events: ozone: Move unittests to separate build files

Create new source_sets in each directory with the unit tests for the
component that directory implements. This avoids having to add all tests
directly ui/events/BUILD.gn.

Bug: 1026406

Change-Id: Id3b462f655da31219c08131601e0bab8927bb1f8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1925674
Commit-Queue: Michael Spang <spang@chromium.org>
Reviewed-by: Kevin Schoedel <kpschoedel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#717216}

ui/events/BUILD.gn

@@ -619,40 +619,8 @@ if (!is_ios) {
       sources += [ "devices/device_data_manager_unittest.cc" ]
     }
 
-    if (use_ozone && (is_linux || is_chromeos)) {
-      sources += [
-        "ozone/chromeos/cursor_controller_unittest.cc",
-        "ozone/evdev/event_converter_evdev_impl_unittest.cc",
-        "ozone/evdev/event_converter_test_util.cc",
-        "ozone/evdev/event_converter_test_util.h",
-        "ozone/evdev/event_device_info_unittest.cc",
-        "ozone/evdev/event_device_test_util.cc",
-        "ozone/evdev/event_device_test_util.h",
-        "ozone/evdev/gamepad_event_converter_evdev_unittest.cc",
-        "ozone/evdev/input_injector_evdev_unittest.cc",
-        "ozone/evdev/tablet_event_converter_evdev_unittest.cc",
-        "ozone/evdev/testing/fake_cursor_delegate_evdev.h",
-        "ozone/evdev/touch_event_converter_evdev_unittest.cc",
-        "ozone/evdev/touch_filter/false_touch_finder_unittest.cc",
-        "ozone/evdev/touch_filter/heuristic_stylus_palm_detection_filter_unittest.cc",
-        "ozone/evdev/touch_filter/neural_stylus_palm_detection_filter_unittest.cc",
-        "ozone/evdev/touch_filter/neural_stylus_palm_detection_filter_util_unittest.cc",
-        "ozone/evdev/touch_filter/open_palm_detection_filter_unittest.cc",
-        "ozone/evdev/touch_filter/palm_detection_filter_factory_unittest.cc",
-      ]
-
-      if (use_xkbcommon) {
-        sources += [
-          "ozone/layout/keyboard_layout_engine_unittest.cc",
-          "ozone/layout/xkb/xkb_keyboard_layout_engine_unittest.cc",
-        ]
-      }
-
-      deps += [
-        "//ui/events/ozone",
-        "//ui/events/ozone/evdev",
-        "//ui/events/ozone/layout",
-      ]
+    if (use_ozone) {
+      deps += [ "//ui/events/ozone:unittests" ]
     }
 
     if (use_aura) {

ui/events/ozone/BUILD.gn

@@ -53,4 +53,28 @@ if (use_ozone) {
       deps += [ "//device/udev_linux" ]
     }
   }
+
+  source_set("unittests") {
+    testonly = true
+
+    sources = []
+
+    deps = [
+      ":ozone",
+      "//base",
+      "//testing/gtest",
+      "//ui/events",
+      "//ui/events/ozone/layout:unittests",
+      "//ui/gfx:native_widget_types",
+      "//ui/gfx/geometry",
+    ]
+
+    if (is_chromeos) {
+      sources += [ "chromeos/cursor_controller_unittest.cc" ]
+    }
+
+    if (is_linux) {
+      deps += [ "//ui/events/ozone/evdev:unittests" ]
+    }
+  }
 }

ui/events/ozone/evdev/BUILD.gn

@@ -139,3 +139,41 @@ component("evdev") {
     public_configs += [ ":evdev_gestures_config" ]
   }
 }
+
+source_set("unittests") {
+  testonly = true
+
+  sources = [
+    "event_converter_evdev_impl_unittest.cc",
+    "event_converter_test_util.cc",
+    "event_converter_test_util.h",
+    "event_device_info_unittest.cc",
+    "event_device_test_util.cc",
+    "event_device_test_util.h",
+    "gamepad_event_converter_evdev_unittest.cc",
+    "input_injector_evdev_unittest.cc",
+    "tablet_event_converter_evdev_unittest.cc",
+    "testing/fake_cursor_delegate_evdev.h",
+    "touch_event_converter_evdev_unittest.cc",
+    "touch_filter/false_touch_finder_unittest.cc",
+    "touch_filter/heuristic_stylus_palm_detection_filter_unittest.cc",
+    "touch_filter/neural_stylus_palm_detection_filter_unittest.cc",
+    "touch_filter/neural_stylus_palm_detection_filter_util_unittest.cc",
+    "touch_filter/open_palm_detection_filter_unittest.cc",
+    "touch_filter/palm_detection_filter_factory_unittest.cc",
+  ]
+
+  deps = [
+    ":evdev",
+    "//base",
+    "//base/test:test_support",
+    "//testing/gmock",
+    "//testing/gtest",
+    "//ui/events",
+    "//ui/events:dom_keycode_converter",
+    "//ui/events/devices",
+    "//ui/events/ozone",
+    "//ui/events/ozone/layout",
+    "//ui/gfx/geometry",
+  ]
+}

ui/events/ozone/layout/BUILD.gn

@@ -47,3 +47,23 @@ component("layout") {
     deps += [ "//ui/events/keycodes:xkb" ]
   }
 }
+
+source_set("unittests") {
+  testonly = true
+
+  sources = []
+  if (use_xkbcommon) {
+    sources += [
+      "keyboard_layout_engine_unittest.cc",
+      "xkb/xkb_keyboard_layout_engine_unittest.cc",
+    ]
+  }
+
+  deps = [
+    ":layout",
+    "//base",
+    "//testing/gtest",
+    "//ui/events",
+    "//ui/events:dom_keycode_converter",
+  ]
+}