Revert reliability bot suppressions for 93971 & 93974

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 181 matching lines @@
 # 90579
 PREFIX: messageloop::calculatedelayedruntime___messageloop::posttask___media::ffmpegdemuxer::initialize
 
 # 89679
 # 90796
 REGEX: (^|`anonymous namespace'::purecall____purecall___)renderviewhost::onmessagereceived___browserrenderprocesshost::onchannelerror___(`anonymous namespace'|base::subtle)::taskclosureadapter::run___messageloop::runtask___messageloop::dowork___base::messagepumpforui::dorunloop___base::messagepumpwin::runwithdispatcher___messageloop::runinternal___messageloopforui::run___`anonymous namespace'::runuimessageloop___browsermain___`anonymous namespace'::runnamedprocesstypemain___chromemain___maindllloader::launch___wwinmain_____tmaincrtstartup
 
 # 93459
 PREFIX: webcore::htmlsourcetracker::sourcefortoken___webcore::htmldocumentparser::sourcefortoken___webcore::xssauditor::eraseattributeifinjected___webcore
 
-# 93971
-PREFIX: chromeurlrequestcontextgetter::geturlrequestcontext___`anonymous namespace'::rendererurlrequestcontextselector::getrequestcontext___resourcedispatcherhost::ondidloadresourcefrommemorycache
-
-# 93974
-PREFIX: `anonymous namespace'::purecall____purecall___content::resourcecontext::request_context___resourcedispatcherhost::beginrequest___resourcedispatcherhost::onrequestresource
-
 # 95069
 PREFIX: `anonymous namespace'::invalidparameter____purecall___memcpy_s___std::basic_string<char,std::char_traits<char>,std::allocator<char> >::assign___gurl::gurl___`anonymous namespace'::do_malloc___malloc___scoped_refptr<resourcehandler>::operator=___resourcedispatcherhost::beginrequest___resourcehostmsg_requestresource::dispatch<resourcedispatcherhost,resourcedispatcherhost,int,resourcehostmsg_request const &>
 
 # 95289
 PREFIX: net::networkdelegate::notifycompleted___net::urlrequest::docancel___net::urlrequest::~urlrequest___stldeletevalues<std::map<globalrequestid,net::urlrequest *,std::less<globalrequestid>,std::allocator<std::pair<globalrequestid const ,net::urlrequest *> > > >___resourcedispatcherhost::onshutdown
 
 # 95506
 PREFIX: base::debug::breakdebugger___`anonymous namespace'::silentruntimeasserthandler___logging::logmessage::~logmessage___`anonymous namespace'::shutdownwatchdogthread::alarm___base::watchdog::threaddelegate::threadmain
 
 # 95951
 PREFIX: net::sdchmanager::getavaildictionarylist___net::urlrequesthttpjob::addextraheaders___net::urlrequesthttpjob::start___net::urlrequest::startjob___net::urlrequest::start___urlfetcher::core::startoniothread
 
 # 95953
 REGEX: std::_tree<std::_tmap_traits<std::basic_string.*,remoting::javascriptiqrequest *,std::less.*,remoting::javascriptiqrequest *> >,0> >::_lbound___std::_tree<std::_tmap_traits.*basic_string.*,extensioncontentsettingsstore::extensionentry *,std::less.*,extensioncontentsettingsstore::extensionentry *> >,0> >::find___net::sdchmanager::isinsupporteddomain___net::urlrequesthttpjob::addextraheaders
 
 # 95954
 PREFIX: net::sdchmanager::isinsupporteddomain___net::urlrequesthttpjob::addextraheaders___net::urlrequesthttpjob::start___net::urlrequest::startjob___net::urlrequest::start___urlfetcher::core::startoniothread
 
 # 96234
 PREFIX: std::_tree<std::_tmap_traits<syncable::id,int,std::less<syncable::id>,std::allocator<std::pair<syncable::id const ,int> >,0> >::_lbound___std::_tree<std::_tmap_traits<std::basic_string<char,std::char_traits<char>,std::allocator<char> >,fileapi::filesystemdirectorydatabase *,std::less<std::basic_string<char,std::char_traits<char>,std::allocator<char> > >,std::allocator<std::pair<std::basic_string<char,std::char_traits<char>,std::allocator<char> > const ,fileapi::filesystemdirectorydatabase *> >,0> >::find___net::sdchmanager::isinsupporteddomain___net::urlrequesthttpjob::addextraheaders
 
 # 96235
 PREFIX: browser::hidebookmarkbubbleview___browserview::onwidgetmove___views::nativewidgetwin::onmove