Laser tool blocks events from propagating.

ash/shell.h

Index: ash/shell.h
diff --git a/ash/shell.h b/ash/shell.h
index d050826b53c4270a58e506f5b2feb30e790ac599..1c07f80794fa27bcf529251f0b6a6d43feee1ad5 100644
--- a/ash/shell.h
+++ b/ash/shell.h
@@ -85,6 +85,7 @@ class FirstRunHelper;
 class GPUSupport;
 class HighContrastController;
 class ImmersiveHandlerFactoryAsh;
+class LaserPointerController;
 class LinkHandlerModelFactory;
 class LocaleNotificationController;
 class LockStateController;
@@ -299,15 +300,19 @@ class ASH_EXPORT Shell : public SystemModalContainerEventFilterDelegate,
   HighContrastController* high_contrast_controller() {
     return high_contrast_controller_.get();
   }
-
+#if defined(OS_CHROMEOS)
+  LaserPointerController* laser_pointer_controller() {

[James Cook, 2016/09/16 18:13:31]

nit: I would just stick these in the existing OS_CHROMEOS block above, so this
code becomes less ifdef-y.

[sammiequon, 2016/09/16 19:21:04]

Done.

+    return laser_pointer_controller_.get();
+  }
+#endif  // defined(OS_CHROMEOS)
   MagnificationController* magnification_controller() {
     return magnification_controller_.get();
   }
-
+#if defined(OS_CHROMEOS)
   PartialMagnificationController* partial_magnification_controller() {
     return partial_magnification_controller_.get();
   }
-
+#endif  // defined(OS_CHROMEOS)
   AutoclickController* autoclick_controller() {
     return autoclick_controller_.get();
   }
@@ -471,9 +476,14 @@ class ASH_EXPORT Shell : public SystemModalContainerEventFilterDelegate,
   std::unique_ptr<VideoDetector> video_detector_;
   std::unique_ptr<WindowTreeHostManager> window_tree_host_manager_;
   std::unique_ptr<HighContrastController> high_contrast_controller_;
+#if defined(OS_CHROMEOS)

[James Cook, 2016/09/16 18:13:31]

ditto, move to CHROMEOS section below

[sammiequon, 2016/09/16 19:21:04]

Done.

+  std::unique_ptr<LaserPointerController> laser_pointer_controller_;
+#endif  // defined(OS_CHROMEOS)
   std::unique_ptr<MagnificationController> magnification_controller_;
+#if defined(OS_CHROMEOS)
   std::unique_ptr<PartialMagnificationController>
       partial_magnification_controller_;
+#endif  // defined(OS_CHROMEOS)
   std::unique_ptr<AutoclickController> autoclick_controller_;
   std::unique_ptr<aura::client::FocusClient> focus_client_;