Revert 109285 - Seems to have broken chrome_frame_net_tests on the win_rel trybot, stuffing up th...

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
===================================================================
--- chrome/common/pref_names.cc	(revision 109388)
+++ chrome/common/pref_names.cc	(working copy)
@@ -628,11 +628,6 @@
 const char kSpeechInputFilterProfanities[] =
     "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";
-
 // Boolean controlling whether history saving is disabled.
 const char kSavingBrowserHistoryDisabled[] = "history.saving_disabled";