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

device/usb/usb_endpoint_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 "device/usb/usb_endpoint_android.h"
 
 #include "jni/ChromeUsbEndpoint_jni.h"
 
 namespace device {
 
 // static
 UsbEndpointDescriptor UsbEndpointAndroid::Convert(
     JNIEnv* env,
     const base::android::JavaRef<jobject>& usb_endpoint) {
   base::android::ScopedJavaLocalRef<jobject> wrapper =
-      Java_ChromeUsbEndpoint_create(env, usb_endpoint.obj());
+      Java_ChromeUsbEndpoint_create(env, usb_endpoint);
 
   UsbEndpointDescriptor endpoint(
-      Java_ChromeUsbEndpoint_getAddress(env, wrapper.obj()),
-      Java_ChromeUsbEndpoint_getAttributes(env, wrapper.obj()),
-      Java_ChromeUsbEndpoint_getMaxPacketSize(env, wrapper.obj()),
-      Java_ChromeUsbEndpoint_getInterval(env, wrapper.obj()));
+      Java_ChromeUsbEndpoint_getAddress(env, wrapper),
+      Java_ChromeUsbEndpoint_getAttributes(env, wrapper),
+      Java_ChromeUsbEndpoint_getMaxPacketSize(env, wrapper),
+      Java_ChromeUsbEndpoint_getInterval(env, wrapper));
 
   return endpoint;
 }
 
 }  // namespace device