Add a section to Site Settings listing USB devices.

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

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/website/SiteSettingsCategory.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/SiteSettingsCategory.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/SiteSettingsCategory.java
index 8f880eb36a5148403dd148b31c6b6b3c8a0b502f..b4c31a7ed082a73a182a4baa91948a6dc123f258 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/SiteSettingsCategory.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/SiteSettingsCategory.java
@@ -45,6 +45,7 @@ public class SiteSettingsCategory {
     public static final String CATEGORY_POPUPS = "popups";
     public static final String CATEGORY_PROTECTED_MEDIA = "protected_content";
     public static final String CATEGORY_USE_STORAGE = "use_storage";
+    public static final String CATEGORY_USB = "usb";
 
     // The id of this category.
     private String mCategory;
@@ -131,6 +132,10 @@ public class SiteSettingsCategory {
         if (CATEGORY_USE_STORAGE.equals(category)) {
             return new SiteSettingsCategory(CATEGORY_USE_STORAGE, "", -1);
         }
+        if (CATEGORY_USB.equals(category)) {
+            return new SiteSettingsCategory(
+                    CATEGORY_USB, "", ContentSettingsType.CONTENT_SETTINGS_TYPE_USB_CHOOSER_DATA);
+        }
 
         return null;
     }
@@ -175,6 +180,9 @@ public class SiteSettingsCategory {
                 == ContentSettingsType.CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER) {
             return fromString(CATEGORY_PROTECTED_MEDIA);
         }
+        if (contentSettingsType == ContentSettingsType.CONTENT_SETTINGS_TYPE_USB_CHOOSER_DATA) {
+            return fromString(CATEGORY_USB);
+        }
 
         return null;
     }
@@ -281,6 +289,13 @@ public class SiteSettingsCategory {
     }
 
     /**
+     * Returns whether this category is the USB category.
+     */
+    public boolean showUsbDevices() {
+        return mContentSettingsType == ContentSettingsType.CONTENT_SETTINGS_TYPE_USB_CHOOSER_DATA;
+    }
+
+    /**
      * Returns whether the current category is managed either by enterprise policy or by the
      * custodian of a supervised account.
      */