Add bug 23411 to known crash list.

chrome/test/data/reliability/known_crashes.txt

 # This file contains known patterns of crash signatures. One pattern per line.
 #
 # A crash signature is the concatenation of the top N functions, delimited by
 # '___', in chrome.dll on the crash stack. All characters are lower case.
 #
 # We use crash signature patterns as our list of known crashes. A crash
 # signature pattern is a string that can be used to identify a known crash. We
 # use the notion of patterns because crashes with the same root cause can often
 # differ somewhat in their crash stacks. A pattern is intended to be a
 # generalized, yet still identifying, form of a particular crash. Usually a
@@ skipping 106 matching lines @@
 
 # 21295
 PREFIX : renderwidgethost::getbackingstore
 
 # bug 21520 from [25866:25873]
 PREFIX : renderviewhost::setnavigationssuspended___renderviewhostmanager::shouldclosetabonunresponsiverenderer___tabcontents::rendererunresponsive
 
 # bug 21520 from [25874:25879]
 PREFIX : renderviewhost::executejavascriptinwebframe___domui::calljavascriptfunction___downloadsdomhandler::sendcurrentdownloads
 
+# bug 23411
+PREFIX : renderviewhost::setnavigationssuspended___renderviewhostmanager::shouldclosepage___renderviewhost::onmsgshouldcloseack
+SUBSTRING : renderwidgethost::~renderwidgethost___renderviewhost::`scalar deleting destructor'___renderwidgethost::destroy___renderwidgethost::shutdown___renderviewhostmanager::cancelpending
+
 # 21862
 PREFIX : urlrequesthttpjob::factory___urlrequestjobmanager::createjob___urlrequest::start
 
 # 23043
 PREFIX : v8::internal::invoke___v8::internal::execution::call___v8::function::call___webcore::dateextension::setallowsleep___webcore::v8abstracteventlistener::invokeeventhandler___webcore::v8abstracteventlistener::handleevent___webcore::eventtarget::fireeventlisteners___webcore::domwindow::dispatchevent
 PREFIX : v8::internal::invoke___v8::internal::execution::call___v8::function::call___webcore::dateextension::setallowsleep___webcore::dateextension::onsleepdetected
 
 # 23138
 PREFIX : tabrestoreservice::save___tabrestoreservice::~tabrestoreservice___tabrestoreservice::`scalar deleting destructor'
 
 # 23140
 PREFIX : ^hunspell_create_key
 PREFIX : hunspell_suggest___hunspell_suggest___hunspell_suggest
 
 # 23278
 SUBSTRING : webcore::xmlhttprequest::callreadystatechangelistener___webcore::xmlhttprequest::networkerror
 
 # 23280
 SUBSTRING : webframeloaderclient::dispatchdidchangelocationwithinpage___webcore::frameloader::continuefragmentscrollafternavigationpolicy___webcore::frameloader::callcontinuefragmentscrollafternavigationpolicy___webcore::policycheck::call
 
 # 23281
 REGEX : tabcontents::washidden___.*___tabcontents::~tabcontents