Construct USB descriptors over explicit values.

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
 bool UsbEndpointAndroid::RegisterJNI(JNIEnv* env) {
   return RegisterNativesImpl(env);  // Generated in ChromeUsbEndpoint_jni.h
 }
 
 // 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());
 
-  UsbEndpointDescriptor endpoint;
-  endpoint.address = Java_ChromeUsbEndpoint_getAddress(env, wrapper.obj());
-  endpoint.direction = static_cast<UsbEndpointDirection>(
-      Java_ChromeUsbEndpoint_getDirection(env, wrapper.obj()));
-  endpoint.maximum_packet_size =
-      Java_ChromeUsbEndpoint_getMaxPacketSize(env, wrapper.obj());
   jint attributes = Java_ChromeUsbEndpoint_getAttributes(env, wrapper.obj());
-  endpoint.synchronization_type =
-      static_cast<UsbSynchronizationType>((attributes >> 2) & 3);
-  endpoint.usage_type = static_cast<UsbUsageType>((attributes >> 4) & 3);
-  endpoint.transfer_type = static_cast<UsbTransferType>(
-      Java_ChromeUsbEndpoint_getType(env, wrapper.obj()));
-  endpoint.polling_interval =
-      Java_ChromeUsbEndpoint_getInterval(env, wrapper.obj());
+  UsbEndpointDescriptor endpoint(
+      Java_ChromeUsbEndpoint_getAddress(env, wrapper.obj()),
+      static_cast<UsbEndpointDirection>(
+          Java_ChromeUsbEndpoint_getDirection(env, wrapper.obj())),
+      Java_ChromeUsbEndpoint_getMaxPacketSize(env, wrapper.obj()),
+      static_cast<UsbSynchronizationType>((attributes >> 2) & 3),
+      static_cast<UsbTransferType>(
+          Java_ChromeUsbEndpoint_getType(env, wrapper.obj())),
+      static_cast<UsbUsageType>((attributes >> 4) & 3),
+      Java_ChromeUsbEndpoint_getInterval(env, wrapper.obj()));
 
   return endpoint;
 }
 
 }  // namespace device