Centralize mojo edk initialization path for some unit tests.

components/test/components_test_suite.cc

 // Copyright 2016 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.
 
 #include "components/test/components_test_suite.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/path_service.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 #include "build/build_config.h"
 #include "components/content_settings/core/common/content_settings_pattern.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 #include "url/url_util.h"
 
 #if !defined(OS_IOS)
 #include "content/public/test/test_content_client_initializer.h"
 #include "content/public/test/unittest_test_suite.h"
-#include "mojo/edk/embedder/embedder.h"
 #include "ui/gl/test/gl_surface_test_support.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
 #include "components/gcm_driver/instance_id/android/component_jni_registrar.h"
 #include "components/invalidation/impl/android/component_jni_registrar.h"
 #include "components/policy/core/browser/android/component_jni_registrar.h"
 #include "components/safe_json/android/component_jni_registrar.h"
 #include "components/signin/core/browser/android/component_jni_registrar.h"
@@ skipping 108 matching lines @@
   auto test_suite = base::MakeUnique<ComponentsTestSuite>(argc, argv);
 #endif
 
   // The listener will set up common test environment for all components unit
   // tests.
   testing::TestEventListeners& listeners =
       testing::UnitTest::GetInstance()->listeners();
   listeners.Append(new ComponentsUnitTestEventListener());
 
 #if !defined(OS_IOS)
-  mojo::edk::Init();
   return base::Bind(&content::UnitTestTestSuite::Run, std::move(test_suite));
 #else
   return base::Bind(&base::TestSuite::Run, std::move(test_suite));
 #endif
 }