Removing --enable-speech-recognition flag

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 0df6d898e28a06990433ea68c9f46052055d2bc1..9dfca051f83312b1d4661cf7e3678e219cff176c 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -908,9 +908,6 @@ const char kDisablePullToRefreshEffect[]   = "disable-pull-to-refresh-effect";
 // WebRTC is enabled by default on Android.
 const char kDisableWebRTC[]                 = "disable-webrtc";
 
-// Enable the recognition part of the Web Speech API.
-const char kEnableSpeechRecognition[]       = "enable-speech-recognition";
-
 // Always use the video overlay for the embedded video.
 // This switch is intended only for tests.
 const char kForceUseOverlayEmbeddedVideo[] = "force-use-overlay-embedded-video";