[win] Add signin support for the app launcher.

chrome/browser/ui/sync/one_click_signin_sync_starter.cc

Index: chrome/browser/ui/sync/one_click_signin_sync_starter.cc
diff --git a/chrome/browser/ui/sync/one_click_signin_sync_starter.cc b/chrome/browser/ui/sync/one_click_signin_sync_starter.cc
index 295df44c0f37e40ffe93e4836a0d82d6b217959e..3be7fc576c964ca46d4f5438baeb0ddc1fb4507d 100644
--- a/chrome/browser/ui/sync/one_click_signin_sync_starter.cc
+++ b/chrome/browser/ui/sync/one_click_signin_sync_starter.cc
@@ -18,29 +18,30 @@
 #include "chrome/common/url_constants.h"
 
 OneClickSigninSyncStarter::OneClickSigninSyncStarter(
+    Profile* profile,
     Browser* browser,
     const std::string& session_index,
     const std::string& email,
     const std::string& password,
     StartSyncMode start_mode)
-    : browser_(browser),
-      signin_tracker_(browser_->profile(), this),
+    : profile_(profile),
+      browser_(browser),
+      signin_tracker_(profile_, this),
       start_mode_(start_mode) {
-  DCHECK(browser_);
+  DCHECK(profile_);
 
   // Let the sync service know that setup is in progress so it doesn't start
   // syncing until the user has finished any configuration.
   ProfileSyncService* profile_sync_service =
-      ProfileSyncServiceFactory::GetForProfile(browser_->profile());
+      ProfileSyncServiceFactory::GetForProfile(profile_);
   profile_sync_service->SetSetupInProgress(true);
 
   // Make sure the syncing is not suppressed, otherwise the SigninManager
   // will not be able to compelte sucessfully.
-  browser_sync::SyncPrefs sync_prefs(browser_->profile()->GetPrefs());
+  browser_sync::SyncPrefs sync_prefs(profile_->GetPrefs());
   sync_prefs.SetStartSuppressed(false);
 
-  SigninManager* manager = SigninManagerFactory::GetForProfile(
-      browser_->profile());
+  SigninManager* manager = SigninManagerFactory::GetForProfile(profile_);
   manager->StartSignInWithCredentials(session_index, email, password);
 }
 
@@ -53,14 +54,14 @@ void OneClickSigninSyncStarter::GaiaCredentialsValid() {
 void OneClickSigninSyncStarter::SigninFailed(
     const GoogleServiceAuthError& error) {
   ProfileSyncService* profile_sync_service =
-      ProfileSyncServiceFactory::GetForProfile(browser_->profile());
+      ProfileSyncServiceFactory::GetForProfile(profile_);
   profile_sync_service->SetSetupInProgress(false);
   delete this;
 }
 
 void OneClickSigninSyncStarter::SigninSuccess() {
   ProfileSyncService* profile_sync_service =
-      ProfileSyncServiceFactory::GetForProfile(browser_->profile());
+      ProfileSyncServiceFactory::GetForProfile(profile_);
 
   switch (start_mode_) {
     case SYNC_WITH_DEFAULT_SETTINGS:
@@ -74,11 +75,10 @@ void OneClickSigninSyncStarter::SigninSuccess() {
       // ProfileSyncService::setup_in_progress flag because we don't want sync
       // to start up until after the configure UI is displayed (the configure UI
       // will clear the flag when the user is done setting up sync).
-      LoginUIService* login_ui = LoginUIServiceFactory::GetForProfile(
-          browser_->profile());
+      LoginUIService* login_ui = LoginUIServiceFactory::GetForProfile(profile_);
       if (login_ui->current_login_ui()) {
         login_ui->current_login_ui()->FocusUI();
-      } else {
+      } else if (browser_) {
         // Need to navigate to the settings page and display the UI.
         chrome::ShowSettingsSubPage(browser_, chrome::kSyncSetupSubPage);
       }