jni_generator: Make all object-returning natives return ScopedJavaLocalRef.

ui/base/l10n/l10n_util_android.cc

Index: ui/base/l10n/l10n_util_android.cc
diff --git a/ui/base/l10n/l10n_util_android.cc b/ui/base/l10n/l10n_util_android.cc
index 63e0f8247fa0dd51016b54c1b8ea9980da01b159..55cd4b2f273e9ad574aa6705c66e9bb8c566274d 100644
--- a/ui/base/l10n/l10n_util_android.cc
+++ b/ui/base/l10n/l10n_util_android.cc
@@ -92,14 +92,16 @@ base::string16 GetDisplayNameForLocale(const std::string& locale,
   return ConvertJavaStringToUTF16(java_result);
 }
 
-jstring GetDurationString(JNIEnv* env, jclass clazz, jlong timeInMillis) {
+ScopedJavaLocalRef<jstring> GetDurationString(JNIEnv* env,
+                                              jclass clazz,
+                                              jlong timeInMillis) {
   ScopedJavaLocalRef<jstring> jtime_remaining =
       base::android::ConvertUTF16ToJavaString(
           env,
           ui::TimeFormat::Simple(
               ui::TimeFormat::FORMAT_REMAINING, ui::TimeFormat::LENGTH_SHORT,
               base::TimeDelta::FromMilliseconds(timeInMillis)));
-  return jtime_remaining.Release();
+  return jtime_remaining;
 }
 
 bool RegisterLocalizationUtil(JNIEnv* env) {