Add viz-host HitTestQuery.

components/viz/service/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("//build/config/ui.gni")
 import("//components/viz/viz.gni")
 
 config("viz_service_implementation") {
 }
 
@@ skipping 135 matching lines @@
     "//build/config/compiler:no_size_t_to_int_warning",
     "//third_party/khronos:khronos_headers",
   ]
 
   deps = [
     ":service",
     "//base",
     "//base/test:test_support",
     "//cc:test_support",
     "//components/viz/common",
+    "//components/viz/host/hit_test:hit_test",

[sadrul, 2017/07/19 15:40:08]

Don't need the bits after :

[riajiang, 2017/07/19 17:45:55]

Done.

     "//gpu/command_buffer/client",
     "//gpu/command_buffer/client:gles2_implementation",
     "//gpu/ipc:gl_in_process_context",
     "//media",
     "//services/viz/hit_test/public/interfaces",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/display/types",
   ]
 }
 
 viz_source_set("perf_tests") {
   testonly = true
   sources = [
     "display/surface_aggregator_perftest.cc",
   ]
 
   deps = [
     ":service",
     "//base",
     "//cc:test_support",
     "//cc/base",
     "//testing/gtest",
     "//testing/perf",
   ]
 }