Laser tool blocks events from propagating.

ash/BUILD.gn

Index: ash/BUILD.gn
diff --git a/ash/BUILD.gn b/ash/BUILD.gn
index 88964f053980d148cf55150507808aa05d0d79b1..ae4f8d98fc2d7e285883eed100cb9235f2174a05 100644
--- a/ash/BUILD.gn
+++ b/ash/BUILD.gn
@@ -252,10 +252,6 @@ component("ash") {
     "common/system/chromeos/palette/tools/create_note_action.h",
     "common/system/chromeos/palette/tools/laser_pointer_mode.cc",
     "common/system/chromeos/palette/tools/laser_pointer_mode.h",
-    "common/system/chromeos/palette/tools/laser_pointer_points.cc",
-    "common/system/chromeos/palette/tools/laser_pointer_points.h",
-    "common/system/chromeos/palette/tools/laser_pointer_view.cc",
-    "common/system/chromeos/palette/tools/laser_pointer_view.h",
     "common/system/chromeos/palette/tools/magnifier_mode.cc",
     "common/system/chromeos/palette/tools/magnifier_mode.h",
     "common/system/chromeos/power/battery_notification.cc",
@@ -648,8 +644,6 @@ component("ash") {
     "link_handler_model_factory.h",
     "magnifier/magnification_controller.cc",
     "magnifier/magnification_controller.h",
-    "magnifier/partial_magnification_controller.cc",
-    "magnifier/partial_magnification_controller.h",
     "metrics/desktop_task_switch_metric_recorder.cc",
     "metrics/desktop_task_switch_metric_recorder.h",
     "metrics/task_switch_metrics_recorder.cc",
@@ -925,6 +919,17 @@ component("ash") {
     data = [
       "display/test_data/",
     ]
+
+    sources += [
+      "laser/laser_pointer_controller.cc",
+      "laser/laser_pointer_controller.h",
+      "laser/laser_pointer_points.cc",
+      "laser/laser_pointer_points.h",
+      "laser/laser_pointer_view.cc",
+      "laser/laser_pointer_view.h",
+      "magnifier/partial_magnification_controller.cc",
+      "magnifier/partial_magnification_controller.h",
+    ]
   } else {
     sources -= [
       "accelerators/key_hold_detector.cc",
@@ -1125,6 +1130,13 @@ static_library("test_support_common") {
       "//chromeos",
       "//ui/display",
     ]
+
+    sources += [
+      "laser/laser_pointer_controller_test_api.cc",
+      "laser/laser_pointer_controller_test_api.h",
+      "laser/laser_pointer_points_test_api.cc",
+      "laser/laser_pointer_points_test_api.h",
+    ]
   }
 }
 
@@ -1372,11 +1384,6 @@ test("ash_unittests") {
     "common/system/chromeos/palette/mock_palette_tool_delegate.h",
     "common/system/chromeos/palette/palette_tool_manager_unittest.cc",
     "common/system/chromeos/palette/tools/create_note_unittest.cc",
-    "common/system/chromeos/palette/tools/laser_pointer_mode_test_api.cc",
-    "common/system/chromeos/palette/tools/laser_pointer_mode_test_api.h",
-    "common/system/chromeos/palette/tools/laser_pointer_points_test_api.cc",
-    "common/system/chromeos/palette/tools/laser_pointer_points_test_api.h",
-    "common/system/chromeos/palette/tools/laser_pointer_unittest.cc",
     "common/system/chromeos/palette/tools/screenshot_unittest.cc",
     "common/system/chromeos/power/power_status_unittest.cc",
     "common/system/chromeos/power/power_status_view_unittest.cc",
@@ -1422,7 +1429,6 @@ test("ash_unittests") {
     "frame/caption_buttons/frame_size_button_unittest.cc",
     "host/ash_window_tree_host_x11_unittest.cc",
     "magnifier/magnification_controller_unittest.cc",
-    "magnifier/partial_magnification_controller_unittest.cc",
     "metrics/desktop_task_switch_metric_recorder_unittest.cc",
     "metrics/task_switch_metrics_recorder_unittest.cc",
     "metrics/task_switch_time_tracker_unittest.cc",
@@ -1558,7 +1564,11 @@ test("ash_unittests") {
   }
 
   if (is_chromeos) {
-    sources += [ "first_run/first_run_helper_unittest.cc" ]
+    sources += [
+      "first_run/first_run_helper_unittest.cc",
+      "laser/laser_pointer_controller_unittest.cc",
+      "magnifier/partial_magnification_controller_unittest.cc",
+    ]
     deps += [
       "//chromeos",
       "//chromeos:power_manager_proto",
@@ -1583,7 +1593,6 @@ test("ash_unittests") {
       # TODO(zork): fix this test to build on Windows. See: crosbug.com/26906
       "focus_cycler_unittest.cc",
       "magnifier/magnification_controller_unittest.cc",
-      "magnifier/partial_magnification_controller_unittest.cc",
       "sticky_keys/sticky_keys_overlay_unittest.cc",
       "sticky_keys/sticky_keys_unittest.cc",
       "touch/touchscreen_util_unittest.cc",