Add a section to Site Settings listing USB devices.

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

 // 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.chrome.browser.preferences.website;
 
 import android.util.Pair;
 
 import org.chromium.base.Callback;
 import org.chromium.chrome.browser.ContentSettingsType;
@@ skipping 122 matching lines @@
             queue.add(new NotificationInfoFetcher());
         } else if (category.showBackgroundSyncSites()) {
             // Background sync info is per-origin.
             queue.add(new BackgroundSyncExceptionInfoFetcher());
         } else if (category.showProtectedMediaSites()) {
             // Protected media identifier permission is per-origin and per-embedder.
             queue.add(new ProtectedMediaIdentifierInfoFetcher());
         } else if (category.showAutoplaySites()) {
             // Autoplay permission is per-origin.
             queue.add(new AutoplayExceptionInfoFetcher());
+        } else if (category.showUsbDevices()) {
+            // USB device permission is per-origin.
+            queue.add(new UsbInfoFetcher());
         }
         queue.add(new PermissionsAvailableCallbackRunner());
         queue.next();
     }
 
     private Website findOrCreateSite(WebsiteAddress origin, WebsiteAddress embedder) {
         // In Jelly Bean a null value triggers a NullPointerException in Pair.hashCode(). Storing
         // the origin twice works around it and won't conflict with other entries as this is how the
         // native code indicates to this class that embedder == origin.  https://crbug.com/636330
         Pair<WebsiteAddress, WebsiteAddress> key =
@@ skipping 253 matching lines @@
         }
     }
 
     private class PermissionsAvailableCallbackRunner extends Task {
         @Override
         public void run() {
             mCallback.onWebsitePermissionsAvailable(mSites.values());
         }
     }
 }