Add USB device permissions to individual site settings on Android.

chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbPermission.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbPermission.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbPermission.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbPermission.java
new file mode 100644
index 0000000000000000000000000000000000000000..416c02578e09820217e0892bc453fa2d51a753f7
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbPermission.java
@@ -0,0 +1,30 @@
+// Copyright 2016 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.chrome.browser.preferences.website;
+
+import android.content.Context;
+import android.preference.Preference;
+
+import org.chromium.chrome.R;
+
+/**
+ * Preference that revokes a website's access to a USB device.
+ */
+public class UsbPermission extends Preference {
+    private final UsbInfo mInfo;
+
+    public UsbPermission(Context context, UsbInfo info) {
+        super(context);
+        mInfo = info;
+        setTitle(info.getName());
+        setWidgetLayoutResource(R.layout.usb_permission);
+        setIcon(R.drawable.settings_usb);
+        // TODO(reillyg): Add a content description.

[Theresa, 2016/07/13 00:11:58]

Can this be handled as part of this CL rather than a follow-up?

[Reilly Grant (use Gerrit), 2016/07/13 00:45:18]

Done.

+    }
+
+    public UsbInfo getInfo() {
+        return mInfo;
+    }
+}