Provide a link to restart chrome when changing gpu settings

chrome/app/chromium_strings.grd

Index: chrome/app/chromium_strings.grd
===================================================================
--- chrome/app/chromium_strings.grd	(revision 189678)
+++ chrome/app/chromium_strings.grd	(working copy)
@@ -435,8 +435,11 @@
         Continue running background apps when Chromium is closed
       </message>
       <message name="IDS_OPTIONS_SYSTEM_ENABLE_HARDWARE_ACCELERATION_MODE" desc="The label of the check-box that enables hardware acceleration mode">
-        Use hardware acceleration when available (requires Chromium restart)
+        Use hardware acceleration when available
       </message>
+      <message name="IDS_OPTIONS_SYSTEM_ENABLE_HARDWARE_ACCELERATION_MODE_RESTART" desc="The restart string after changing hardware acceleration mode">
+        (requires Chromium <ph name="BEGIN_LINK">&lt;a id="gpu-mode-reset-restart-link" href="#"&gt;</ph>restart<ph name="END_LINK">&lt;/a&gt;</ph>)
+      </message>
       <message name="IDS_CANT_WRITE_USER_DIRECTORY_SUMMARY" desc="Summary of problem displayed in dialog when we can't create a directory for this user.">
 Chromium cannot read and write to its data directory: