WasSampleStackCalled  297 test/cctest/test-log.cc   CHECK(!sampler->WasSampleStackCalled());
WasSampleStackCalled  301 test/cctest/test-log.cc   CHECK(sampler->WasSampleStackCalled());
WasSampleStackCalled  303 test/cctest/test-log.cc   CHECK(!sampler->WasSampleStackCalled());
WasSampleStackCalled  307 test/cctest/test-log.cc   CHECK(!sampler->WasSampleStackCalled());