[Clank] Load/Remove persistent license

media/base/android/android_util.h

 // Copyright 2017 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.
 
 #include <memory>
 #include <string>
 
 #include "base/android/scoped_java_ref.h"
 
 namespace media {
 
 using JavaObjectPtr =
     std::unique_ptr<base::android::ScopedJavaGlobalRef<jobject>>;
 
 // Converts jbyteArray (byte[] in Java) into std::string.
 std::string JavaBytesToString(JNIEnv* env, jbyteArray j_byte_array);
 
+// Converts std::string to jbyteArray (byte[] in Java).
+base::android::ScopedJavaLocalRef<jbyteArray> StringToJavaBytes(
+    JNIEnv* env,
+    const std::string& str);
+
 // A helper method to create a JavaObjectPtr.
 JavaObjectPtr CreateJavaObjectPtr(jobject object);
 
 }  // namespace media