GraphWithImplicitRefs 1135 test/cctest/test-heap-profiler.cc   static GraphWithImplicitRefs* instance_;
GraphWithImplicitRefs 1138 test/cctest/test-heap-profiler.cc GraphWithImplicitRefs* GraphWithImplicitRefs::instance_ = NULL;
GraphWithImplicitRefs 1145 test/cctest/test-heap-profiler.cc   GraphWithImplicitRefs graph(&env);
GraphWithImplicitRefs 1146 test/cctest/test-heap-profiler.cc   v8::V8::SetGlobalGCPrologueCallback(&GraphWithImplicitRefs::gcPrologue);