[Mac] Fullscreen Touch Bar Support

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index 9403dab8d732a054d0fd6c787b050ebcd6cb3cb0..fb39b9e0631b2d7495cdb81b22b9ef3db7501eb8 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -1952,6 +1952,9 @@ From <ph name="DOWNLOAD_DOMAIN">$3<ex>example.com</ex></ph>
                    desc="Customization label for the new tab button in the touch bar.">
           New Tab
         </message>
+        <message name="IDS_TOUCH_BAR_EXIT_FULLSCREEN" desc="Text for the exit fullscreen button in the touch bar.">
+        Exit Full Screen
+        </message>
       </if>
 
       <!-- Remove in-progress downloads confirmation dialog -->