WIP Hittest Component.

components/viz/hittest/BUILD.gn

+# Copyright 2017 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//testing/test.gni")
+
+component("hittest") {
+  defines = [ "HITTEST_IMPLEMENTATION" ]
+
+  sources = [
+    "display_hittest_data.cc",
+    "display_hittest_data.h",
+    "hittest_aggregator.cc",
+    "hittest_aggregator.h",
+  ]
+
+  deps = [
+    "//cc/ipc:interfaces",
+    "//components/viz/hittest/public/interfaces",
+  ]
+}
+
+# This test covers all testable components in display.
+test("viz_hittest_unittests") {
+  sources = [
+    "hittest_aggregator_unittest.cc",
+  ]
+
+  deps = [
+    ":hittest",
+    "//base",
+    "//base/test:run_all_unittests",
+    "//base/test:test_support",
+    "//components/viz/hittest/public/interfaces",
+    "//testing/gtest",
+  ]
+
+  public_deps = [
+    "//skia/public/interfaces",

[rjkroege, 2017/06/07 17:16:45]

did you figure out why you need this?

[gklassen, 2017/06/07 20:04:43]

Done.

+    "//ui/gfx/geometry/mojo",
+    "//ui/gfx/mojo",
+  ]
+}