NavigationGestureUnknown 2179 content/browser/frame_host/navigation_controller_impl_unittest.cc params.gesture = NavigationGestureUnknown; NavigationGestureUnknown 2204 content/browser/frame_host/navigation_controller_impl_unittest.cc params.gesture = NavigationGestureUnknown; NavigationGestureUnknown 2592 content/renderer/render_frame_impl.cc render_view_->navigation_gesture_ = NavigationGestureUnknown; NavigationGestureUnknown 652 content/renderer/render_view_impl.cc navigation_gesture_(NavigationGestureUnknown),