Index: chrome/common/extensions/extension_constants.h
--- chrome/common/extensions/extension_constants.h.orig
+++ chrome/common/extensions/extension_constants.h
@@ -319,7 +319,7 @@ inline constexpr char kReadingModeGDocsHelperExtension
 inline constexpr base::FilePath::CharType
     kReadingModeGDocsHelperManifestFilename[] =
         FILE_PATH_LITERAL("reading_mode_gdocs_helper_manifest.json");
-#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC)
+#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_BSD)
 // The extension id of the google tts engine extension to use on-device natural
 // Google voices.
 inline constexpr char kTTSEngineExtensionId[] =
@@ -370,7 +370,7 @@ inline constexpr auto kBuiltInFirstPartyExtensionIds =
         kGoogleSpeechSynthesisExtensionId,
 #endif  // BUILDFLAG(IS_CHROMEOS)
         kReadingModeGDocsHelperExtensionId,
-#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC)
+#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_BSD)
         kTTSEngineExtensionId,
         kComponentUpdaterTTSEngineExtensionId,
 #endif  // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC)
