Introduce NavigatorWebDriver interface

third_party/WebKit/LayoutTests/external/wpt/interfaces/html.idl

Index: third_party/WebKit/LayoutTests/external/wpt/interfaces/html.idl
diff --git a/third_party/WebKit/LayoutTests/external/wpt/interfaces/html.idl b/third_party/WebKit/LayoutTests/external/wpt/interfaces/html.idl
index e51b2a12b2238c9924de121f79133c2c55a3f88a..5f4a692e19e1fcc61ba75485cbfb82c25cc18b51 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/interfaces/html.idl
+++ b/third_party/WebKit/LayoutTests/external/wpt/interfaces/html.idl
@@ -1518,6 +1518,11 @@ interface NavigatorOnLine {
   readonly attribute boolean onLine;
 };
 
+[NoInterfaceObject, Exposed=(Window,Worker)]
+interface NavigatorWebDriver {
+  readonly attribute boolean webdriver;
+};
+
 [Constructor(DOMString type, optional ErrorEventInit eventInitDict), Exposed=(Window,Worker)]
 interface ErrorEvent : Event {
   readonly attribute DOMString message;
@@ -1675,6 +1680,7 @@ interface Navigator {
 Navigator implements NavigatorID;
 Navigator implements NavigatorLanguage;
 Navigator implements NavigatorOnLine;
+Navigator implements NavigatorWebDriver;
 Navigator implements NavigatorContentUtils;
 Navigator implements NavigatorCookies;
 Navigator implements NavigatorPlugins;
@@ -1951,6 +1957,7 @@ interface WorkerNavigator {};
 WorkerNavigator implements NavigatorID;
 WorkerNavigator implements NavigatorLanguage;
 WorkerNavigator implements NavigatorOnLine;
+WorkerNavigator implements NavigatorWebDriver;
 
 [Exposed=Worker]
 interface WorkerLocation {