EVENT_SOURCE_MOUSE  162 chrome/browser/ui/views/tabs/tab_drag_controller.cc       event_source_(EVENT_SOURCE_MOUSE),
EVENT_SOURCE_MOUSE 1196 chrome/browser/ui/views/tabs/tab_drag_controller.cc       event_source_ == EVENT_SOURCE_MOUSE ?
EVENT_SOURCE_MOUSE  300 chrome/browser/ui/views/tabs/tab_strip.cc       TabDragController::EVENT_SOURCE_MOUSE;