Convert some text-based-repaint tests for spv2

LayoutTests/paint/invalidation/spv2/resources/convert.sh

+#!/bin/bash
+

[pdr., 2015/09/02 05:25:48]

This is a little rough to check in. WDYT about just linking it in the review
(maybe as an attachment on the bug, or on pastebin)?

+if [ "$#" != "1" ]; then
+    echo "Convert a text-based-repaint test into a spv2 paint invalidation test."
+    echo "Usage: convert.sh <relative-path-of-repaint-test-under-LayoutTests"
+    echo "Need to manually edit the generated -expected.html."
+    exit 1
+fi
+
+cd `dirname $0`/../../../..
+
+newfile=`echo $1 | sed 's#.*/#paint/invalidation/spv2/#'`
+echo New file: $newfile
+
+expectedtxt=`echo $1 | sed 's/\.html/-expected.txt/'`
+expectedtxt=`ls $expectedtxt* platform/{win,linux,mac}/$expectedtxt 2>/dev/null | head -1`
+if [ ! -f "$expectedtxt" ]; then
+    echo "No -expected.txt for the test"
+    exit 1
+fi
+
+indent=`grep 'repaintTest()' $1|sed 's/\(^ *\).*$/\1/'`
+expectedobj=/tmp/expected-paint-invalidation-objects
+grep '^ *"[^"]*",\?$' $expectedtxt | sed "s/^ */$indent    /;s/\$/,/;s/,,\$/,/" >$expectedobj
+testdir=`dirname $1`
+
+sed "s#\\([(='\"]\\)\\([-_\\.a-zA-Z0-9/]*resources/\)#\\1../../../$testdir/\\2#
+     / repaintTest()/ {
+       i\\${indent}window.expectedPaintInvalidationObjects = [
+       h
+       r $expectedobj
+       g
+       N
+       i\\${indent}];
+     }
+     s/ repaintTest()/ paintInvalidationTest()/
+     s/runRepaintTest/runPaintInvalidationTest/
+     s/finishRepaintTest/finishPaintInvalidationTest/
+     s/src=.*\/text-based-repaint.js/src=\"resources\/paint-invalidation-test.js/
+     1i\<\!-- Based on $1 --\>
+    " $1 > $newfile
+
+expected=`echo $newfile | sed 's/\.html/-expected.html/'`
+echo Expected: $expected
+sed "s#\\([(='\"]\\)\\([-_\\.a-zA-Z0-9/]*resources/\)#\\1../../../$testdir/\\2#
+     s/ onload=.runRepaintTest();\\?.//
+     /text-based-repaint.js/d
+    " $1 > $expected
+