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 f6dd8a8f2995b81d059ecea396bb3387cc08df66..2b3273f2fee0e3c28e8f15f0c1e875cb52bb8435 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -739,11 +739,6 @@ 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[] =