Enable logging from mojo_launcher

mojo/shell/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("//build/config/ui.gni")
 import("//mojo/public/mojo.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 # We don't support building in the component build since mojo apps are
 # inherently components.
 assert(!is_component_build)
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 if (!use_prebuilt_mojo_shell) {
 
 executable("mojo_shell") {
   sources = [
     "desktop/mojo_main.cc"
   ]
 
   deps = [
-    ":lib",
+    ":init",
+    ":lib",    
     "//base",
     "//build/config/sanitizers:deps",
     "//mojo/common",
     "//mojo/environment:chromium",
   ]
 }
 
 }  # !use_prebuilt_mojo_shell
 
 executable("mojo_launcher") {
   sources = [
     "launcher_main.cc"
   ]
 
   deps = [
     ":external_application_registrar_bindings",
     ":external_application_registrar_connection",
+    ":init",
     ":in_process_dynamic_service_runner",
     "//base",
     "//build/config/sanitizers:deps",
     "//mojo/common",
     "//mojo/edk/system",
     "//mojo/environment:chromium",
     "//url",
   ]
 }
 
+source_set("init") {
+  sources = [
+    "init.cc",
+    "init.h",
+  ]
+
+  deps = [
+    "//base",
+  ]
+}
+
 source_set("in_process_dynamic_service_runner") {
   sources = [
     "dynamic_service_runner.cc",
     "dynamic_service_runner.h",
     "in_process_dynamic_service_runner.cc",
     "in_process_dynamic_service_runner.h",
   ]
 
   deps = [
     "//base",
@@ skipping 26 matching lines @@
     "data_pipe_peek.h",
     "dynamic_application_loader.cc",
     "dynamic_application_loader.h",
     "external_application_listener.h",
     "external_application_listener_posix.cc",
     "external_application_listener_win.cc",
     "filename_util.cc",
     "filename_util.h",
     "incoming_connection_listener_posix.cc",
     "incoming_connection_listener_posix.h",
-    "init.cc",
-    "init.h",
     "mojo_url_resolver.cc",
     "mojo_url_resolver.h",
     "out_of_process_dynamic_service_runner.cc",
     "out_of_process_dynamic_service_runner.h",
     "switches.cc",
     "switches.h",
     "task_runners.cc",
     "task_runners.h",
     "test_child_process.cc",
     "test_child_process.h",
     "ui_application_loader_android.cc",
     "ui_application_loader_android.h",
   ]
 
   deps = [
     ":app_child_process_bindings",
     ":external_application_registrar_bindings",
+    ":init",
     ":in_process_dynamic_service_runner",
     "//base",
     "//base/third_party/dynamic_annotations",
     "//base:base_static",
     "//mojo/application",
     "//mojo/application_manager",
     "//mojo/common",
     "//mojo/edk/system",
     "//mojo/public/cpp/bindings",
     "//mojo/public/interfaces/application",
@@ skipping 220 matching lines @@
 }
 
 # GYP version: mojo/mojo.gyp:mojo_shell_test_support
 source_set("test_support") {
   sources = [
     "shell_test_helper.cc",
     "shell_test_helper.h",
   ]
 
   deps = [
+    ":init",
     ":lib",
     "//base",
     "//mojo/application_manager",
     "//mojo/edk/system",
   ]
 }
 
 test("external_application_unittests") {
   sources = [
     "incoming_connection_listener_unittest.cc",
@@ skipping 26 matching lines @@
 
     deps -= [
       ":lib",
       ":external_application_registrar_connection",
       ":external_application_registrar_bindings",
       "//mojo/shell/domain_socket",
       "//mojo/shell/domain_socket:tests",
     ]
   }
 }