Add a section to Site Settings listing USB devices.

chrome/android/java/src/org/chromium/chrome/browser/preferences/website/SiteSettingsPreferences.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.os.Build;
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
@@ skipping 30 matching lines @@
     static final String CAMERA_KEY = "camera";
     static final String COOKIES_KEY = "cookies";
     static final String FULLSCREEN_KEY = "fullscreen";
     static final String JAVASCRIPT_KEY = "javascript";
     static final String LOCATION_KEY = "device_location";
     static final String MEDIA_KEY = "media";
     static final String MICROPHONE_KEY = "microphone";
     static final String NOTIFICATIONS_KEY = "notifications";
     static final String POPUPS_KEY = "popups";
     static final String PROTECTED_CONTENT_KEY = "protected_content";
+    static final String STORAGE_KEY = "use_storage";
     static final String TRANSLATE_KEY = "translate";
-    static final String STORAGE_KEY = "use_storage";
+    static final String USB_KEY = "usb";
 
     static final String AUTOPLAY_MUTED_VIDEOS = "AutoplayMutedVideos";
 
     // Whether the Autoplay menu is available for display.
     boolean mAutoplayMenuAvailable = false;
 
     // Whether the Protected Content menu is available for display.
     boolean mProtectedContentMenuAvailable = false;
 
     // Whether this class is handling showing the Media sub-menu (and not the main menu).
@@ skipping 61 matching lines @@
             getPreferenceScreen().removePreference(findPreference(CAMERA_KEY));
             getPreferenceScreen().removePreference(findPreference(COOKIES_KEY));
             getPreferenceScreen().removePreference(findPreference(FULLSCREEN_KEY));
             getPreferenceScreen().removePreference(findPreference(JAVASCRIPT_KEY));
             getPreferenceScreen().removePreference(findPreference(LOCATION_KEY));
             getPreferenceScreen().removePreference(findPreference(MEDIA_KEY));
             getPreferenceScreen().removePreference(findPreference(MICROPHONE_KEY));
             getPreferenceScreen().removePreference(findPreference(NOTIFICATIONS_KEY));
             getPreferenceScreen().removePreference(findPreference(POPUPS_KEY));
             getPreferenceScreen().removePreference(findPreference(STORAGE_KEY));
+            getPreferenceScreen().removePreference(findPreference(USB_KEY));

[Ted C, 2016/08/15 20:31:59]

move down a line for alpha ordering like the keys above?

[Reilly Grant (use Gerrit), 2016/08/16 17:41:59]

Done.

             getPreferenceScreen().removePreference(findPreference(TRANSLATE_KEY));
         } else {
             // If both Autoplay and Protected Content menus are available, they'll be tucked under
             // the Media key. Otherwise, we can remove the Media menu entry.
             if (!mAutoplayMenuAvailable || !mProtectedContentMenuAvailable) {
                 getPreferenceScreen().removePreference(findPreference(MEDIA_KEY));
 
                 if (!mAutoplayMenuAvailable) {
                     getPreferenceScreen().removePreference(findPreference(AUTOPLAY_KEY));
                 }
@@ skipping 95 matching lines @@
             }
         }
 
         Preference p = findPreference(ALL_SITES_KEY);
         if (p != null) p.setOnPreferenceClickListener(this);
         p = findPreference(MEDIA_KEY);
         if (p != null) p.setOnPreferenceClickListener(this);
         // TODO(finnur): Re-move this for Storage once it can be moved to the 'Usage' menu.
         p = findPreference(STORAGE_KEY);
         if (p != null) p.setOnPreferenceClickListener(this);
+        p = findPreference(USB_KEY);
+        if (p != null) p.setOnPreferenceClickListener(this);
     }
 
     @Override
     public void onResume() {
         super.onResume();
         updatePreferenceStates();
     }
 
     // OnPreferenceClickListener:
 
     @Override
     public boolean onPreferenceClick(Preference preference) {
         preference.getExtras().putString(
                 SingleCategoryPreferences.EXTRA_CATEGORY, preference.getKey());
         preference.getExtras().putString(SingleCategoryPreferences.EXTRA_TITLE,
                 preference.getTitle().toString());
         return false;
     }
 
     private void setTranslateStateSummary(Preference translatePref) {
         boolean translateEnabled = PrefServiceBridge.getInstance().isTranslateEnabled();
         translatePref.setSummary(translateEnabled
                 ? R.string.website_settings_category_ask
                 : R.string.website_settings_category_blocked);
     }
 }