Remove the suppression for a fixed crash.

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 118 matching lines @@
 
 # 23281
 REGEX : tabcontents::washidden___.*___tabcontents::~tabcontents
 
 # 29081
 REGEX : ^malloc$
 
 # 29149
 PREFIX : malloc___webplugindelegateimpl::flashwindowlesswndproc___npapi::plugininstance::npp_write
 
-# 36964
-SUBSTRING : urlrequest::getuserdata___resourcedispatcherhost::infoforrequest___bufferedresourcehandler::onpluginsloaded
-
 # 29758
 PREFIX : webplugindelegateimpl::nativewndproc___webplugindelegateimpl::nativewndproc___base::messagepumpforui::processmessagehelper
 PREFIX : malloc___webplugindelegateimpl::flashwindowlesswndproc___npapi::plugininstance::npp_write___npapi::pluginstream::trywritetoplugin___
 
 # 29759
 PREFIX : webcore::imageeventsender::dispatchpendingevents
 
 # 31731
 PREFIX : webcore::scriptcontroller::isenabled___webcore::v8proxy::mainworldcontext___webcore::tov8context
 
@@ skipping 10 matching lines @@
 
 # 35176
 PREFIX : std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >::assign___addressfield::parsezipcode___addressfield::parse___formfieldset::formfieldset___formstructure::getheuristicfieldinfo
 
 # 36874
 PREFIX : webkit::webformelement::getinputelements___formmanager::extractforms___renderview::didfinishdocumentload
 
 # 35467
 SUBSTRING : webcore::scriptcontroller::processingusergesture___webcore::frameloader::requestframe___webcore::htmlframeelementbase::openurl___webcore::htmlframeelementbase::setlocation