gtk: Add keyboard accelerator to kill a process/plug-in in Task Manager.

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 3529 matching lines @@
       </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>
       </if>
 
 
       <!-- Task Manager Window -->
       <message name="IDS_TASK_MANAGER_KILL" desc="The caption of the Task Manager kill button">
-        End process
+        &amp;End process
       </message>
       <message name="IDS_TASK_MANAGER_PURGE_MEMORY" desc="The caption of the Task Manager purge memory button">
         Purge memory
       </message>
       <message name="IDS_TASK_MANAGER_ABOUT_MEMORY_LINK" desc="The caption of the Task Manager link to about:memory">
         Stats for nerds
       </message>
       <message name="IDS_TASK_MANAGER_PROCESS_ID_COLUMN" desc="The title for Task Manager process ID column.">
         Process ID
       </message>
@@ skipping 9767 matching lines @@
     </includes>
     <structures fallback_to_english="true">
       <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>