AK: Add URL::to_string() returning a String

For convenience wire up a to_string() method which returns a new String.

Author: kennethmyhra

AK/URL.cpp

@@ -388,6 +388,11 @@ DeprecatedString URL::serialize_for_display() const
     return builder.to_deprecated_string();
 }
 
+ErrorOr<String> URL::to_string() const
+{
+    return String::from_deprecated_string(serialize());
+}
+
 // https://html.spec.whatwg.org/multipage/origin.html#ascii-serialisation-of-an-origin
 // https://url.spec.whatwg.org/#concept-url-origin
 DeprecatedString URL::serialize_origin() const

AK/URL.h

@@ -99,6 +99,7 @@ class URL {
     DeprecatedString serialize(ExcludeFragment = ExcludeFragment::No) const;
     DeprecatedString serialize_for_display() const;
     DeprecatedString to_deprecated_string() const { return serialize(); }
+    ErrorOr<String> to_string() const;
 
     // HTML origin
     DeprecatedString serialize_origin() const;