Use incognito split for ChromeVox and TTS in Guest mode

chrome/browser/browser_resources.grd

Index: chrome/browser/browser_resources.grd
diff --git a/chrome/browser/browser_resources.grd b/chrome/browser/browser_resources.grd
index 3b65c543cb44ac7338b28c9ae95bddbd2889eb05..91ac57193612b5a73463ca8f20232384e5fb562e 100644
--- a/chrome/browser/browser_resources.grd
+++ b/chrome/browser/browser_resources.grd
@@ -303,11 +303,13 @@
         <include name="IDR_CRYPTOHOME_JS" file="resources\chromeos\cryptohome.js" type="BINDATA" />
         <!-- manifest file of ChromeVox accessibility extension -->
         <include name="IDR_CHROMEVOX_MANIFEST" file="resources\chromeos\chromevox\manifest.json" type="BINDATA" />
+        <include name="IDR_CHROMEVOX_GUEST_MANIFEST" file="resources\chromeos\chromevox\manifest_guest.json" type="BINDATA" />
         <!-- manifest file of Connectivity Diagnostics app -->
         <include name="IDR_CONNECTIVITY_DIAGNOSTICS_MANIFEST" file="resources\chromeos\connectivity_diagnostics\manifest.json" type="BINDATA" />
         <include name="IDR_CONNECTIVITY_DIAGNOSTICS_LAUNCHER_MANIFEST" file="resources\chromeos\connectivity_diagnostics_launcher\manifest.json" type="BINDATA" />
         <!-- manifest file of built-in speech synthesis extension -->
         <include name="IDR_SPEECH_SYNTHESIS_MANIFEST" file="resources\chromeos\speech_synthesis\manifest.json" type="BINDATA" />
+        <include name="IDR_SPEECH_SYNTHESIS_GUEST_MANIFEST" file="resources\chromeos\speech_synthesis\manifest_guest.json" type="BINDATA" />
         <include name="IDR_DRIVE_INTERNALS_CSS" file="resources\chromeos\drive_internals.css" type="BINDATA" />
         <include name="IDR_DRIVE_INTERNALS_HTML" file="resources\chromeos\drive_internals.html" flattenhtml="true" type="BINDATA" />
         <include name="IDR_DRIVE_INTERNALS_JS" file="resources\chromeos\drive_internals.js" type="BINDATA" />