Add nacl-gdb-script switch.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
===================================================================
--- chrome/app/generated_resources.grd	(revision 138748)
+++ chrome/app/generated_resources.grd	(working copy)
@@ -5103,6 +5103,12 @@
       <message name="IDS_FLAGS_NACL_GDB_DESCRIPTION" desc="Description of the 'Debug Native Client applications at startup' lab.">
         Set path to nacl-gdb debugger. It will be attached to NaCl applications at startup.
       </message>
+	  <message name="IDS_FLAGS_NACL_GDB_SCRIPT_NAME" desc="Name of the 'Script executed by Native Client application debugger at startup' lab.">

[Mark Seaborn, 2012/05/24 17:25:58]

The indentation looks wrong here.  (But for some reason, Rietveld is not showing
the side-by-side view.)

[halyavin, 2012/05/25 09:37:45]

Replaced tab with spaces.

+	    Script executed by Native Client application debugger at startup.

[Mark Seaborn, 2012/05/24 17:25:58]

"Script to be executed by nacl-gdb at startup"?  Since this is a GDB-specific
script you should mention GDB.

I don't understand how this string differs in use from the next one though.

[halyavin, 2012/05/25 09:37:45]

DESCRIPTION is supposed to be more detailed.

+	  </message>
+	  <message name="IDS_FLAGS_NACL_GDB_SCRIPT_DESCRIPTION" desc="Description of the 'Script executed by Native Client application debugger at startup' lab.">
+	    Set path to script which will be executed by nacl-gdb debugger at startup.
+	  </message>
       <message name="IDS_FLAGS_DISABLE_SHORTCUTS_PROVIDER" desc="Name of the 'Disable better ranking of previously selected shortcuts in omnibox' lab.">
         Disable 'shortcuts' in the omnibox.
       </message>