Mandoline: Move content_handler.mojom from third_party/ to mojo/.

mojo/application/BUILD.gn

 # Copyright 2014 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.
 
 # GYP version: mojo/mojo_base.gyp:mojo_application_chromium
 source_set("application") {
   sources = [
     "application_runner_chromium.cc",
     "application_runner_chromium.h",
   ]
@@ skipping 12 matching lines @@
   sources = [
     "content_handler_factory.cc",
     "content_handler_factory.h",
   ]
   deps = [
     ":application",
     "//base",
     "//mojo/application/public/interfaces",
     "//mojo/common",
     "//mojo/environment:chromium",
-    "//third_party/mojo_services/src/content_handler/public/interfaces",
     "//mojo/services/network/public/interfaces",
   ]
 }
 
 source_set("test_support") {
   testonly = true
   sources = [
     "application_test_base_chromium.cc",
     "application_test_base_chromium.h",
     "application_test_main_chromium.cc",
@@ skipping 10 matching lines @@
   ]
 
   data_deps = []
   if (is_android) {
     data_deps += [ "//mojo/android" ]
   }
   if (!is_component_build) {
     data_deps += [ "//mojo/runner" ]
   }
 }