[orca] Ensure we don't filter out links with author-provided names

[Joanmarie Diggs <joanied src gnome org>]

commit 1aa36ab55d6a680bbfdee91f81076593a4dc78fc
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue May 21 15:41:01 2019 +0200

    Ensure we don't filter out links with author-provided names

 src/orca/scripts/web/script_utilities.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index ce2055d63..4f0efe1f1 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -2311,10 +2311,11 @@ class Utilities(script_utilities.Utilities):
             if rv is not None:
                 return rv
 
+            displayedText = string.strip() or obj.name
             rv = True
-            if ((self.isTextBlockElement(obj) or self.isLink(obj)) and not string.strip()) \
+            if ((self.isTextBlockElement(obj) or self.isLink(obj)) and not displayedText) \
                or self.isEmptyAnchor(obj) \
-               or (self.hasNoSize(obj) and not string.strip()) \
+               or (self.hasNoSize(obj) and not displayedText) \
                or self.isHidden(obj) \
                or self.isOffScreenLabel(obj) \
                or self.isUselessImage(obj) \