jni_generator: Make all object-returning natives return ScopedJavaLocalRef.

chrome/browser/invalidation/invalidation_service_factory_android.h

Index: chrome/browser/invalidation/invalidation_service_factory_android.h
diff --git a/chrome/browser/invalidation/invalidation_service_factory_android.h b/chrome/browser/invalidation/invalidation_service_factory_android.h
index c4edb3aabc1531e34016a09c93e6cf21469dade7..ed3d9aeec0d10d877faa7b844024c76e9a397287 100644
--- a/chrome/browser/invalidation/invalidation_service_factory_android.h
+++ b/chrome/browser/invalidation/invalidation_service_factory_android.h
@@ -1,4 +1,4 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
+#// Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_INVALIDATION_INVALIDATION_SERVICE_FACTORY_ANDROID_H_
 
 #include <jni.h>
+#include "base/android/scoped_java_ref.h"
 
 namespace invalidation {
 
@@ -13,8 +14,12 @@ namespace invalidation {
 // InvalidationServiceFactory.
 class InvalidationServiceFactoryAndroid {
  public:
-  static jobject GetForProfile(JNIEnv* env, jclass clazz, jobject j_profile);
-  static jobject GetForTest(JNIEnv* env, jclass clazz, jobject j_context);
+  static base::android::ScopedJavaLocalRef<jobject>
+  GetForProfile(JNIEnv* env, jclass clazz, jobject j_profile);
+
+  static base::android::ScopedJavaLocalRef<jobject>
+  GetForTest(JNIEnv* env, jclass clazz, jobject j_context);
+
   static bool Register(JNIEnv* env);
 };