jni_generator: remove obsolete/unused features.

base/android/jni_generator/testNativeExportsOptionalOption.golden

 // 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 214 matching lines @@
     { "nativeMethod",
 "("
 "J"
 "I"
 ")"
 "I",
     reinterpret_cast<void*>(Java_org_chromium_example_jni_1generator_SampleForTests_nativeMethod)
     },
 };
 
-static bool RegisterNativesImpl(JNIEnv* env, jclass clazz) {
+static bool RegisterNativesImpl(JNIEnv* env) {
   if (base::android::IsManualJniRegistrationDisabled()) return true;
 
-  base::subtle::Release_Store(&g_SampleForTests_clazz,
-      static_cast<base::subtle::AtomicWord>(env->NewWeakGlobalRef(clazz));
-
   const int kMethodsMyOtherInnerClassSize =
       arraysize(kMethodsMyOtherInnerClass);
 
   if (env->RegisterNatives(MyOtherInnerClass_clazz(env),
                            kMethodsMyOtherInnerClass,
                            kMethodsMyOtherInnerClassSize) < 0) {
     jni_generator::HandleRegistrationError(
         env, MyOtherInnerClass_clazz(env), __FILE__);
     return false;
   }
@@ skipping 14 matching lines @@
                            kMethodsSampleForTests,
                            kMethodsSampleForTestsSize) < 0) {
     jni_generator::HandleRegistrationError(
         env, SampleForTests_clazz(env), __FILE__);
     return false;
   }
 
   return true;
 }
 
-extern "C" JNIEXPORT bool JNICALL
-Java_org_chromium_example_jni_1generator_SampleForTests_nativeInitNativeClass(JNIEnv*
-    env, jclass clazz) {
-  return RegisterNativesImpl(env, clazz);
-}
-
 #endif  // org_chromium_example_jni_generator_SampleForTests_JNI