HTML sync setup UI.

chrome/browser/sync/profile_sync_service.cc

Index: chrome/browser/sync/profile_sync_service.cc
diff --git a/chrome/browser/sync/profile_sync_service.cc b/chrome/browser/sync/profile_sync_service.cc
index 7b4f3fb526adc9f997636b64a340a8ac2f207b57..9f778f55ac879599e0fc7042839d9902be69c9ad 100644
--- a/chrome/browser/sync/profile_sync_service.cc
+++ b/chrome/browser/sync/profile_sync_service.cc
@@ -200,6 +200,7 @@ void ProfileSyncService::RegisterPreferences() {
     return;
   pref_service->RegisterInt64Pref(prefs::kSyncLastSyncedTime, 0);
   pref_service->RegisterBooleanPref(prefs::kSyncHasSetupCompleted, false);
+  pref_service->RegisterBooleanPref(prefs::kKeepEverythingSynced, false);
 
   // If you've never synced before, or if you're using Chrome OS, all datatypes
   // are on by default.
@@ -510,6 +511,15 @@ void ProfileSyncService::ShowLoginDialog() {
   }
 }
 
+void ProfileSyncService::ShowChooseDataTypes() {
+  if (WizardIsVisible()) {
+    wizard_.Focus();
+    return;
+  }
+
+  wizard_.Step(SyncSetupWizard::CHOOSE_DATA_TYPES);
+}
+
 SyncBackendHost::StatusSummary ProfileSyncService::QuerySyncStatusSummary() {
   if (backend_.get())
     return backend_->GetStatusSummary();
@@ -583,10 +593,21 @@ void ProfileSyncService::OnUserSubmittedAuth(
 }
 
 void ProfileSyncService::OnUserChoseDatatypes(bool sync_everything,
-    const syncable::ModelTypeSet& data_types) {
-  // TODO(dantasse): save sync_everything to prefs
-  // call StartSyncing(data_types)
-  // call ChangePreferredDataTypes(data_types)
+    const syncable::ModelTypeSet& chosen_types) {
+  if (!backend_.get()) {
+    NOTREACHED();
+    return;
+  }
+  profile_->GetPrefs()->SetBoolean(prefs::kKeepEverythingSynced,
+      sync_everything);
+
+  ChangePreferredDataTypes(chosen_types);
+  profile_->GetPrefs()->ScheduleSavePersistentPrefs();
+
+  // If the backend has already started syncing, that's okay;
+  // SyncerThread::Start() checks if it's already running before starting.
+  backend_->StartSyncing();
+  // TODO(dantasse): pass the chosen_types parameter through to the backend
 }
 
 void ProfileSyncService::OnUserCancelledDialog() {
@@ -719,6 +740,7 @@ void ProfileSyncService::Observe(NotificationType type,
       // TODO(sync): Less wizard, more toast.
       wizard_.Step(SyncSetupWizard::DONE);
       FOR_EACH_OBSERVER(Observer, observers_, OnStateChanged());
+
       break;
     }
     case NotificationType::SYNC_PASSPHRASE_REQUIRED: {