changed browser api to return pages that can be acted on, not strictly contents

cookiejar.go

@@ -18,3 +18,21 @@ type CookieJar interface {
 	Set(cookie Cookie) error
 	Delete(cookie Cookie) error
 }
+
+// ReadOnlyCookieJar is a wrapper for CookieJar that allows only read operations on cookies, but all
+// write operations are no-ops.
+type ReadOnlyCookieJar struct {
+	Jar CookieJar
+}
+
+func (r ReadOnlyCookieJar) GetAll() ([]Cookie, error) {
+	return r.Jar.GetAll()
+}
+
+func (r ReadOnlyCookieJar) Set(_ Cookie) error {
+	return nil
+}
+
+func (r ReadOnlyCookieJar) Delete(_ Cookie) error {
+	return nil
+}