ZOOM_DIRECTION_UNKNOWN 201 content/browser/renderer_host/input/synthetic_gesture_controller_unittest.cc zoom_direction_(ZOOM_DIRECTION_UNKNOWN), ZOOM_DIRECTION_UNKNOWN 231 content/browser/renderer_host/input/synthetic_gesture_controller_unittest.cc if (zoom_direction_ == ZOOM_DIRECTION_UNKNOWN) ZOOM_DIRECTION_UNKNOWN 949 content/browser/renderer_host/input/synthetic_gesture_controller_unittest.cc MockSyntheticPinchTouchTarget::ZOOM_DIRECTION_UNKNOWN);