Introduce NavigatorWebDriver interface

third_party/WebKit/Source/core/frame/Settings.json5

Index: third_party/WebKit/Source/core/frame/Settings.json5
diff --git a/third_party/WebKit/Source/core/frame/Settings.json5 b/third_party/WebKit/Source/core/frame/Settings.json5
index 7cac80b9b7fc1e797a51ad45ec564bee1cc00b09..192af812e0489ff1586503af9b68702a3dd84165 100644
--- a/third_party/WebKit/Source/core/frame/Settings.json5
+++ b/third_party/WebKit/Source/core/frame/Settings.json5
@@ -921,6 +921,18 @@
       invalidate: "MediaControls",
     },
 
+    // Whether Blink is controlled by automation.
+    {
+      name: "automationControlled",
+      initial: false,
+    },
+
+    // Whether Blink is headless.
+    {
+      name: "headless",
+      initial: false,
+    },
+
     // Whether we should not update selection attributes when mutating selection range.
     // TODO(changwan): remove this flag when we no longer support Android M.
     {