App Version: 61.0.3157.0
iOS Version: 11.0.0, 10.2.1, 9.3.5
Device: iPhone, iPad

Steps to reproduce:
1.  Install latest M61 canary build 
2.  Launch chrome

Observed results:
Canary build crashes upon launch of chrome.

Note: 
1. Working fine when using xcode9 build (iphoneos11) canary.
2. Also this crash is happening on other platforms as well. http://crbug/742707 is tracking Windows,Mac.

Expected results:
Should be able to launch chrome successfully without any crashes

Number of times you were able to reproduce: 5/5
Bug reproducible after clean install: Yes
Bug reproducible after clearing cache and cookies: Yes
Bug reproducible on Chrome Mobile on Android: NA
Bug reproducible on Safari/Firefox: Firefox: NA. Safari: NA
Bug reproducible on current stable build (App Version, iOS Version): NA
Bug reproducible on the current beta channel build (App Version, iOS Version): NA

Link to video/image:
https://drive.google.com/a/google.com/file/d/0B8Cek8RsDbF8VThMZWxEY245cmc/view?usp=sharing

Link to Canary build: 
https://storage.cloud.google.com/chrome-signed/ios-G1N/61.0.3157.0/iphoneos10.2/ios-canary/689/canary.ipa?_ga=1.73760277.623110483.1493877501

Crash log:

Thread 0 name:  CrWebMain  Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   Chrome                        	0x0000000101192c08 variations::VariationsFieldTrialCreator::GetClientFilterableStateForVersion(base::Version const&) + variations_field_trial_creator.cc:213
1   Chrome                        	0x0000000101192c00 variations::VariationsFieldTrialCreator::GetClientFilterableStateForVersion(base::Version const&) + memory:2702
2   Chrome                        	0x0000000101194218 variations::VariationsService::PerformSimulationWithVersion(std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> >, base::Version const&) + memory:2701
3   Chrome                        	0x0000000101194f18 void base::internal::FunctorTraits<void (variations::VariationsService::*)(std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> >, base::Version const&), void>::Invoke<base::WeakPtr<variations::VariationsService> const&, std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> >, base::Version const&>(void (variations::VariationsService::*)(std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> >, base::Version const&), base::WeakPtr<variations::VariationsService> const&&&, std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> >&&, base::Version const&&&) + memory:2721
4   Chrome                        	0x0000000101194e2c void base::internal::Invoker<base::internal::BindState<void (variations::VariationsService::*)(std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> >, base::Version const&), base::WeakPtr<variations::VariationsService>, base::internal::PassedWrapper<std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> > > >, void (base::Version const&)>::RunImpl<void (variations::VariationsService::* const&)(std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> >, base::Version const&), std::__1::tuple<base::WeakPtr<variations::VariationsService>, base::internal::PassedWrapper<std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> > > > const&, 0ul, 1ul>(void (variations::VariationsService::* const&&&)(std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> >, base::Version const&), std::__1::tuple<base::WeakPtr<variations::VariationsService>, base::internal::PassedWrapper<std::__1::unique_ptr<variations::VariationsSeed, std::__1::default_delete<variations::VariationsSeed> > > > const&&&, base::IndexSequence<0ul, 1ul>, base::Version const&) + memory:2721
5   Chrome                        	0x00000001011954fc base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>::Run(base::Version const&) + callback_forward.h:29
6   Chrome                        	0x00000001011953e4 void base::internal::FunctorTraits<void (*)(base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>, base::Version*), void>::Invoke<base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>, base::Version*>(void (*)(base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>, base::Version*), base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>&&, base::Version*&&) + callback_forward.h:29
7   Chrome                        	0x00000001011953ac void base::internal::Invoker<base::internal::BindState<void (*)(base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>, base::Version*), base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>, base::internal::OwnedWrapper<base::Version> >, void ()>::RunImpl<void (*)(base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>, base::Version*), std::__1::tuple<base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>, base::internal::OwnedWrapper<base::Version> >, 0ul, 1ul>(void (*&&)(base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>, base::Version*), std::__1::tuple<base::Callback<void (base::Version const&), (base::internal::CopyMode)0, (base::internal::RepeatMode)0>, base::internal::OwnedWrapper<base::Version> >&&, base::IndexSequence<0ul, 1ul>) + bind_internal.h:351
8   Chrome                        	0x00000001007802f0 base::(anonymous namespace)::PostTaskAndReplyRelay::RunReplyAndSelfDestruct() + callback_forward.h:29
9   Chrome                        	0x000000010073721c base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) + callback_forward.h:29
10  Chrome                        	0x000000010074d3d0 base::MessageLoop::RunTask(base::PendingTask*) + vector:647
11  Chrome                        	0x000000010074d694 base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) + message_loop.cc:433
12  Chrome                        	0x000000010074d91c base::MessageLoop::DoWork() + message_loop.cc:540
13  Chrome                        	0x000000010079e6dc base::MessagePumpCFRunLoopBase::RunWork() + message_pump_mac.mm:421
14  Chrome                        	0x000000010079e030 base::MessagePumpCFRunLoopBase::RunWorkSource(void*) + message_pump_mac.mm:400
15  CoreFoundation                	0x0000000182c8eb5c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 
16  CoreFoundation                	0x0000000182c8e4a4 __CFRunLoopDoSources0 + 
17  CoreFoundation                	0x0000000182c8c0a4 __CFRunLoopRun + 
18  CoreFoundation                	0x0000000182bba2b8 CFRunLoopRunSpecific + 
19  GraphicsServices              	0x000000018466e198 GSEventRunModal + 
20  UIKit                         	0x0000000188c017fc -[UIApplication _run] + 
21  UIKit                         	0x0000000188bfc534 UIApplicationMain + 
22  Chrome                        	0x00000001000206dc main + chrome_exe_main.mm:51
23  libdyld.dylib                 	0x0000000181b9d5b8 start + 


Link to Complete Crash log: 
https://docs.google.com/a/google.com/document/d/1VLhR9BOiGRGALdorsmtgXfTnofg_uMJy87bNET2L454/edit?usp=sharing