#0  content::GpuWatchdogThread::DeliberatelyTerminateToRecoverFromHang (this=0x7ff2a1665cf0) at content/gpu/gpu_watchdog_thread.cc:213
  [Error: content/gpu/gpu_watchdog_thread.cc was not found in source tree]
#1  0x00007ff2a253220b in Run (this=0x7ff295de2838) at ./base/callback.h:396
  [Error: ./base/callback.h was not found in source tree]
#2  base::MessageLoop::RunTask (this=this@entry=0x7ff295de29f0, pending_task=...) at base/message_loop/message_loop.cc:484
  [Error: base/message_loop/message_loop.cc was not found in source tree]
#3  0x00007ff2a25334a0 in base::MessageLoop::DeferOrRunPendingTask (this=this@entry=0x7ff295de29f0, pending_task=...) at base/message_loop/message_loop.cc:496
  [Error: base/message_loop/message_loop.cc was not found in source tree]
#4  0x00007ff2a25350d1 in base::MessageLoop::DoDelayedWork (this=0x7ff295de29f0, next_delayed_work_time=0x7ff2a16e1858) at base/message_loop/message_loop.cc:726
  [Error: base/message_loop/message_loop.cc was not found in source tree]
#5  0x00007ff2a2536bae in base::MessagePumpDefault::Run (this=0x7ff2a16e1840, delegate=0x7ff295de29f0) at base/message_loop/message_pump_default.cc:33
  [Error: base/message_loop/message_pump_default.cc was not found in source tree]
#6  0x00007ff2a25458ed in base::RunLoop::Run (this=0x7ff295de29b0) at base/run_loop.cc:45
  [Error: base/run_loop.cc was not found in source tree]
#7  0x00007ff2a2531735 in base::MessageLoop::Run (this=<optimized out>) at base/message_loop/message_loop.cc:321
  [Error: base/message_loop/message_loop.cc was not found in source tree]
#8  0x00007ff2a2556fdd in base::Thread::ThreadMain (this=0x7ff2a1665cf0) at base/threading/thread.cc:203
  [Error: base/threading/thread.cc was not found in source tree]
#9  0x00007ff2a255369c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at base/threading/platform_thread_posix.cc:80
  [Error: base/threading/platform_thread_posix.cc was not found in source tree]
#10 0x00007ff29a9f2f6e in start_thread (arg=0x7ff295de3700) at pthread_create.c:311
  [Error: pthread_create.c was not found in source tree]
#11 0x00007ff299421e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]