Pulls display related changes from mojo to chrome

mojo/services/view_manager/BUILD.gn

Index: mojo/services/view_manager/BUILD.gn
diff --git a/mojo/services/view_manager/BUILD.gn b/mojo/services/view_manager/BUILD.gn
index a96bcc68ae2640132938e800b603bc0dc1f98780..a0eb871ccf226fbb28d4cf41941ffad191d2ec2c 100644
--- a/mojo/services/view_manager/BUILD.gn
+++ b/mojo/services/view_manager/BUILD.gn
@@ -42,13 +42,25 @@ source_set("view_manager_lib") {
     "default_access_policy.h",
     "display_manager.cc",
     "display_manager.h",
+    "focus_controller.cc",
+    "focus_controller.h",
+    "focus_controller_delegate.h",
+    "gesture_manager.cc",
+    "gesture_manager.h",
+    "gesture_manager_delegate.h",
     "scheduled_animation_group.cc",
     "scheduled_animation_group.h",
     "server_view.cc",
     "server_view.h",
     "server_view_delegate.h",
+    "server_view_drawn_tracker.cc",
+    "server_view_drawn_tracker.h",
+    "server_view_drawn_tracker_observer.h",
+    "server_view_observer.h",
     "view_coordinate_conversions.cc",
     "view_coordinate_conversions.h",
+    "view_locator.cc",
+    "view_locator.h",
     "view_manager_service_impl.cc",
     "view_manager_service_impl.h",
     "window_manager_access_policy.cc",
@@ -106,7 +118,10 @@ source_set("test_support") {
 test("view_manager_service_unittests") {
   sources = [
     "animation_runner_unittest.cc",
+    "focus_controller_unittest.cc",
+    "gesture_manager_unittest.cc",
     "scheduled_animation_group_unittest.cc",
+    "server_view_drawn_tracker_unittest.cc",
     "test_server_view_delegate.cc",
     "test_server_view_delegate.h",
     "view_coordinate_conversions_unittest.cc",
@@ -125,6 +140,7 @@ test("view_manager_service_unittests") {
     "//third_party/mojo/src/mojo/public/cpp/bindings:bindings",
     "//third_party/mojo/src/mojo/public/interfaces/application",
     "//third_party/mojo_services/src/geometry/public/interfaces",
+    "//third_party/mojo_services/src/input_events/public/interfaces",
     "//third_party/mojo_services/src/native_viewport/public/cpp:args",
     "//third_party/mojo_services/src/view_manager/public/cpp",
     "//third_party/mojo_services/src/view_manager/public/interfaces",