Modify the stack signature for bug 70031 slightly to match a new stack signat...

chrome/test/data/reliability/known_crashes.txt

Index: chrome/test/data/reliability/known_crashes.txt
===================================================================
--- chrome/test/data/reliability/known_crashes.txt	(revision 74307)
+++ chrome/test/data/reliability/known_crashes.txt	(working copy)
@@ -141,7 +141,7 @@
 PREFIX : webcore::renderstyle::create___webcore::cssstyleselector::styleforelement
 
 # 70031
-SUBSTRING : webcore::shadowdata::`scalar deleting destructor___webcore::shadowdata::`scalar deleting destructor'___webcore::shadowdata::`scalar deleting destructor'___webcore::shadowdata::`scalar deleting destructor'
+SUBSTRING : webcore::shadowdata::`scalar deleting destructor'___webcore::shadowdata::`scalar deleting destructor'___webcore::shadowdata::`scalar deleting destructor'___webcore::shadowdata::`scalar deleting destructor'
 
 # 72337
 PREFIX : webcore::qualifiedname::~qualifiedname___webcore::cssmappedattributedeclaration::setmappedstate___webcore::htmltableelement::addsharedcellpaddingdecl___webcore::htmltableelement::addsharedcelldecls___webcore::cssstyleselector::styleforelement___webcore::node::styleforrenderer___webcore::node::createrendererifneeded___webcore::element::attach___webcore::htmlconstructionsite::attach<webcore::element>___webcore::htmlconstructionsite::inserthtmlelement___webcore::htmltreebuilder::processstarttag___webcore::htmltreebuilder::constructtreefromatomictoken___webcore::htmltreebuilder::constructtreefromtoken___webcore::htmldocumentparser::pumptokenizer___webcore::htmldocumentparser::append___webcore::decodeddatadocumentparser::appendbytes___webcore::documentwriter::adddata___webcore::documentloader::commitdata___webkit::frameloaderclientimpl::committedload___webcore::documentloader::commitload___webcore::documentloader::receiveddata___webcore::mainresourceloader::adddata___webcore::resourceloader::didreceivedata___webcore::mainresourceloader::didreceivedata___webcore::resourceloader::didreceivedata___webcore::resourcehandleinternal::didreceivedata___webkit_glue::weburlloaderimpl::context::onreceiveddata___resourcedispatcher::onreceiveddata___ipc::messagewithtuple<tuple3<int,void *,int> >::dispatch<resourcedispatcher,resourcedispatcher,int,void *,int>___resourcedispatcher::dispatchmessagew___resourcedispatcher::onmessagereceived___childthread::onmessagereceived___runnablemethod<browsingdataappcachehelper,void (__thiscall browsingdataappcachehelper::*)(gurl const &),tuple1<gurl> >::run___messageloop::runtask___messageloop::dowork___base::messagepumpdefault::run___messageloop::runinternal___messageloop::run___renderermain___`anonymous namespace'::runnamedprocesstypemain___chromemain___maindllloader::launch___wwinmain_____tmaincrtstartup