Remove now-unnecessary .obj() in Java method calls.

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 <stdint.h>
 #include <vector>
 
@@ skipping 71 matching lines @@
                                                        GetApplicationContext());
 }
 
 void SetJavaFirstRunPrefsForTesting(const std::string& seed_data,
                                     const std::string& seed_signature,
                                     const std::string& seed_country,
                                     const std::string& response_date,
                                     bool is_gzip_compressed) {
   JNIEnv* env = AttachCurrentThread();
   Java_VariationsSeedBridge_setVariationsFirstRunSeed(
-      env, GetApplicationContext(), StringToJavaByteArray(env, seed_data).obj(),
-      ConvertUTF8ToJavaString(env, seed_signature).obj(),
-      ConvertUTF8ToJavaString(env, seed_country).obj(),
-      ConvertUTF8ToJavaString(env, response_date).obj(),
+      env, GetApplicationContext(), StringToJavaByteArray(env, seed_data),
+      ConvertUTF8ToJavaString(env, seed_signature),
+      ConvertUTF8ToJavaString(env, seed_country),
+      ConvertUTF8ToJavaString(env, response_date),
       static_cast<jboolean>(is_gzip_compressed));
 }
 
 }  // namespace android
 }  // namespace variations