Chrome Version: 57.0.2946.0
OS: Ubuntu 14.04

What steps will reproduce the problem?
(1)Launch chrome -> Go to chrome://md-settings page
(2)Now click on Reload button continuously for 5-6 times and observe(Please refer Video)

Expected: Browser Crash should not be seen in chrome://md-settings page on continuously clicking on Reload Icon
Actual: Instead Browser Crash is seen 

Below are the Crash Ids:
78185b6300000000
22b1c5bf00000000

This is Regression Issue Broken in M-57
Will Provide Bisect info soon.

Below is the stack Trace:
Stacktrace
================
Thread 0 CRASHED [SIGILL @ 0x0000555dca9ba198 ] MAGIC SIGNATURE THREAD
Stack Quality76%Show frame trust levels
0x0000555dca9ba198	(chrome -./out/Release/../../content/public/browser/web_ui_message_handler.h:103)	settings::DefaultBrowserHandler::OnDefaultBrowserWorkerFinished(shell_integration::DefaultWebClientState)
0x0000555dc8ed9647	(chrome -./out/Release/../../chrome/browser/shell_integration.cc:207)	shell_integration::DefaultWebClientWorker::OnCheckIsDefaultComplete(shell_integration::DefaultWebClientState, bool)
0x0000555dc90fb95d	(chrome -./out/Release/../../base/callback.h:68)	base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*)
0x0000555dc90947ef	(chrome -./out/Release/../../base/message_loop/message_loop.cc:413)	base::MessageLoop::RunTask(base::PendingTask*)
0x0000555dc90942e4	(chrome -./out/Release/../../base/message_loop/message_loop.cc:422)	base::MessageLoop::DoWork()
0x0000555dc9096068	(chrome -./out/Release/../../base/message_loop/message_pump_glib.cc:267)	base::(anonymous namespace)::WorkSourceDispatch(_GSource*, int (*)(void*), void*)
0x00007f23ab8b8e03	(libglib-2.0.so.0.4002.0+ 0x00048e03)	
0x00007f23ab8c7b3f	(libglib-2.0.so.0.4002.0+ 0x00057b3f)	
0x00007f23ab8b9047	(libglib-2.0.so.0.4002.0+ 0x00049047)	
0x00007f23ab8b90eb	(libglib-2.0.so.0.4002.0+ 0x000490eb)	
0x0000555dc90962c5	(chrome -./out/Release/../../base/message_loop/message_pump_glib.cc:309)	base::MessagePumpGlib::Run(base::MessagePump::Delegate*)
0x0000555dc90b267f	(chrome -./out/Release/../../base/run_loop.cc:35)	base::RunLoop::Run()
0x0000555dc8f6fe55	(chrome -./out/Release/../../chrome/browser/chrome_browser_main.cc:1983)	ChromeBrowserMainParts::MainMessageLoopRun(int*)
0x0000555dc85f5837	(chrome -./out/Release/../../content/browser/browser_main_loop.cc:996)	content::BrowserMainLoop::RunMainMessageLoopParts()
0x0000555dc85f78dc	(chrome -./out/Release/../../content/browser/browser_main_runner.cc:141)	content::BrowserMainRunnerImpl::Run()
0x0000555dc85f03d8	(chrome -./out/Release/../../content/browser/browser_main.cc:46)	content::BrowserMain(content::MainFunctionParams const&)
0x0000555dc8d20083	(chrome -./out/Release/../../content/app/content_main_runner.cc:786)	content::ContentMainRunnerImpl::Run()
0x0000555dc8d1ecdd	(chrome -./out/Release/../../content/app/content_main.cc:20)	content::ContentMain(content::ContentMainParams const&)
0x0000555dc79db6dc	(chrome -./out/Release/../../chrome/app/chrome_main.cc:100)	ChromeMain
0x00007f23a63a4f44	(libc-2.19.so -libc-start.c:287)	__libc_start_main
0x0000555dc79cc9c0	(chrome+ 0x00b3d9c0)	_start