[WIP] Add DCHECK for mojo::edk::Init().

chromecast/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("//build/buildflag_header.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//chromecast/build/tests/cast_test.gni")
@@ skipping 272 matching lines @@
     build_list_path = "$root_out_dir/junit/build_junit_test_list.txt"
     run_list_path = "$root_out_dir/junit/run_junit_test_list.txt"
     build_tests = true
     test_groups = [ ":cast_junit_tests" ]
   }
 }
 
 test("cast_shell_unittests") {
   deps = [
     ":cast_shell_lib",
-    "//chromecast/app:test_support",
     "//chromecast/app:unittests",
+    "//chromecast/app:unittests_main",
     "//chromecast/browser:unittests",
     "//ui/gl:test_support",
   ]
 }
 
 test("cast_shell_browsertests") {
   deps = [
     ":cast_shell_lib",
-    "//chromecast/app:test_support",
+    "//chromecast/app:browsertests_main",
     "//chromecast/browser:browsertests",
   ]
 }
 
 group("cast_shell_lib") {
   data_deps = [
     ":cast_shell_pak",
   ]
 
   deps = [
@@ skipping 141 matching lines @@
     shared_libraries = [ "//chromecast/android:libcast_shell_android" ]
 
     deps = [
       ":cast_shell_apk_assets",
       "//base:base_java",
       "//chromecast/android:libcast_shell_android",
       "//chromecast/browser/android:cast_shell_java",
     ]
   }
 }