More shell cleanup: Move NativeRunner(Factory) to native_runner.h.

shell/application_manager/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.
 
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 
-component("application_manager") {
+source_set("application_manager") {
   output_name = "mojo_application_manager"
   sources = [
     "application_loader.h",
     "application_manager.cc",
     "application_manager.h",
     "data_pipe_peek.cc",
     "data_pipe_peek.h",
     "local_fetcher.cc",
     "local_fetcher.h",
+    "native_runner.h",
     "network_fetcher.cc",
     "network_fetcher.h",
     "fetcher.cc",
     "fetcher.h",
     "shell_impl.cc",
     "shell_impl.h",
   ]
 
-  defines = [ "MOJO_APPLICATION_MANAGER_IMPLEMENTATION" ]
-
   public_deps = [
     "//base",
     "//mojo/common",
     "//mojo/public/interfaces/application:application",
     "//mojo/services/network/public/interfaces",
     "//url",
   ]
   deps = [
     "//base/third_party/dynamic_annotations",
     "//crypto:crypto",
@@ skipping 22 matching lines @@
     "//testing/gtest",
     "//url",
   ]
 }
 
 mojom("test_bindings") {
   sources = [
     "test.mojom",
   ]
 }