Reviewed by Kevin.

    Reviewed by Kevin.

	- remove code for DoNotStayInBlock variant of upstream/downstream and make
	the methods take no parameters

        * khtml/editing/htmlediting.cpp:
        (khtml::CompositeEditCommand::deleteInsignificantTextDownstream):
        (khtml::CompositeEditCommand::moveParagraphContentsToNewBlockIfNecessary):
        (khtml::ApplyStyleCommand::applyRelativeFontStyleChange):
        (khtml::ApplyStyleCommand::applyInlineStyle):
        (khtml::ApplyStyleCommand::removeInlineStyle):
        (khtml::ApplyStyleCommand::nodeFullySelected):
        (khtml::ApplyStyleCommand::nodeFullyUnselected):
        (khtml::DeleteSelectionCommand::initializePositionData):
        (khtml::DeleteSelectionCommand::fixupWhitespace):
        (khtml::InsertLineBreakCommand::insertNodeAfterPosition):
        (khtml::InsertLineBreakCommand::insertNodeBeforePosition):
        (khtml::InsertLineBreakCommand::doApply):
        (khtml::InsertParagraphSeparatorCommand::doApply):
        (khtml::InsertParagraphSeparatorInQuotedContentCommand::doApply):
        (khtml::InsertTextCommand::prepareForTextInsertion):
        (khtml::InsertTextCommand::input):
        (khtml::InsertTextCommand::insertSpace):
        (khtml::ReplaceSelectionCommand::doApply):
        * khtml/editing/selection.cpp:
        (khtml::Selection::toRange):
        (khtml::Selection::validate):
        * khtml/editing/visible_position.cpp:
        (khtml::VisiblePosition::previousVisiblePosition):
        (khtml::VisiblePosition::nextVisiblePosition):
        (khtml::VisiblePosition::downstreamDeepEquivalent):
        (khtml::isFirstVisiblePositionInParagraph):
        (khtml::isFirstVisiblePositionInBlock):
        (khtml::isLastVisiblePositionInParagraph):
        * khtml/xml/dom2_rangeimpl.cpp:
        (DOM::RangeImpl::editingStartPosition):
        * khtml/xml/dom_position.cpp:
        (DOM::isStreamer):
        (DOM::Position::upstream):
        (DOM::Position::downstream):
        (DOM::Position::leadingWhitespacePosition):
        (DOM::Position::trailingWhitespacePosition):
        * khtml/xml/dom_position.h:
        * kwq/WebCoreBridge.mm:
        (-[WebCoreBridge smartDeleteRangeForProposedRange:]):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@9144 268f45cc-cd09-0410-ab3c-d52691b4dbfc