Reviewed by Ken.

    Reviewed by Ken.

        Use separate mutable style and computed style types as appropriate.
        For now this should have no effect, but it prepares us for refactoring later.
        Also remove some unnecessary "DOM::" prefixes and in one case factor out
        some shared code.

        * khtml/khtml_part.cpp:
        (KHTMLPart::typingStyle):
        (KHTMLPart::setTypingStyle):
        (updateState):
        (KHTMLPart::selectionHasStyle):
        (KHTMLPart::selectionStartHasStyle):
        (KHTMLPart::selectionComputedStyle):
        * khtml/khtml_part.h:
        * khtml/khtmlpart_p.h:

        * khtml/css/css_base.h:
        * khtml/css/css_ruleimpl.cpp:
        (CSSStyleRuleImpl::setDeclaration):
        * khtml/css/css_ruleimpl.h:
        (DOM::CSSFontFaceRuleImpl::style):
        (DOM::CSSPageRuleImpl::style):
        (DOM::CSSStyleRuleImpl::style):
        (DOM::CSSStyleRuleImpl::declaration):
        * khtml/css/css_valueimpl.h:
        (DOM::CSSPrimitiveValueImpl::):
        * khtml/css/cssparser.cpp:
        (CSSParser::parseValue):
        (CSSParser::parseColor):
        (CSSParser::parseDeclaration):
        (CSSParser::createStyleDeclaration):
        * khtml/css/cssparser.h:
        * khtml/css/cssstyleselector.cpp:
        (khtml::CSSStyleSelector::addMatchedDeclaration):
        (khtml::CSSStyleSelector::matchRulesForList):
        (khtml::CSSStyleSelector::styleForElement):
        (khtml::CSSStyleSelector::applyDeclarations):
        * khtml/css/cssstyleselector.h:
        * khtml/css/parser.cpp:
        * khtml/css/parser.y:
        * khtml/dom/css_rule.h:
        * khtml/dom/css_stylesheet.h:
        * khtml/dom/css_value.h:
        * khtml/dom/dom2_views.cpp:
        * khtml/xml/dom2_viewsimpl.cpp:
        (DOM::AbstractViewImpl::getComputedStyle):
        * khtml/xml/dom_docimpl.cpp:
        (DocumentImpl::importNode):
        (DocumentImpl::setStyleSheet):
        * khtml/xml/dom_docimpl.h:
        * khtml/xml/dom_xmlimpl.cpp:
        (DOM::ProcessingInstructionImpl::setStyleSheet):
        * khtml/xml/dom_xmlimpl.h:

        * khtml/dom/css_value.cpp:
        (DOM::throwException): Added.
        (DOM::CSSStyleDeclaration::setCssText): Call throwException, but always on 0 for now.
        The real thing is coming with the next change to refactor.
        (DOM::CSSPrimitiveValue::setFloatValue): Call throwException.
        (DOM::CSSPrimitiveValue::setStringValue): Ditto.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@8017 268f45cc-cd09-0410-ab3c-d52691b4dbfc