Explicitly skip notification announcements in SpokenFeedbackTest

chrome/browser/chromeos/accessibility/speech_monitor.cc

Index: chrome/browser/chromeos/accessibility/speech_monitor.cc
diff --git a/chrome/browser/chromeos/accessibility/speech_monitor.cc b/chrome/browser/chromeos/accessibility/speech_monitor.cc
index 1d1c0642aa0716585109901ff847aaa3ccbffa4d..9d83fa54fff7ae41a703d5d56c8a90df40c0827e 100644
--- a/chrome/browser/chromeos/accessibility/speech_monitor.cc
+++ b/chrome/browser/chromeos/accessibility/speech_monitor.cc
@@ -8,6 +8,9 @@ namespace chromeos {
 
 namespace {
 const char kChromeVoxEnabledMessage[] = "chrome vox spoken feedback is ready";
+const char kChromeVoxAlertMessage[] = "Alert";
+const char kChromeVoxUpdate1[] = "chrome vox Updated Press chrome vox o,";
+const char kChromeVoxUpdate2[] = "n to learn more about chrome vox Next.";
 }  // namespace
 
 SpeechMonitor::SpeechMonitor() {
@@ -88,9 +91,12 @@ std::string SpeechMonitor::error() {
 
 void SpeechMonitor::WillSpeakUtteranceWithVoice(const Utterance* utterance,
                                                 const VoiceData& voice_data) {
+  // Blacklist some phrases.
   // Filter out empty utterances which can be used to trigger a start event from
   // tts as an earcon sync.
-  if (utterance->text() == "")
+  if (utterance->text() == "" || utterance->text() == kChromeVoxAlertMessage ||
+      utterance->text() == kChromeVoxUpdate1 ||
+      utterance->text() == kChromeVoxUpdate2)
     return;
 
   VLOG(0) << "Speaking " << utterance->text();