b/3348192 re-enable snap scrolling mode.

                        break;

                    }

                    // Only lock dragging to one axis if we don't have a scale in progress.

                    // Scaling implies free-roaming movement. Note this is only ever a question

                    // if mZoomManager.supportsPanDuringZoom() is true.

                    final ScaleGestureDetector detector =

                      mZoomManager.getMultiTouchGestureDetector();

                    if (detector == null || !detector.isInProgress()) {

                        // if it starts nearly horizontal or vertical, enforce it

                        int ax = Math.abs(deltaX);

                        int ay = Math.abs(deltaY);

                        if (ax > MAX_SLOPE_FOR_DIAG * ay) {

                            mSnapScrollMode = SNAP_X;

                            mSnapPositive = deltaX > 0;

                        } else if (ay > MAX_SLOPE_FOR_DIAG * ax) {

                            mSnapScrollMode = SNAP_Y;

                            mSnapPositive = deltaY > 0;

                        }

                    }

                    mTouchMode = TOUCH_DRAG_MODE;

                    mLastTouchX = x;

                    mLastTouchY = y;