small misspelling fixes.

src/liveedit-debugger.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 203 matching lines @@
     }
 
     for (var i = 0; i < replace_code_list.length; i++) {
       PatchFunctionCode(replace_code_list[i], change_log);
     }
 
     var position_patch_report = new Array();
     change_log.push( {position_patched: position_patch_report} );
 
     for (var i = 0; i < update_positions_list.length; i++) {
-      // TODO(LiveEdit): take into account wether it's source_changed or
+      // TODO(LiveEdit): take into account whether it's source_changed or
       // unchanged and whether positions changed at all.
       PatchPositions(update_positions_list[i], diff_array,
           position_patch_report);
 
       if (update_positions_list[i].live_shared_function_infos) {
         update_positions_list[i].live_shared_function_infos.
             forEach(function (info) {
                 %LiveEditFunctionSourceUpdated(info.raw_array);
               });
       }
@@ skipping 893 matching lines @@
   // Function is public.
   this.RestartFrame = RestartFrame;
 
   // Functions are public for tests.
   this.TestApi = {
     PosTranslator: PosTranslator,
     CompareStrings: CompareStrings,
     ApplySingleChunkPatch: ApplySingleChunkPatch
   };
 };