Remove unneeded JNI registrations.

base/android/jni_generator/testNativesLong.golden

Index: base/android/jni_generator/testNativesLong.golden
diff --git a/base/android/jni_generator/testNativesLong.golden b/base/android/jni_generator/testNativesLong.golden
index 24d4a15074cddcece3828a298034d51c3c204c3d..47982cf5e55243a08079fbe5ed7463bc46f87880 100644
--- a/base/android/jni_generator/testNativesLong.golden
+++ b/base/android/jni_generator/testNativesLong.golden
@@ -16,12 +16,11 @@
 
 // Step 1: forward declarations.
 namespace {
-const char kTestJniClassPath[] = "org/chromium/TestJni";
-// Leaking this jclass as we cannot use LazyInstance from some threads.
-jclass g_TestJni_clazz = NULL;
 
 }  // namespace
 
+extern "C"{
+
 // Step 2: method stubs.
 static void Destroy(JNIEnv* env, jobject jcaller,
     jlong nativeChromeBrowserProvider) {
@@ -30,32 +29,13 @@ static void Destroy(JNIEnv* env, jobject jcaller,
   CHECK_NATIVE_PTR(env, jcaller, native, "Destroy");
   return native->Destroy(env, jcaller);
 }
+__attribute__((alias("Destroy"), visibility("default")))
+  void Java_org_chromium_TestJni_nativeDestroy(JNIEnv* env,
+      jobject jcaller,
+    jlong nativeChromeBrowserProvider);
 
-// Step 3: RegisterNatives.
-
-static const JNINativeMethod kMethodsTestJni[] = {
-    { "nativeDestroy",
-"("
-"J"
-")"
-"V", reinterpret_cast<void*>(Destroy) },
 };
 
-static bool RegisterNativesImpl(JNIEnv* env) {
-  g_TestJni_clazz = reinterpret_cast<jclass>(env->NewGlobalRef(
-      base::android::GetClass(env, kTestJniClassPath).obj()));
-
-  const int kMethodsTestJniSize = arraysize(kMethodsTestJni);
-
-  if (env->RegisterNatives(g_TestJni_clazz,
-                           kMethodsTestJni,
-                           kMethodsTestJniSize) < 0) {
-    jni_generator::HandleRegistrationError(
-        env, g_TestJni_clazz, __FILE__);
-    return false;
-  }
-
-  return true;
-}
+// Step 3: RegisterNatives.
 
 #endif  // org_chromium_TestJni_JNI