components: Move user_prefs into user_prefs namespace.

android_webview/browser/aw_autofill_manager_delegate.cc

Index: android_webview/browser/aw_autofill_manager_delegate.cc
diff --git a/android_webview/browser/aw_autofill_manager_delegate.cc b/android_webview/browser/aw_autofill_manager_delegate.cc
index 7d78b8ca620f3479b902c75779a5424a95c16111..46b43ad71fc47e9edea9804ba7c9807d669bf1fb 100644
--- a/android_webview/browser/aw_autofill_manager_delegate.cc
+++ b/android_webview/browser/aw_autofill_manager_delegate.cc
@@ -21,7 +21,7 @@ namespace {
 void HandleReadError(PersistentPrefStore::PrefReadError error) {
 }
 
-}
+}  // namespace
 
 namespace android_webview {
 
@@ -39,7 +39,7 @@ AwAutofillManagerDelegate::AwAutofillManagerDelegate(bool enabled) {
   pref_service_builder.WithReadErrorCallback(base::Bind(&HandleReadError));
 
   AwBrowserContext* context = AwContentBrowserClient::GetAwBrowserContext();
-  components::UserPrefs::Set(context,
+  user_prefs::UserPrefs::Set(context,
                              pref_service_builder.Create(pref_registry));
 }
 
@@ -58,7 +58,7 @@ bool AwAutofillManagerDelegate::GetSaveFormData() {
 }
 
 PrefService* AwAutofillManagerDelegate::GetPrefs() {
-  return components::UserPrefs::Get(
+  return user_prefs::UserPrefs::Get(
       AwContentBrowserClient::GetAwBrowserContext());
 }