Revert of jni_generator: Make all object-returning natives return ScopedJavaLocalRef.

components/variations/android/variations_associated_data_android.cc

Index: components/variations/android/variations_associated_data_android.cc
diff --git a/components/variations/android/variations_associated_data_android.cc b/components/variations/android/variations_associated_data_android.cc
index 7bd2800fe5ed10f028617a18ce615d49823bb153..db14d8ff0e8a87de90675ea8c78c7b6d159bffec 100644
--- a/components/variations/android/variations_associated_data_android.cc
+++ b/components/variations/android/variations_associated_data_android.cc
@@ -17,15 +17,15 @@
 
 namespace android {
 
-ScopedJavaLocalRef<jstring> GetVariationParamValue(JNIEnv* env,
-                                                   jclass clazz,
-                                                   jstring jtrial_name,
-                                                   jstring jparam_name) {
+jstring GetVariationParamValue(JNIEnv* env,
+                               jclass clazz,
+                               jstring jtrial_name,
+                               jstring jparam_name) {
   std::string trial_name(ConvertJavaStringToUTF8(env, jtrial_name));
   std::string param_name(ConvertJavaStringToUTF8(env, jparam_name));
   std::string param_value =
       variations::GetVariationParamValue(trial_name, param_name);
-  return ConvertUTF8ToJavaString(env, param_value);
+  return ConvertUTF8ToJavaString(env, param_value).Release();
 }
 
 bool RegisterVariationsAssociatedData(JNIEnv* env) {