[cros] Define session_manager component with SessionManager base class

chrome/browser/chromeos/login/login_utils_browsertest.cc

Index: chrome/browser/chromeos/login/login_utils_browsertest.cc
diff --git a/chrome/browser/chromeos/login/login_utils_browsertest.cc b/chrome/browser/chromeos/login/login_utils_browsertest.cc
index 62b4be1a4a539b87c0af48691c99df66ae4b9530..78adc4238f30f2f250abaeceb6ccca3669fd4a95 100644
--- a/chrome/browser/chromeos/login/login_utils_browsertest.cc
+++ b/chrome/browser/chromeos/login/login_utils_browsertest.cc
@@ -18,6 +18,7 @@
 #include "base/threading/thread.h"
 #include "chrome/browser/chrome_content_browser_client.h"
 #include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/input_method/input_method_configuration.h"
 #include "chrome/browser/chromeos/input_method/mock_input_method_manager.h"
 #include "chrome/browser/chromeos/login/auth/authenticator.h"
@@ -258,6 +259,9 @@ class LoginUtilsTest : public testing::Test,
                                         NULL, NULL));
     browser_process_->SetIOThread(io_thread_state_.get());
 
+    browser_process_->platform_part()->InitializeSessionManager(
+        *CommandLine::ForCurrentProcess(), NULL, true);
+
 #if defined(ENABLE_RLZ)
     rlz_initialized_cb_ = base::Bind(&base::DoNothing);
     rlz_lib::testing::SetRlzStoreDirectory(scoped_temp_dir_.path());
@@ -276,11 +280,13 @@ class LoginUtilsTest : public testing::Test,
 
     message_center::MessageCenter::Shutdown();
 
-    test_user_manager_.reset();
+    KioskAppManager::Shutdown();
 
     InvokeOnIO(
         base::Bind(&LoginUtilsTest::TearDownOnIO, base::Unretained(this)));
 
+    test_user_manager_.reset();
+
     // LoginUtils instance must not outlive Profile instances.
     LoginUtils::Set(NULL);