ash: Add basic prediction code to the laser pointer.

ash/laser/laser_pointer_controller_test_api.cc

Index: ash/laser/laser_pointer_controller_test_api.cc
diff --git a/ash/laser/laser_pointer_controller_test_api.cc b/ash/laser/laser_pointer_controller_test_api.cc
index 165608acb50fd9e6f457e0741c28ccade7c21bad..a0d56759ebd4d149d590146517c8c3c96be92ab5 100644
--- a/ash/laser/laser_pointer_controller_test_api.cc
+++ b/ash/laser/laser_pointer_controller_test_api.cc
@@ -36,6 +36,11 @@ const LaserPointerPoints& LaserPointerControllerTestApi::laser_points() {
   return instance_->laser_pointer_view_->laser_points_;
 }
 
+const LaserPointerPoints&
+LaserPointerControllerTestApi::predicted_laser_points() {
+  return instance_->laser_pointer_view_->predicted_laser_points_;
+}
+
 LaserPointerView* LaserPointerControllerTestApi::laser_pointer_view() {
   return instance_->laser_pointer_view_.get();
 }