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

components/safe_json/json_sanitizer_android.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/safe_json/json_sanitizer.h"
 
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
@@ skipping 55 matching lines @@
     OnError("Unsupported encoding");
     return;
   }
 
   JNIEnv* env = base::android::AttachCurrentThread();
   base::android::ScopedJavaLocalRef<jstring> unsafe_json_java =
       base::android::ConvertUTF8ToJavaString(env, unsafe_json);
 
   // This will synchronously call either OnSuccess() or OnError().
   Java_JsonSanitizer_sanitize(env, reinterpret_cast<jlong>(this),
-                              unsafe_json_java.obj());
+                              unsafe_json_java);
 }
 
 void JsonSanitizerAndroid::OnSuccess(const std::string& json) {
   base::SequencedTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(success_callback_, json));
 }
 
 void JsonSanitizerAndroid::OnError(const std::string& error) {
   base::SequencedTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(error_callback_, error));
@@ skipping 29 matching lines @@
   JsonSanitizerAndroid sanitizer(success_callback, error_callback);
   sanitizer.Sanitize(unsafe_json);
 }
 
 // static
 bool JsonSanitizer::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace safe_json