The following tests fails with the latest roll:

TabOpenAppOffTheRecordTest.testDummyURL
TabModelTest.CloseAllTabs
TabOpenAppTest.testDummyURL
ClearBrowsingDataCollectionViewControllerTest.TestCacheCounterFormattingForAllTime
TabModelTest.OpenersNothingOpenedFirst
TabModelTest.InsertUrlSingle
TabModelTest.AppendUrlSingle
TabModelTest.OpenersChildTabBeforeOpener
TabModelTest.PersistSelectionChange
TabTest.GetSuggestedFilenameFromURL
TabModelTest.ParentTabModel
TabModelTest.RestoreSessionOn2NtpTest
TabModelTest.OpenerOfTab
SnapshotCacheTest.GreyImageAllInBackground
TabModelTest.AddWithOrderController
SnapshotCacheTest.SaveToDisk
TabModelTest.CloseTabAtIndexOnlyOne
SnapshotCacheTest.HandleMemoryWarning
TabModelTest.AddWithLinkTransitionAndIndex
TabModelTest.CloseTabAtIndexMiddle
SnapshotCacheTest.DeleteRetinaImages
TabTest.FailToOpenAppSettings

https://uberchromegw.corp.google.com/i/internal.bling.main/builders/chromium-autoroller/builds/1140

Looks like there is a NULL pointer that is dereferenced when looking at the crash logs:

[ RUN      ] TabOpenAppOffTheRecordTest.testDummyURL
Received signal 11 SEGV_MAPERR 000000000024
 [0x00010f1885ad]
 [0x00010f1885ed]
 [0x00010f1872fc]
 [0x00010f1884d6]
 [0x0001236dc52a]
 [0x7fff526a4e10]
 [0x00010f34fbb0]
 [0x00010e910b19]
 [0x00010e91eebd]
 [0x00010eb4dad6]
 [0x00010df526de]
 [0x00010df3a6f0]
 [0x00010df3bcb5]
 [0x00010df3bcf9]
 [0x00010d7fab90]
 [0x00010dce8c8e]
 [0x00010dcc44d2]
 [0x00010dcc444b]
 [0x00010dcc54ad]
 [0x00010dcc674c]
 [0x00010dcd34f9]
 [0x00010dcebe7e]
 [0x00010dcd3112]
 [0x00010dcd300a]
 [0x00010f506b21]
 [0x00010f505fbb]
 [0x00010f50a121]
 [0x00011c676f48]
 [0x00011b871964]
 [0x00011b8715f3]
 [0x00011b87117a]
 [0x00011b868f01]
 [0x00011b868494]
 [0x000120ec0a6f]
 [0x000119f9ff34]
 [0x00010f50a3c2]
 [0x00010f505e9f]
 [0x00010d54c825]
 [0x00010d54c764]
 [0x00010d54c715]
 [0x00010d54c62c]
 [0x00010f50c2fd]
 [0x00010f50c27c]
 [0x00010d54c392]
 [0x00012339168d]
[end of stack trace]