBridge.mm:
        (-[WebCoreFrameBridge setInViewSourceMode:]):
        (-[WebCoreFrameBridge inViewSourceMode]):
        * css/cssstyleselector.cpp:
        (WebCore::CSSStyleSelector::loadDefaultStyle):
        (WebCore::CSSStyleSelector::matchUARules):
        * css/cssstyleselector.h:
        * css/view-source.css: Added.
        * dom/Document.cpp:
        (WebCore::Document::implicitClose):
        * dom/xml_tokenizer.h:
        (WebCore::Tokenizer::Tokenizer):
        (WebCore::Tokenizer::~Tokenizer):
        (WebCore::Tokenizer::inViewSourceMode):
        (WebCore::Tokenizer::setInViewSourceMode):
        * html/HTMLAttributeNames.in:
        * html/HTMLFrameElement.cpp:
        (WebCore::HTMLFrameElement::init):
        (WebCore::HTMLFrameElement::parseMappedAttribute):
        (WebCore::HTMLFrameElement::attach):
        * html/HTMLFrameElement.h:
        (WebCore::HTMLFrameElement::viewSourceMode):
        * html/HTMLTokenizer.cpp:
        (WebCore::HTMLTokenizer::HTMLTokenizer):
        (WebCore::HTMLTokenizer::scriptHandler):
        (WebCore::HTMLTokenizer::scriptExecution):
        (WebCore::HTMLTokenizer::parseTag):
        (WebCore::HTMLTokenizer::continueProcessing):
        (WebCore::HTMLTokenizer::write):
        (WebCore::HTMLTokenizer::timerFired):
        (WebCore::HTMLTokenizer::end):
        (WebCore::HTMLTokenizer::processToken):
        (WebCore::HTMLTokenizer::notifyFinished):
        * html/HTMLTokenizer.h:
        * html/HTMLViewSourceDocument.cpp: Added.
        (WebCore::HTMLViewSourceDocument::HTMLViewSourceDocument):
        (WebCore::HTMLViewSourceDocument::createTokenizer):
        (WebCore::HTMLViewSourceDocument::addViewSourceToken):
        (WebCore::HTMLViewSourceDocument::addViewSourceAttribute):
        (WebCore::HTMLViewSourceDocument::addSpanWithClassName):
        * html/HTMLViewSourceDocument.h: Added.
        * page/Frame.cpp:
        (WebCore::Frame::begin):
        (WebCore::Frame::inViewSourceMode):
        (WebCore::Frame::setInViewSourceMode):
        * page/Frame.h:
        * page/FramePrivate.h:
        (WebCore::FramePrivate::FramePrivate):
        * rendering/RenderPartObject.cpp:
        (WebCore::RenderPartObject::updateWidget):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@15050 268f45cc-cd09-0410-ab3c-d52691b4dbfc