CR_BEGIN_MSG_MAP_EX   23 tools/memory_watcher/hotkey.h   CR_BEGIN_MSG_MAP_EX(HotKeyHandler)
CR_BEGIN_MSG_MAP_EX   47 ui/aura/window_tree_host_win.h   CR_BEGIN_MSG_MAP_EX(WindowTreeHostWin)
CR_BEGIN_MSG_MAP_EX   25 ui/base/win/foreground_helper.h   CR_BEGIN_MSG_MAP_EX(ForegroundHelper)
CR_BEGIN_MSG_MAP_EX   45 ui/base/win/hidden_window.cc   CR_BEGIN_MSG_MAP_EX(WebContentsViewWin)