[orca] Speak "image link" for links whose content is canvas without fallback content

[Joanmarie Diggs <joanied src gnome org>]

commit 958ef879bba39474f6dba325b72a3033f183b268
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Oct 13 00:21:58 2015 -0400

    Speak "image link" for links whose content is canvas without fallback content

 src/orca/scripts/web/speech_generator.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/scripts/web/speech_generator.py b/src/orca/scripts/web/speech_generator.py
index 1c7710a..4f66dbd 100644
--- a/src/orca/scripts/web/speech_generator.py
+++ b/src/orca/scripts/web/speech_generator.py
@@ -276,6 +276,9 @@ class SpeechGenerator(speech_generator.SpeechGenerator):
                 result.append(messages.IMAGE_MAP_LINK)
                 result.extend(acss)
             else:
+                if self._script.utilities.hasUselessCanvasDescendant(obj):
+                    result.append(self.getLocalizedRoleName(obj, pyatspi.ROLE_IMAGE))
+                    result.extend(acss)
                 result.append(self.getLocalizedRoleName(obj, role))
                 result.extend(acss)