Allow script to request durable storage permission (chrome side)

chrome/browser/content_settings/permission_context_uma_util.cc

Index: chrome/browser/content_settings/permission_context_uma_util.cc
diff --git a/chrome/browser/content_settings/permission_context_uma_util.cc b/chrome/browser/content_settings/permission_context_uma_util.cc
index cb2af3914f54879d57b0553bdedfc76ea0cd9d43..fe1c02a158394c3b76d62ac8c1a813b6eaa12206 100644
--- a/chrome/browser/content_settings/permission_context_uma_util.cc
+++ b/chrome/browser/content_settings/permission_context_uma_util.cc
@@ -128,6 +128,13 @@ void RecordPermissionAction(ContentSettingsType permission,
             action);
         break;
 #endif
+      case CONTENT_SETTINGS_TYPE_DURABLE_STORAGE:
+        PERMISSION_ACTION_UMA(  // Cargo culted
+            secure_origin, "ContentSettings.PermissionActions_DurableStorage",
+            "ContentSettings.PermissionActionsSecureOrigin_DurableStorage",
+            "ContentSettings.PermissionActionsInsecureOrigin_DurableStorage",
+            action);
+        break;
       default:
         NOTREACHED() << "PERMISSION " << permission << " not accounted for";
     }
@@ -169,6 +176,9 @@ void RecordPermissionRequest(ContentSettingsType permission,
       type = PermissionType::PROTECTED_MEDIA_IDENTIFIER;
       break;
 #endif
+    case CONTENT_SETTINGS_TYPE_DURABLE_STORAGE:
+      type = content::PermissionType::DURABLE_STORAGE;
+      break;
     default:
       NOTREACHED() << "PERMISSION " << permission << " not accounted for";
       return;