user_manager: Remove deps on session_manager

components/session_manager/core/session_manager.cc

 // 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 "components/session_manager/core/session_manager.h"
 
 #include "base/logging.h"
 #include "build/build_config.h"
 
 namespace session_manager {
 
 // static
 SessionManager* SessionManager::instance = NULL;
 
-SessionManager::SessionManager() : session_state_(SessionState::UNKNOWN) {
+SessionManager::SessionManager() {
   DCHECK(!SessionManager::Get());
   SessionManager::SetInstance(this);
 }
 
 SessionManager::~SessionManager() {
   DCHECK(instance == this);
   SessionManager::SetInstance(NULL);
 }
 
 // static
 SessionManager* SessionManager::Get() {
   return SessionManager::instance;
 }
 
 void SessionManager::SetSessionState(SessionState state) {
   VLOG(1) << "Changing session state to: " << static_cast<int>(state);
 
   if (session_state_ != state) {
     // TODO(nkostylev): Notify observers about the state change.
     // TODO(nkostylev): Add code to process session state change and probably
     // replace delegate_ if needed.
     session_state_ = state;
   }
 }
 
+bool SessionManager::IsSessionStarted() const {
+  return session_started_;
+}
+
+void SessionManager::SessionStarted() {
+  session_started_ = true;
+}
+
 void SessionManager::Initialize(SessionManagerDelegate* delegate) {
   DCHECK(delegate);
   delegate_.reset(delegate);
   delegate_->SetSessionManager(this);
 }
 
 // static
 void SessionManager::SetInstance(SessionManager* session_manager) {
   SessionManager::instance = session_manager;
 }
 
 void SessionManager::Start() {
   delegate_->Start();
 }
 
-SessionManagerDelegate::SessionManagerDelegate() : session_manager_(NULL) {
+SessionManagerDelegate::SessionManagerDelegate() {
 }
 
 SessionManagerDelegate::~SessionManagerDelegate() {
 }
 
 void SessionManagerDelegate::SetSessionManager(
     session_manager::SessionManager* session_manager) {
   session_manager_ = session_manager;
 }
 
 }  // namespace session_manager