Mozart: Implement basic input event dispatch with hit testing.

services/ui/input_manager/BUILD.gn

 # Copyright 2015 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("//mojo/public/mojo_application.gni")
 import("//testing/test.gni")
 
 mojo_native_application("input_manager") {
   output_name = "input_manager_service"
 
   sources = [
     "input_associate.cc",
     "input_associate.h",
+    "input_connection_impl.cc",
+    "input_connection_impl.h",
+    "input_dispatcher_impl.cc",
+    "input_dispatcher_impl.h",
     "input_manager_app.cc",
     "input_manager_app.h",
     "main.cc",
   ]
 
   deps = [
     "//base",
     "//mojo/application",
     "//mojo/common",
     "//mojo/common:tracing_impl",
     "//mojo/converters/geometry",
     "//mojo/environment:chromium",
     "//mojo/public/cpp/bindings:bindings",
     "//mojo/services/geometry/cpp",
+    "//mojo/services/geometry/interfaces",
     "//mojo/services/gfx/composition/cpp",
     "//mojo/services/gfx/composition/interfaces",
     "//mojo/services/ui/input/interfaces",
     "//mojo/services/ui/views/cpp",
     "//mojo/services/ui/views/interfaces",
+    "//mojo/ui/associates",
   ]
 }