Removed emojis from generated_resources.grd and update the code.

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 ccee420132b22e0c3d728fa3e1bfdd84122b67a3..9140d5bc32fcfe331e75fe2b68d4d9a1558fa717 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -12904,6 +12904,12 @@ Some features may be unavailable.  Please check that the profile exists and you
         <message name="IDS_SHOW_DOWNLOADS_MAC" desc="The Mac menu item to show downloads in the window menu.">
           Downloads
         </message>
+        <message name="IDS_WINDOW_AUDIO_PLAYING_MAC" desc="The emoji to append to the title of a window showing audio is playing.">
+          <ph name="TAB_TITLE">$1<ex>The Title of the Tab</ex></ph> <ph name="EMOJI_PLAYING">$2<ex>(playing)</ex></ph>
+        </message>
+        <message name="IDS_WINDOW_AUDIO_MUTING_MAC" desc="The emoji to append to the title of a window showing audio is muting.">
+          <ph name="TAB_TITLE">$1<ex>The Title of the Tab</ex></ph> <ph name="EMOJI_MUTING">$2<ex>(muting)</ex></ph>
+        </message>
         <message name="IDS_SHOW_EXTENSIONS_MAC" desc="The Mac menu item to show extensions in the window menu.">
           Extensions
         </message>