extensions_activity_monitor.h    5 chrome/browser/sync/glue/extensions_activity_monitor.cc #include "chrome/browser/sync/glue/extensions_activity_monitor.h"
extensions_activity_monitor.h    5 chrome/browser/sync/glue/extensions_activity_monitor_unittest.cc #include "chrome/browser/sync/glue/extensions_activity_monitor.h"
extensions_activity_monitor.h   16 chrome/browser/sync/glue/sync_backend_host_impl.h #include "chrome/browser/sync/glue/extensions_activity_monitor.h"