Fix up fullscreen exit bubble messages to suggest Esc instead of F11 where appropriate.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 3599 matching lines @@
       </message>
       <message name="IDS_FIND_IN_PAGE_NEXT_TOOLTIP" desc="The tooltip for the next button">
         Next
       </message>
       <message name="IDS_FIND_IN_PAGE_CLOSE_TOOLTIP" desc="The tooltip for the close button">
         Close find bar
       </message>
 
 
       <!-- Fullscreen mode -->
+      <message name="IDS_EXIT_FULLSCREEN_MODE" desc="Clickable message displayed on entering full screen mode. Clicking on the link exits full screen mode.">
+        Exit full screen
+      </message>
       <if expr="not pp_ifdef('chromeos')">
-        <message name="IDS_EXIT_FULLSCREEN_MODE" desc="Clickable message displayed on entering fullscreen mode to tell users how to return to normal mode">
-          Exit full screen (<ph name="ACCELERATOR">$1<ex>F11</ex></ph>)
-        </message>
-      </if>
-      <if expr="pp_ifdef('chromeos')">
-        <message name="IDS_EXIT_FULLSCREEN_MODE" desc="Clickable message displayed on entering fullscreen mode to tell users how to return to normal mode (for Chrome OS, which has a dedicated fullscreen key on the top row in the F3 position)">
-          Exit full screen
+        <message name="IDS_EXIT_FULLSCREEN_MODE_ACCELERATOR" desc="Accelerator description shown next to a link showing 'Exit full screen' e.g. 'Exit full screen (Esc)', where 'Exit full screen' is a link.">
+          (<ph name="ACCELERATOR">$1<ex>Esc</ex></ph>)
         </message>
       </if>
 
       <!-- Mouse Lock mode -->
       <message name="IDS_MOUSELOCK_ONENTER_ESCAPE_INSTRUCTIONS" desc="Message displayed on entering mouse lock mode to tell users how to exit using the keyboard to normal mode">
         The page has hidden the mouse pointer. To restore it, press 'Esc'.
       </message>
 
       <!-- Task Manager Window -->
       <message name="IDS_TASK_MANAGER_KILL" desc="The caption of the Task Manager kill button">
@@ skipping 10774 matching lines @@
     <message name="IDS_FULLSCREEN_ENTERED_FULLSCREEN_MOUSELOCK" desc="Text displayed in the bubble to inform the user that the page has gone fullscreen and locked the mouse.">
       This page is now full screen and hiding your mouse cursor.
     </message>
     <message name="IDS_FULLSCREEN_SITE_ENTERED_MOUSELOCK" desc="Text displayed in the bubble to inform the user that the page has locked the mouse.">
       <ph name="FULLSCREEN_ORIGIN">$1<ex>google.com</ex></ph> is hiding your mouse cursor.
     </message>
     <message name="IDS_FULLSCREEN_ENTERED_MOUSELOCK" desc="Text displayed in the bubble to inform the user that the page has locked the mouse.">
       This page is hiding your mouse cursor.
     </message>
     <message name="IDS_FULLSCREEN_PRESS_ESC_TO_EXIT" desc="Text displayed in the bubble to tell users how to return to normal mode">
-      Press Esc to exit.
+      Press <ph name="ACCELERATOR">$1<ex>Esc</ex></ph> to exit.
     </message>
     <message name="IDS_FULLSCREEN_ALLOW" desc="Text in the bubble button that grants permission for a site to enter fullscreen and/or lock the mouse.">
       Allow
     </message>
     <message name="IDS_FULLSCREEN_EXIT_FULLSCREEN" desc="Text in the bubble button that forces a webpage out of fullscreen mode.">
       Exit full screen
     </message>
     <message name="IDS_FULLSCREEN_EXIT" desc="Text in the bubble button that denies to lock the mouse and forces a webpage out of fullscreen mode.">
       Exit
     </message>
@@ skipping 181 matching lines @@
     </messages>
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
   </release>
 </grit>