Crash Ids: 94d71b6268000000
           6a135c8388000000

Able to reproduce the crash on windows 7 using chrome version 62.0.3172.0 but not reproducible on Mac 10.12.6

Thanks,

Stack  trace of the crash id:
=============================
Thread 19 (id: 4867) CRASHED [DUMP_REQUESTED @ 0x00007eff008b3f13 ] MAGIC SIGNATURE THREAD
Stack Quality94%Show frame trust levels
0x00007eff008b3f13	(chrome -exception_handler.cc:684 )	google_breakpad::ExceptionHandler::WriteMinidump()
0x00007efefdb1b361	(chrome -breakpad_linux.cc:756 )	breakpad::(anonymous namespace)::DumpProcess()
0x00007efefe6a41fe	(chrome -dump_without_crashing.cc:23 )	base::debug::DumpWithoutCrashing()
0x00007efefd400b46	(chrome -browser_message_filter.cc:179 )	content::BrowserMessageFilter::ShutdownForBadMessage()
0x00007efefd977a6d	(chrome -extension_function.cc:100 )	IOThreadExtensionFunction::SetBadMessage()
0x00007efefd976f21	(chrome -extension_function.cc:149 )	<name omitted>
0x00007efefda9f15c	(chrome -web_request_api.cc:2222 )	extensions::WebRequestInternalAddEventListenerFunction::Run()
0x00007efefd9770b6	(chrome -extension_function.cc:457 )	ExtensionFunction::RunWithValidation()
0x00007efefd978613	(chrome -extension_function_dispatcher.cc:319 )	extensions::ExtensionFunctionDispatcher::DispatchOnIOThread(extensions::InfoMap*, void*, int, base::WeakPtr<extensions::IOThreadExtensionMessageFilter>, int, ExtensionHostMsg_Request_Params const&)
0x00007efefd9ad583	(chrome -io_thread_extension_message_filter.cc:103 )	extensions::IOThreadExtensionMessageFilter::OnExtensionRequestForIOThread(int, ExtensionHostMsg_Request_Params const&)
0x00007efefd9ad3f4	(chrome -tuple.h:77 )	bool IPC::MessageT<ExtensionHostMsg_RequestForIOThread_Meta, std::__1::tuple<int, ExtensionHostMsg_Request_Params>, void>::Dispatch<extensions::IOThreadExtensionMessageFilter, extensions::IOThreadExtensionMessageFilter, void, void (extensions::IOThreadExtensionMessageFilter::*)(int, ExtensionHostMsg_Request_Params const&)>(IPC::Message const*, extensions::IOThreadExtensionMessageFilter*, extensions::IOThreadExtensionMessageFilter*, void*, void (extensions::IOThreadExtensionMessageFilter::*)(int, ExtensionHostMsg_Request_Params const&))
0x00007efefd9ace2f	(chrome -io_thread_extension_message_filter.cc:80 )	extensions::IOThreadExtensionMessageFilter::OnMessageReceived(IPC::Message const&)
0x00007efefd40114d	(chrome -browser_message_filter.cc:91 )	content::BrowserMessageFilter::Internal::OnMessageReceived(IPC::Message const&)
0x00007efefe8a0705	(chrome -message_filter_router.cc:22 )	IPC::MessageFilterRouter::TryFilters(IPC::Message const&)
0x00007efefe8928bc	(chrome -ipc_channel_proxy.cc:87 )	IPC::ChannelProxy::Context::TryFilters(IPC::Message const&)
0x00007efefe892a1e	(chrome -ipc_channel_proxy.cc:122 )	IPC::ChannelProxy::Context::OnMessageReceived(IPC::Message const&)
0x00007efefe89091f	(chrome -ipc_channel_mojo.cc:414 )	IPC::ChannelMojo::OnMessageReceived(IPC::Message const&)
0x00007efefe896512	(chrome -ipc_message_pipe_reader.cc:109 )	IPC::internal::MessagePipeReader::Receive(std::__1::vector<unsigned char, std::__1::allocator<unsigned char> > const&, base::Optional<std::__1::vector<mojo::StructPtr<IPC::mojom::SerializedHandle>, std::__1::allocator<mojo::StructPtr<IPC::mojom::SerializedHandle> > > >)
0x00007efefe8a0eb2	(chrome -ipc.mojom.cc:270 )	IPC::mojom::ChannelStubDispatch::Accept(IPC::mojom::Channel*, mojo::Message*)
0x00007efefe898d46	(chrome -ipc_mojo_bootstrap.cc:753 )	IPC::(anonymous namespace)::ChannelAssociatedGroupController::Accept(mojo::Message*)
0x00007efefe7492bf	(chrome -connector.cc:440 )	mojo::Connector::ReadSingleMessage(unsigned int*)
0x00007efefe749931	(chrome -connector.cc:469 )	mojo::Connector::ReadAllAvailableMessages()
0x00007efefd46ec4f	(chrome -callback.h:80 )	base::MemoryPressureListener::Notify(base::MemoryPressureListener::MemoryPressureLevel)
0x00007efefe758566	(chrome -callback.h:80 )	mojo::SimpleWatcher::OnHandleReady(int, unsigned int, mojo::HandleSignalsState const&)
0x00007efefe6a479a	(chrome -callback.h:91 )	base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*)
0x00007efefe6bdb57	(chrome -message_loop.cc:418 )	base::MessageLoop::RunTask(base::PendingTask*)
0x00007efefe6be0b1	(chrome -message_loop.cc:429 )	base::MessageLoop::DeferOrRunPendingTask(base::PendingTask)
0x00007efefe6be3b5	(chrome -message_loop.cc:536 )	base::MessageLoop::DoWork()
0x00007efefe6c05d4	(chrome -message_pump_libevent.cc:220 )	base::MessagePumpLibevent::Run(base::MessagePump::Delegate*)
0x00007efefe6deb7f	(chrome -run_loop.cc:112 )	base::RunLoop::Run()
0x00007efefd4caf4d	(chrome -browser_thread_impl.cc:278 )	content::BrowserThreadImpl::IOThreadRun(base::RunLoop*)
0x00007efefd4cafff	(chrome -browser_thread_impl.cc:313 )	content::BrowserThreadImpl::Run(base::RunLoop*)
0x00007efefe704fc4	(chrome -thread.cc:338 )	base::Thread::ThreadMain()
0x00007efefe6ffec9	(chrome -platform_thread_posix.cc:71 )	base::(anonymous namespace)::ThreadFunc(void*)
0x00007efefb3b0183	(libpthread-2.19.so + 0x00008183 )	
0x00007efefb0ddbec	(libc-2.19.so + 0x000fdbec )	

This is crashing in extension_function.cc hence cc'ing Devs for further investigation of this.

I'll see if I can repro.

Archiving old bugs that have only received trivial updates for some time.

If you feel this issue should still be addressed, feel free to reopen it or to file a new issue. Thanks!