Introduce enable_web_speech to replace with input_speech

build/config/features.gni

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This file contains UI-related build flags. It should theoretically be in the
 # src/ui directory and only things that depend on the ui module should get the
 # definitions.
 #
 # However, today we have many "bad" dependencies on some of these flags from,
 # e.g. base, so they need to be global.
@@ skipping 49 matching lines @@
 
 enable_webrtc = !is_ios
 
 # Enable notifications everywhere except Android.
 # Android is http://crbug.com/115320
 enable_notifications = !is_android
 
 # TODO(brettw) this should be moved to net and only dependents get this define.
 disable_ftp_support = is_ios
 
-# Speech input is compiled in by default. Set to 0 to disable.
-# TODO(tommyw): Speech Input doesn't exist anymore. Clarify the scope
-# of this flag (and probably rename it).
-enable_speech_input = true
+enable_web_speech = (!is_android && !is_ios)
 
 use_dbus = is_linux
 
 enable_extensions = (!is_android && !is_ios)
 
 # Variable safe_browsing is used to control the build time configuration for
 # safe browsing feature. Safe browsing can be compiled in 3 different levels: 0
 # disables it, 1 enables it fully, and 2 enables only UI and reporting features
 # without enabling phishing and malware detection. This is useful to integrate
 # a third party phishing/malware detection to existing safe browsing logic.
 if (is_android) {
   safe_browsing_mode = 2
 } else if (is_ios) {
   safe_browsing_mode = 0
 } else {
   safe_browsing_mode = 1
 }