Adding <keygen> Content Setting (Android UI)

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

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java
index 663fb569c7f2824615ce95f97387aaf4d5193304..69838585f1d1665877cc4135a586064f8a17b92e 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePermissionsFetcher.java
@@ -72,6 +72,8 @@ public class WebsitePermissionsFetcher {
         queue.add(new PopupExceptionInfoFetcher());
         // JavaScript exceptions are host-based patterns.
         queue.add(new JavaScriptExceptionInfoFetcher());
+        // Keygen exceptions are host-based patterns.
+        queue.add(new KeygenExceptionInfoFetcher());
         // Protected media identifier permission is per-origin and per-embedder.
         queue.add(new ProtectedMediaIdentifierInfoFetcher());
         // Push notification permission is per-origin and per-embedder.
@@ -124,6 +126,9 @@ public class WebsitePermissionsFetcher {
         } else if (category.showJavaScriptSites()) {
             // JavaScript exceptions are host-based patterns.
             queue.add(new JavaScriptExceptionInfoFetcher());
+        } else if (category.showKeygenSites()) {
+            // Keygen exceptions are host-based patterns.
+            queue.add(new KeygenExceptionInfoFetcher());
         } else if (category.showNotificationsSites()) {
             // Push notification permission is per-origin and per-embedder.
             queue.add(new PushNotificationInfoFetcher());
@@ -245,6 +250,25 @@ public class WebsitePermissionsFetcher {
         }
     }
 
+    private class KeygenExceptionInfoFetcher implements Task {
+        @Override
+        public void run(TaskQueue queue) {
+            for (ContentSettingException exception :
+                    WebsitePreferenceBridge.getContentSettingsExceptions(
+                            ContentSettingsType.CONTENT_SETTINGS_TYPE_KEYGEN)) {
+                // The pattern "*" represents the default setting, not a specific website.
+                if (exception.getPattern().equals("*")) continue;
+                WebsiteAddress address = WebsiteAddress.create(exception.getPattern());
+                if (address == null) continue;
+                Set<Website> sites = findOrCreateSitesByHost(address);
+                for (Website site : sites) {
+                    site.setKeygenException(exception);
+                }
+            }
+            queue.next();
+        }
+    }
+
     private class CookieInfoFetcher implements Task {
         @Override
         public void run(TaskQueue queue) {