Redesign of the avatar menu button.

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 281ff46c10ed00e798644116ccd9f9b469d24801..a9443d6d4a2f557ea9eb7863755414319d164145 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -11254,6 +11254,10 @@ Would you like to start <ph name="CONTROL_PANEL_APPLET_NAME">$1<ex>Add/Remove Pr
       <message name="IDS_NUMBERED_PROFILE_NAME" desc="The name given to a newly created profile. Displayed in wrench menu and settings UI.">
         User <ph name="VALUE">$1<ex>1</ex></ph>
       </message>
+      <message name="IDS_GUEST_PROFILE_NAME" desc="The name given to the guest
+      browsing profile. Displayed in the avatar menu bubble and button UI.">
+        Guest
+      </message>
 
       <message name="IDS_DEFAULT_AVATAR_NAME_8" desc="The default name given to a newly created profile with the female spy avatar.">
         Agent X