Introduce additional context to evaluate operations

src/mirror-debugger.js

 // Copyright 2006-2008 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 1515 matching lines @@
 FrameMirror.prototype.scopeCount = function() {
   return this.details_.scopeCount();
 };
 
 
 FrameMirror.prototype.scope = function(index) {
   return new ScopeMirror(this, index);
 };
 
 
-FrameMirror.prototype.evaluate = function(source, disable_break) {
+FrameMirror.prototype.evaluate = function(source, disable_break, opt_context_object) {
   var result = %DebugEvaluate(this.break_id_, this.details_.frameId(),
-                              source, Boolean(disable_break));
+                              source, Boolean(disable_break), opt_context_object);
   return MakeMirror(result);
 };
 
 
 FrameMirror.prototype.invocationText = function() {
   // Format frame invoaction (receiver, function and arguments).
   var result = '';
   var func = this.func();
   var receiver = this.receiver();
   if (this.isConstructCall()) {
@@ skipping 822 matching lines @@
   }
   if (!isFinite(value)) {
     if (value > 0) {
       return 'Infinity';
     } else {
       return '-Infinity';
     }
   }
   return value;
 }