Add new hotword extension for built-in hotword triggering.

chrome/browser/resources/component_extension_resources.grd

Index: chrome/browser/resources/component_extension_resources.grd
diff --git a/chrome/browser/resources/component_extension_resources.grd b/chrome/browser/resources/component_extension_resources.grd
index 6556b04dd9ea1452687111970588df94c2e8413b..5d21e329370bad5aaa669b4fa7cdcdc4740b39b5 100644
--- a/chrome/browser/resources/component_extension_resources.grd
+++ b/chrome/browser/resources/component_extension_resources.grd
@@ -58,10 +58,13 @@
         <include name="IDR_HANGOUT_SERVICES_BACKGROUND_HTML" file="hangout_services/background.html" type="BINDATA" />
         <include name="IDR_HANGOUT_SERVICES_THUNK_JS" file="hangout_services/thunk.js" type="BINDATA" />
       </if>
-      <!-- Hotword Helper extension -->
       <if expr="enable_extensions">
+        <!-- Hotword Helper extension -->
         <include name="IDR_HOTWORD_HELPER_AUDIO_CLIENT_JS" file="hotword_helper/audio_client.js" type="BINDATA" />
         <include name="IDR_HOTWORD_HELPER_MANAGER_JS" file="hotword_helper/manager.js" type="BINDATA" />
+
+        <!-- (Experimental) hotword triggering extension -->
+        <include name="IDR_HOTWORD_MANAGER_JS" file="hotword/manager.js" type="BINDATA" />
       </if>
       <if expr="not is_android">
         <include name="IDR_FEEDBACK_DEFAULT_HTML" file="feedback/html/default.html" flattenhtml="true" allowexternalscript="true" type="BINDATA" />