[runtime] Implement encodeURI as single runtime function.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 81252ebe13abcc9f44f78198417b994dd07a822f..1854773d4bd9503ee8299c552dbbc6b329081778 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -560,6 +560,10 @@ class Factory final {
     return NewRangeError(MessageTemplate::kInvalidStringLength);
   }
 
+  Handle<Object> NewMakeURIError() {

[Yang, 2016/05/12 07:39:20]

Can we call this NewURIError and have it call into NewError with the right
constructor and template directly?

[Franzi, 2016/05/13 09:42:02]

Done.

+    return NewURIError(MessageTemplate::kURIMalformed);
+  }
+
   Handle<Object> NewError(Handle<JSFunction> constructor,
                           MessageTemplate::Template template_index,
                           Handle<Object> arg0 = Handle<Object>(),
@@ -577,6 +581,8 @@ class Factory final {
   DECLARE_ERROR(ReferenceError)
   DECLARE_ERROR(SyntaxError)
   DECLARE_ERROR(TypeError)
+  DECLARE_ERROR(URIError)

[Yang, 2016/05/12 07:39:20]

Let's not declare this helper.

[Franzi, 2016/05/13 09:42:02]

Done.

+
 #undef DEFINE_ERROR
 
   Handle<String> NumberToString(Handle<Object> number,