REGRESSION (r102040): Wrong column widths when row has colspan and unwrappable text

REGRESSION (r102040): Wrong column widths when row has colspan and unwrappable text
https://bugs.webkit.org/show_bug.cgi?id=74874

Reviewed by Julien Chaffraix.

Source/WebCore:

Tests: fast/css/min-width-with-spanned-cell-fixed.html
       fast/css/min-width-with-spanned-cell.html

A cell with unwrappable text must be as wide as the text is long. If it is a colspan in a table whose
columns are all percent and the width of the span cell is wider than the cells it spans in any other
row then it will squeeze those cells beyond the width required to display their contents.

To fix this ensure that the squeezing of cells within a span respects the minimum width determined by
their contents. The squeezing remains for fixed layout tables as per FF and Opera.

* rendering/AutoTableLayout.cpp:
(WebCore::AutoTableLayout::calcEffectiveLogicalWidth):

LayoutTests:

* fast/css/min-width-with-spanned-cell-expected.png: Added.
* fast/css/min-width-with-spanned-cell-expected.txt: Added.
* fast/css/min-width-with-spanned-cell-fixed-expected.png: Added.
* fast/css/min-width-with-spanned-cell-fixed-expected.txt: Added.
* fast/css/min-width-with-spanned-cell-fixed.html: Added.
* fast/css/min-width-with-spanned-cell.html: Added.
* platform/chromium-linux/fast/table/027-expected.png:
   1 px difference - benign
* platform/chromium-linux/fast/table/027-vertical-expected.png:
   This is a progression - previously the image in the last cell was
   extruding from the table in a 800x600 view.
* platform/chromium-win/fast/table/027-expected.txt:
* platform/chromium-win/fast/table/027-vertical-expected.txt:
* platform/mac/test_expectations.txt: Suppress 027* tests for rebaseline.
* platform/win/test_expectations.txt: ditto
   The 2 tests are skipped on gtk and qt.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@105775 268f45cc-cd09-0410-ab3c-d52691b4dbfc