[cros] Define session_manager component with SessionManager base class

chrome/browser/chromeos/login/session/restore_after_crash_session_manager_delegate.cc

Index: chrome/browser/chromeos/login/session/restore_after_crash_session_manager_delegate.cc
diff --git a/chrome/browser/chromeos/login/session/restore_after_crash_session_manager_delegate.cc b/chrome/browser/chromeos/login/session/restore_after_crash_session_manager_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2e834a8a5c917e91c26e690228fe15950f6407a9
--- /dev/null
+++ b/chrome/browser/chromeos/login/session/restore_after_crash_session_manager_delegate.cc
@@ -0,0 +1,72 @@
+// 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.
+
+#include "chrome/browser/chromeos/login/session/restore_after_crash_session_manager_delegate.h"
+
+#include "base/command_line.h"
+#include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/chromeos/login/session/user_session_manager.h"
+#include "chrome/browser/chromeos/login/users/user_manager.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/chrome_switches.h"
+#include "chromeos/audio/cras_audio_handler.h"
+#include "chromeos/chromeos_switches.h"
+#include "content/public/browser/notification_service.h"
+
+namespace chromeos {
+
+RestoreAfterCrashSessionManagerDelegate::
+    RestoreAfterCrashSessionManagerDelegate(Profile* profile,
+                                            const std::string& login_user_id)
+    : profile_(profile), login_user_id_(login_user_id) {
+}
+
+RestoreAfterCrashSessionManagerDelegate::
+    ~RestoreAfterCrashSessionManagerDelegate() {
+}
+
+void RestoreAfterCrashSessionManagerDelegate::Start() {
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+
+  session_manager_->SetSessionState(
+      session_manager::SessionManager::SESSION_STATE_ACTIVE);
+
+  // TODO(nkostylev): Identify tests that do not set this kLoginUser flag but
+  // still rely on "stub user" session. Keeping existing behavior to avoid
+  // breaking tests.
+  if (command_line->HasSwitch(chromeos::switches::kLoginUser)) {
+    // This is done in SessionManager::OnProfileCreated during normal login.
+    UserSessionManager::GetInstance()->InitRlz(profile());
+
+    // Send the PROFILE_PREPARED notification and call SessionStarted()
+    // so that the Launcher and other Profile dependent classes are created.
+    content::NotificationService::current()->Notify(
+        chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
+        content::NotificationService::AllSources(),
+        content::Details<Profile>(profile()));
+
+    // This call will set session state to SESSION_STATE_ACTIVE (same one).
+    UserManager::Get()->SessionStarted();
+
+    // Now is the good time to retrieve other logged in users for this session.
+    // First user has been already marked as logged in and active in
+    // PreProfileInit(). Restore sessions for other users in the background.
+    UserManager::Get()->RestoreActiveSessions();
+  }
+
+  bool is_running_test = command_line->HasSwitch(::switches::kTestName) ||
+                         command_line->HasSwitch(::switches::kTestType);
+
+  if (!is_running_test) {
+    // Enable CrasAudioHandler logging when chrome restarts after crashing.
+    if (chromeos::CrasAudioHandler::IsInitialized())
+      chromeos::CrasAudioHandler::Get()->LogErrors();
+
+    // We did not log in (we crashed or are debugging), so we need to
+    // restore Sync.
+    UserSessionManager::GetInstance()->RestoreAuthenticationSession(profile());
+  }
+}
+
+}  // namespace chromeos