Implementing console command 'debug'.

Source/core/inspector/InjectedScriptExterns.js

 /*
  * Copyright (C) 2012 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 72 matching lines @@
  */
 InjectedScriptHost.prototype.type = function(object) { }
 /**
  * @param {*} object
  */
 InjectedScriptHost.prototype.getEventListeners = function(object) { }
 /**
  * @param {string} expression
  */
 InjectedScriptHost.prototype.evaluate = function(expression) { }
+/**
+ * @param {*} loc
+ */
+InjectedScriptHost.prototype.setBreakpoint = function(loc) { }
 
 /**
  * @param {function(...)} fun
  * @param {number} scopeNumber
  * @param {string} variableName
  * @param {*} newValue
  */
 InjectedScriptHost.prototype.setFunctionVariableValue = function(fun, scopeNumber, variableName, newValue) { }
 
 /**
@@ skipping 48 matching lines @@
  */
 CallSite.prototype.getFileName = function() { }
 /**
  * @return {number}
  */
 CallSite.prototype.getLineNumber = function() { }
 /**
  * @return {number}
  */
 CallSite.prototype.getColumnNumber = function() { }