Revert of Implement basic USB device enumeration on Android.

device/usb/usb_device_android.h

-// 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.
-
-#ifndef DEVICE_USB_USB_DEVICE_ANDROID_H_
-#define DEVICE_USB_USB_DEVICE_ANDROID_H_
-
-#include "base/android/scoped_java_ref.h"
-#include "device/usb/usb_device.h"
-
-namespace device {
-
-class UsbDeviceAndroid : public UsbDevice {
- public:
-  // Register C++ methods exposed to Java using JNI.
-  static bool RegisterJNI(JNIEnv* env);
-
-  static scoped_refptr<UsbDeviceAndroid> Create(
-      JNIEnv* env,
-      const base::android::JavaRef<jobject>& usb_device);
-
-  // UsbDevice:
-  void Open(const OpenCallback& callback) override;
-  const UsbConfigDescriptor* GetActiveConfiguration() override;
-
- private:
-  UsbDeviceAndroid(JNIEnv* env,
-                   uint16_t vendor_id,
-                   uint16_t product_id,
-                   const base::string16& manufacturer_string,
-                   const base::string16& product_string,
-                   const base::string16& serial_number,
-                   const base::android::JavaRef<jobject>& wrapper);
-  ~UsbDeviceAndroid() override;
-
-  // Java object org.chromium.device.usb.ChromeUsbDevice.
-  base::android::ScopedJavaGlobalRef<jobject> j_object_;
-};
-
-}  // namespace device
-
-#endif  // DEVICE_USB_USB_DEVICE_ANDROID_H_