#0  content::GpuWatchdogThread::DeliberatelyTerminateToRecoverFromHang (this=<optimized out>) at content/gpu/gpu_watchdog_thread.cc:230
  [Error: content/gpu/gpu_watchdog_thread.cc was not found in source tree]
#1  0x00007f82c81119f4 in Run (this=0x7f82b764e8d8) at ./base/callback.h:396
  [Error: ./base/callback.h was not found in source tree]
#2  base::MessageLoop::RunTask (this=0x7f82b764ea80, pending_task=...) at base/message_loop/message_loop.cc:482
  [Error: base/message_loop/message_loop.cc was not found in source tree]
#3  0x00007f82c8114ccb in base::MessageLoop::DeferOrRunPendingTask (this=0x7f82b764ea80, pending_task=...) at base/message_loop/message_loop.cc:494
  [Error: base/message_loop/message_loop.cc was not found in source tree]
#4  0x00007f82c8115082 in DoDelayedWork (next_delayed_work_time=0x7f82b0000a98, this=0x7f82b764ea80) at base/message_loop/message_loop.cc:646
  [Error: base/message_loop/message_loop.cc was not found in source tree]
#5  base::MessageLoop::DoDelayedWork (this=0x7f82b764ea80, next_delayed_work_time=0x7f82b0000a98) at base/message_loop/message_loop.cc:618
  [Error: base/message_loop/message_loop.cc was not found in source tree]
#6  0x00007f82c81154ee in base::MessagePumpDefault::Run (this=0x7f82b0000a80, delegate=0x7f82b764ea80) at base/message_loop/message_pump_default.cc:36
  [Error: base/message_loop/message_pump_default.cc was not found in source tree]
#7  0x00007f82c8131a48 in base::RunLoop::Run (this=0x7f82b764ea40) at base/run_loop.cc:45
  [Error: base/run_loop.cc was not found in source tree]
#8  0x00007f82c8110ec4 in base::MessageLoop::Run (this=<optimized out>) at base/message_loop/message_loop.cc:307
  [Error: base/message_loop/message_loop.cc was not found in source tree]
#9  0x00007f82c814a96d in base::Thread::ThreadMain (this=0x7f82cb49d130) at base/threading/thread.cc:203
  [Error: base/threading/thread.cc was not found in source tree]
#10 0x00007f82c8146014 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]
#11 0x00007f82bceb0e9a in start_thread (arg=0x7f82b764f700) at pthread_create.c:308
  [Error: pthread_create.c was not found in source tree]
#12 0x00007f82badbe3fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]
#13 0x0000000000000000 in ?? ()