Clean up PrefServiceBuilder

android_webview/browser/aw_browser_context.cc

Index: android_webview/browser/aw_browser_context.cc
diff --git a/android_webview/browser/aw_browser_context.cc b/android_webview/browser/aw_browser_context.cc
index 70c25070c6a1b542edfeb774a14fb51c54764d2b..57bed1a27b05edc7a322341ce24a19d5038d3b72 100644
--- a/android_webview/browser/aw_browser_context.cc
+++ b/android_webview/browser/aw_browser_context.cc
@@ -98,8 +98,7 @@ AwBrowserContext::AwBrowserContext(
     const FilePath path,
     JniDependencyFactory* native_factory)
     : context_storage_path_(path),
-      native_factory_(native_factory),
-      user_pref_service_ready_(false) {
+      native_factory_(native_factory) {
   DCHECK(g_browser_context == NULL);
   g_browser_context = this;
 
@@ -199,10 +198,9 @@ AwFormDatabaseService* AwBrowserContext::GetFormDatabaseService() {
 
 // Create user pref service for autofill functionality.
 void AwBrowserContext::CreateUserPrefServiceIfNecessary() {
-  if (user_pref_service_ready_)
+  if (user_pref_service_)
     return;
 
-  user_pref_service_ready_ = true;
   PrefRegistrySimple* pref_registry = new PrefRegistrySimple();
   // We only use the autocomplete feature of the Autofill, which is
   // controlled via the manager_delegate. We don't use the rest
@@ -214,12 +212,12 @@ void AwBrowserContext::CreateUserPrefServiceIfNecessary() {
   pref_registry->RegisterDoublePref(
       autofill::prefs::kAutofillNegativeUploadRate, 0.0);
 
-  PrefServiceBuilder pref_service_builder;
-  pref_service_builder.WithUserPrefs(new AwPrefStore());
-  pref_service_builder.WithReadErrorCallback(base::Bind(&HandleReadError));
+  base::PrefServiceBuilder pref_service_builder;
+  pref_service_builder.set_user_prefs(make_scoped_refptr(new AwPrefStore()));
+  pref_service_builder.set_read_error_callback(base::Bind(&HandleReadError));
+  user_pref_service_ = pref_service_builder.Create(pref_registry).Pass();
 
-  user_prefs::UserPrefs::Set(this,
-                             pref_service_builder.Create(pref_registry));
+  user_prefs::UserPrefs::Set(this, user_pref_service_.get());
 }
 
 base::FilePath AwBrowserContext::GetPath() const {