ash: Use SessionController instead of SessionStateDelegate

ash/test/ash_interactive_ui_test_base.cc

 // 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.
 
 #include "ash/test/ash_interactive_ui_test_base.h"
 
+#include "base/lazy_instance.h"
 #include "base/path_service.h"
+#include "mojo/edk/embedder/embedder.h"
 #include "ui/aura/env.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 #include "ui/gl/test/gl_surface_test_support.h"
 
 namespace ash {
 namespace test {
 
+namespace {
+
+class MojoInitializer {
+ public:
+  MojoInitializer() {
+    mojo::edk::Init();
+  }
+};
+
+base::LazyInstance<MojoInitializer>::Leaky mojo_initializer;
+
+// Initialize mojo once per process.
+void InitializeMojo() {
+  mojo_initializer.Get();
+}
+
+}  // namespace
+
 AshInteractiveUITestBase::AshInteractiveUITestBase() {}
 
 AshInteractiveUITestBase::~AshInteractiveUITestBase() {}
 
 void AshInteractiveUITestBase::SetUp() {
+  InitializeMojo();
+
   gl::GLSurfaceTestSupport::InitializeOneOff();
 
   ui::RegisterPathProvider();
   ui::ResourceBundle::InitSharedInstanceWithLocale(
       "en-US", NULL, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
   base::FilePath resources_pack_path;
   PathService::Get(base::DIR_MODULE, &resources_pack_path);
   resources_pack_path =
       resources_pack_path.Append(FILE_PATH_LITERAL("resources.pak"));
   ResourceBundle::GetSharedInstance().AddDataPackFromPath(
       resources_pack_path, ui::SCALE_FACTOR_NONE);
   env_ = aura::Env::CreateInstance();
 
   test::AshTestBase::SetUp();
 }
 
 void AshInteractiveUITestBase::TearDown() {
   test::AshTestBase::TearDown();
   env_.reset();
 }
 
 }  // namespace test
 }  // namespace ash