Implemented clearing Java prefs after pulling variations first run seed from Java to C++ side

components/variations/android/variations_seed_bridge.cc

 // Copyright 2015 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 "components/variations/android/variations_seed_bridge.h"
 
 #include <jni.h>
 #include <vector>
 
 #include "base/android/jni_android.h"
@@ skipping 37 matching lines @@
       Java_VariationsSeedBridge_getVariationsFirstRunSeedSignature(
           env, GetApplicationContext());
   ScopedJavaLocalRef<jstring> j_seed_country =
       Java_VariationsSeedBridge_getVariationsFirstRunSeedCountry(
           env, GetApplicationContext());
   *seed_data = JavaByteArrayToString(env, j_seed_data.obj());
   *seed_signature = ConvertJavaStringToUTF8(j_seed_signature);
   *seed_country = ConvertJavaStringToUTF8(j_seed_country);
 }
 
+void ClearJavaFirstRunPrefs() {
+  JNIEnv* env = AttachCurrentThread();
+  Java_VariationsSeedBridge_clearFirstRunPrefs(env, GetApplicationContext());
+}
+
+void MarkVariationsSeedAsStored() {
+  JNIEnv* env = AttachCurrentThread();
+  Java_VariationsSeedBridge_markVariationsSeedAsStored(env,
+                                                       GetApplicationContext());
+}
+
 }  // namespace android
 }  // namespace variations