Moving tray icon and notification balloon for background speech recognition sessions to ChromeSpeec…

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 32a28372b311c3d612a28df6e88a6c8a1e46f9aa..fc32e90d6a46d9afc6e17d4a627ed1f919eb6a8e 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -740,11 +740,6 @@ const char kEnableAutoSpellCorrect[] = "browser.enable_autospellcorrect";
 const char kSpeechRecognitionFilterProfanities[] =
     "browser.speechinput_censor_results";
 
-// Boolean pref to determine if the tray notification balloon for speech input
-// extension API has been already shown once to the user.
-const char kSpeechInputTrayNotificationShown[] =
-    "browser.speechinput_tray_notification_shown";
-
 // List of speech recognition context names (extensions or websites) for which
 // the tray notification balloon has already been shown.
 const char kSpeechRecognitionTrayNotificationShownContexts[] =