From b6ef4a3929ec5505269ec89c4fc393c6acf7ce7d Mon Sep 17 00:00:00 2001
From: Milan Burda <milan.burda@gmail.com>
Date: Wed, 24 May 2023 10:18:43 +0200
Subject: [PATCH] build: remove unused enable_tts build flag (#38420)

chore: remove unused enable_tts build flag

Co-authored-by: Milan Burda <miburda@microsoft.com>
---
 buildflags/BUILD.gn           | 1 -
 buildflags/buildflags.gni     | 2 --
 shell/common/api/features.cc  | 5 -----
 spec/chromium-spec.ts         | 2 +-
 typings/internal-ambient.d.ts | 1 -
 5 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/buildflags/BUILD.gn b/buildflags/BUILD.gn
index a37d752dba36..4d0fbdf26e83 100644
--- a/buildflags/BUILD.gn
+++ b/buildflags/BUILD.gn
@@ -14,7 +14,6 @@ buildflag_header("buildflags") {
     "ENABLE_OSR=$enable_osr",
     "ENABLE_VIEWS_API=$enable_views_api",
     "ENABLE_PDF_VIEWER=$enable_pdf_viewer",
-    "ENABLE_TTS=$enable_tts",
     "ENABLE_COLOR_CHOOSER=$enable_color_chooser",
     "ENABLE_ELECTRON_EXTENSIONS=$enable_electron_extensions",
     "ENABLE_BUILTIN_SPELLCHECKER=$enable_builtin_spellchecker",
diff --git a/buildflags/buildflags.gni b/buildflags/buildflags.gni
index 6a6a7d59fefe..22918b3de790 100644
--- a/buildflags/buildflags.gni
+++ b/buildflags/buildflags.gni
@@ -14,8 +14,6 @@ declare_args() {
 
   enable_pdf_viewer = true
 
-  enable_tts = true
-
   enable_color_chooser = true
 
   enable_picture_in_picture = true
diff --git a/shell/common/api/features.cc b/shell/common/api/features.cc
index 19cbfd3e1d44..a753a5a07e6e 100644
--- a/shell/common/api/features.cc
+++ b/shell/common/api/features.cc
@@ -38,10 +38,6 @@ bool IsViewApiEnabled() {
   return BUILDFLAG(ENABLE_VIEWS_API);
 }
 
-bool IsTtsEnabled() {
-  return BUILDFLAG(ENABLE_TTS);
-}
-
 bool IsPrintingEnabled() {
   return BUILDFLAG(ENABLE_PRINTING);
 }
@@ -75,7 +71,6 @@ void Initialize(v8::Local<v8::Object> exports,
   dict.SetMethod("isFakeLocationProviderEnabled",
                  &IsFakeLocationProviderEnabled);
   dict.SetMethod("isViewApiEnabled", &IsViewApiEnabled);
-  dict.SetMethod("isTtsEnabled", &IsTtsEnabled);
   dict.SetMethod("isPrintingEnabled", &IsPrintingEnabled);
   dict.SetMethod("isPictureInPictureEnabled", &IsPictureInPictureEnabled);
   dict.SetMethod("isComponentBuild", &IsComponentBuild);
diff --git a/spec/chromium-spec.ts b/spec/chromium-spec.ts
index 79c5b65d1c65..88f5e9238fd7 100644
--- a/spec/chromium-spec.ts
+++ b/spec/chromium-spec.ts
@@ -2225,7 +2225,7 @@ describe('chromium features', () => {
   // [FATAL:speech_synthesis.mojom-shared.h(237)] The outgoing message will
   // trigger VALIDATION_ERROR_UNEXPECTED_NULL_POINTER at the receiving side
   // (null text in SpeechSynthesisUtterance struct).
-  ifdescribe(features.isTtsEnabled())('SpeechSynthesis', () => {
+  describe('SpeechSynthesis', () => {
     itremote('should emit lifecycle events', async () => {
       const sentence = `long sentence which will take at least a few seconds to
           utter so that it's possible to pause and resume before the end`;
diff --git a/typings/internal-ambient.d.ts b/typings/internal-ambient.d.ts
index ab6a18001f2e..805236ddd620 100644
--- a/typings/internal-ambient.d.ts
+++ b/typings/internal-ambient.d.ts
@@ -22,7 +22,6 @@ declare namespace NodeJS {
     isRunAsNodeEnabled(): boolean;
     isFakeLocationProviderEnabled(): boolean;
     isViewApiEnabled(): boolean;
-    isTtsEnabled(): boolean;
     isPrintingEnabled(): boolean;
     isPictureInPictureEnabled(): boolean;
     isExtensionsEnabled(): boolean;