kStoreBufferScanningPageEvent 1098 src/heap.cc      } else if (event == kStoreBufferScanningPageEvent) {
kStoreBufferScanningPageEvent  636 src/store-buffer.cc           (*callback_)(heap_, chunk, kStoreBufferScanningPageEvent);
kStoreBufferScanningPageEvent  659 src/store-buffer.cc       (*callback_)(heap_, NULL, kStoreBufferScanningPageEvent);