Add setters for the aura gesture recognizer constants.
BUG=113227
TEST=none


Review URL: http://codereview.chromium.org/9372040

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@122586 0039d316-1c4b-4281-b951-d872f2087c98
bool GesturePoint::IsInVerticalRailWindow() const {
  int dx = x_delta();
  int dy = y_delta();
  return abs(dy) > kRailStartProportion * abs(dx);
}

bool GesturePoint::IsInVerticalRailWindow() const {
  int dx = x_delta();
  int dy = y_delta();
  return abs(dy) > kRailStartProportion * abs(dx);
}
