[Patch] Harmful Safari merges, please review.

[Leo Savernik]

Hello,

What started as a harmless merge in [1] has become much more invasive as I 
simply cannot do without the inlineflowbox information for sensible caret 
navigation.

So here comes a new Safari merge patch. It contains everything of the old 
patch[2], and additionally features:

- adding createInlineBox to all relevant classes (RenderObject, RenderText, 
RenderFlow)
- changing position(int,int,int,int,int,int,bool,int) to position(InlineBox *, 
int,int,bool,int)
- backporting constructLine and createLineBoxes from Safari and patching them 
as necessary to work with existing code.
- splitting bidiReorderLine into bidiReorderLine and computePositionsForLine 
(which is a combination of the computeHorizontal-/-VerticalPositionsForLine 
functions of WebCore, but based on existing code)

I regression tested the changes and did not hit any troubles.

The patch is here:
http://bugs.kde.org/attachment.cgi?id=2161&action=view

mfg
	Leo

[1] http://lists.kde.org/?l=kfm-devel&m=105899716923527&w=2
[2] http://bugs.kde.org/attachment.cgi?id=2053&action=view