Revert of Implement basic USB device enumeration on Android.

device/usb/usb_configuration_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_configuration_android.h"
-
-#include "device/usb/usb_interface_android.h"
-#include "jni/ChromeUsbConfiguration_jni.h"
-
-using base::android::ScopedJavaLocalRef;
-
-namespace device {
-
-// static
-bool UsbConfigurationAndroid::RegisterJNI(JNIEnv* env) {
-  return RegisterNativesImpl(env);  // Generated in ChromeUsbConfiguration_jni.h
-}
-
-// static
-UsbConfigDescriptor UsbConfigurationAndroid::Convert(
-    JNIEnv* env,
-    const base::android::JavaRef<jobject>& usb_configuration) {
-  ScopedJavaLocalRef<jobject> wrapper =
-      Java_ChromeUsbConfiguration_create(env, usb_configuration.obj());
-
-  UsbConfigDescriptor config;
-  config.configuration_value =
-      Java_ChromeUsbConfiguration_getConfigurationValue(env, wrapper.obj());
-  config.self_powered =
-      Java_ChromeUsbConfiguration_isSelfPowered(env, wrapper.obj());
-  config.remote_wakeup =
-      Java_ChromeUsbConfiguration_isRemoteWakeup(env, wrapper.obj());
-  config.maximum_power =
-      Java_ChromeUsbConfiguration_getMaxPower(env, wrapper.obj());
-
-  ScopedJavaLocalRef<jobjectArray> interfaces =
-      Java_ChromeUsbConfiguration_getInterfaces(env, wrapper.obj());
-  jsize count = env->GetArrayLength(interfaces.obj());
-  config.interfaces.reserve(count);
-  for (jsize i = 0; i < count; ++i) {
-    ScopedJavaLocalRef<jobject> interface(
-        env, env->GetObjectArrayElement(interfaces.obj(), i));
-    config.interfaces.push_back(UsbInterfaceAndroid::Convert(env, interface));
-  }
-
-  return config;
-}
-
-}  // namespace device