Remove unneeded JNI registrations.

base/android/jni_generator/testPureNativeMethodsOption.golden

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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/Test
 
 #ifndef org_chromium_example_jni_generator_Test_JNI
 #define org_chromium_example_jni_generator_Test_JNI
 
 #include <jni.h>
 
 #include "base/android/jni_generator/jni_generator_helper.h"
 
 // Step 1: forward declarations.
 namespace {
-const char kTestClassPath[] = "org/chromium/example/jni_generator/Test";
-// Leaking this jclass as we cannot use LazyInstance from some threads.
-jclass g_Test_clazz = NULL;
 
 }  // namespace
 
+extern "C"{
+
 // Step 2: method stubs.
 static jlong Method(JNIEnv* env, jobject jcaller,
     jlong nativeTest,
     jint arg1) {
   Test* native = reinterpret_cast<Test*>(nativeTest);
   CHECK_NATIVE_PTR(env, jcaller, native, "Method", 0);
   return native->Method(arg1);
 }
+__attribute__((alias("Method"), visibility("default")))
+  jlong Java_org_chromium_example_jni_1generator_Test_nativeMethod(JNIEnv* env,
+      jobject jcaller,
+    jlong nativeTest,
+    jint arg1);
+
+};
 
 // Step 3: RegisterNatives.
 
-static const JNINativeMethod kMethodsTest[] = {
-    { "nativeMethod",
-"("
-"J"
-"I"
-")"
-"J", reinterpret_cast<void*>(Method) },
-};
-
-static bool RegisterNativesImpl(JNIEnv* env) {
-  g_Test_clazz = reinterpret_cast<jclass>(env->NewGlobalRef(
-      base::android::GetClass(env, kTestClassPath).obj()));
-
-  const int kMethodsTestSize = arraysize(kMethodsTest);
-
-  if (env->RegisterNatives(g_Test_clazz,
-                           kMethodsTest,
-                           kMethodsTestSize) < 0) {
-    jni_generator::HandleRegistrationError(
-        env, g_Test_clazz, __FILE__);
-    return false;
-  }
-
-  return true;
-}
-
 #endif  // org_chromium_example_jni_generator_Test_JNI