Update from https://crrev.com/318214

base/android/jni_generator/golden_sample_for_tests_jni.h

 // 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.
 
 // This file is autogenerated by
 //     base/android/jni_generator/jni_generator.py
 // For
 //     org/chromium/example/jni_generator/SampleForTests
 
 #ifndef org_chromium_example_jni_generator_SampleForTests_JNI
@@ skipping 355 matching lines @@
 ")"
 "V", reinterpret_cast<void*>(IterateAndDoSomethingWithStructB) },
     { "nativeReturnAString",
 "("
 "J"
 ")"
 "Ljava/lang/String;", reinterpret_cast<void*>(ReturnAString) },
 };
 
 static bool RegisterNativesImpl(JNIEnv* env) {
+
   g_InnerStructA_clazz = reinterpret_cast<jclass>(env->NewGlobalRef(
       base::android::GetClass(env, kInnerStructAClassPath).obj()));
   g_SampleForTests_clazz = reinterpret_cast<jclass>(env->NewGlobalRef(
       base::android::GetClass(env, kSampleForTestsClassPath).obj()));
   g_InnerStructB_clazz = reinterpret_cast<jclass>(env->NewGlobalRef(
       base::android::GetClass(env, kInnerStructBClassPath).obj()));
 
   const int kMethodsSampleForTestsSize = arraysize(kMethodsSampleForTests);
 
   if (env->RegisterNatives(SampleForTests_clazz(env),
                            kMethodsSampleForTests,
                            kMethodsSampleForTestsSize) < 0) {
     jni_generator::HandleRegistrationError(
         env, SampleForTests_clazz(env), __FILE__);
     return false;
   }
 
   return true;
 }
 
 }  // namespace android
 }  // namespace base
 
 #endif  // org_chromium_example_jni_generator_SampleForTests_JNI