Revert of Implement basic USB device enumeration on Android.

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());
-
-  return endpoint;
-}
-
-}  // namespace device