Revert of Implement basic USB device enumeration on Android.

device/usb/android/java/src/org/chromium/device/usb/ChromeUsbService.java

Index: device/usb/android/java/src/org/chromium/device/usb/ChromeUsbService.java
diff --git a/device/usb/android/java/src/org/chromium/device/usb/ChromeUsbService.java b/device/usb/android/java/src/org/chromium/device/usb/ChromeUsbService.java
deleted file mode 100644
index 834ddb189764ae726e0d98329b6a9de81fe006a6..0000000000000000000000000000000000000000
--- a/device/usb/android/java/src/org/chromium/device/usb/ChromeUsbService.java
+++ /dev/null
@@ -1,45 +0,0 @@
-// 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.
-
-package org.chromium.device.usb;
-
-import android.content.Context;
-import android.hardware.usb.UsbDevice;
-import android.hardware.usb.UsbManager;
-
-import org.chromium.base.Log;
-import org.chromium.base.annotations.CalledByNative;
-import org.chromium.base.annotations.JNINamespace;
-
-import java.util.HashMap;
-
-/**
- * Exposes android.hardware.usb.UsbManager as necessary for C++
- * device::UsbServiceAndroid.
- *
- * Lifetime is controlled by device::UsbServiceAndroid.
- */
-@JNINamespace("device")
-final class ChromeUsbService {
-    private static final String TAG = "Usb";
-
-    Context mContext;
-
-    private ChromeUsbService(Context context) {
-        mContext = context;
-        Log.v(TAG, "ChromeUsbService created.");
-    }
-
-    @CalledByNative
-    private static ChromeUsbService create(Context context) {
-        return new ChromeUsbService(context);
-    }
-
-    @CalledByNative
-    private Object[] getDevices() {
-        UsbManager manager = (UsbManager) mContext.getSystemService(Context.USB_SERVICE);
-        HashMap<String, UsbDevice> deviceList = manager.getDeviceList();
-        return deviceList.values().toArray();
-    }
-}