[inspector] Store interger in context embedder data instead of a string.

src/inspector/debugger-script.js

 /*
  * Copyright (C) 2010 Google Inc. 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
@@ skipping 126 matching lines @@
     if (mirror.isSet() || mirror.isIterator()) {
         var result = [];
         var values = mirror.isSet() ? /** @type {!SetMirror} */(mirror).values() : /** @type {!IteratorMirror} */(mirror).preview();
         for (var i = 0; i < values.length; ++i)
             result.push({ value: values[i] });
         return result;
     }
 }
 
 /**
- * @param {string|undefined} contextData
- * @return {number}
- */
-DebuggerScript._executionContextId = function(contextData)
-{
-    if (!contextData)
-        return 0;
-    var match = contextData.match(/^[^,]*,([^,]*),.*$/);
-    if (!match)
-        return 0;
-    return parseInt(match[1], 10) || 0;
-}
-
-/**
  * @param {!ExecutionState} execState
  * @param {!BreakpointInfo} info
  * @return {string|undefined}
  */
 DebuggerScript.setBreakpoint = function(execState, info)
 {
     var breakId = Debug.setScriptBreakPointById(info.sourceID, info.lineNumber, info.columnNumber, info.condition, undefined, Debug.BreakPositionAlignment.Statement);
     var locations = Debug.findBreakPointActualLocations(breakId);
     if (!locations.length)
         return undefined;
@@ skipping 307 matching lines @@
     {
         return ensureLocation().column;
     }
 
     /**
      * @return {number}
      */
     function contextId()
     {
         var mirror = ensureFuncMirror();
-        // Old V8 do not have context() function on these objects
-        if (!mirror.context)
-            return DebuggerScript._executionContextId(mirror.script().value().context_data);
         var context = mirror.context();
-        if (context)
-            return DebuggerScript._executionContextId(context.data());
+        if (context && context.data())
+            return Number(context.data());
         return 0;
     }
 
     /**
      * @return {number}
      */
     function sourceID()
     {
         var script = ensureScriptMirror();
         return script.id();
@@ skipping 82 matching lines @@
         break;
     }
     return result;
 }
 
 // We never resolve Mirror by its handle so to avoid memory leaks caused by Mirrors in the cache we disable it.
 ToggleMirrorCache(false);
 
 return DebuggerScript;
 })();