[Blink-in-JS] Migrate the PrivateScript specific methods/attributes to ScriptController

Source/bindings/core/v8/PrivateScriptRunner.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 "use strict";
 
-var installedClasses = {};
-var PrivateScriptDOMException = {};
-var PrivateScriptJSError = {};
-
-// Private scripts can throw JS errors and DOM exceptions as follows:
-//     throwException(PrivateScriptDOMException.IndexSizeError, "...");
-//     throwException(PrivateScriptJSError.TypeError, "...");
-//
-// Note that normal JS errors thrown by private scripts are treated
-// as real JS errors caused by programming mistake and the execution crashes.
-// If you want to intentially throw JS errors from private scripts,
-// you need to use throwException(PrivateScriptJSError.TypeError, "...").
-function throwException(code, message)
+function PrivateScriptController()
 {
-    function PrivateScriptException()
-    {
-    }
-
-    var exception = new PrivateScriptException();
-    exception.code = code;
-    exception.message = message;
-    exception.name = "PrivateScriptException";
-    throw exception;
-}
-
-function installClass(className, implementation)
-{
-    function PrivateScriptClass()
-    {
-    }
-
-    if (!(className in installedClasses))
-        installedClasses[className] = new PrivateScriptClass();
-    implementation(installedClasses[className]);
-}
-
-(function (global) {
+    this._installedClasses = {};
+    this._DOMException = {};
+    this._JSError = {};
     // This list must be in sync with the enum in ExceptionCode.h. The order matters.
     var domExceptions = [
         "IndexSizeError",
         "HierarchyRequestError",
         "WrongDocumentError",
         "InvalidCharacterError",
         "NoModificationAllowedError",
         "NotFoundError",
         "NotSupportedError",
         "InUseAttributeError", // Historical. Only used in setAttributeNode etc which have been removed from the DOM specs.
@@ skipping 44 matching lines @@
     var jsErrors = [
         "Error",
         "TypeError",
         "RangeError",
         "SyntaxError",
         "ReferenceError",
     ];
 
     var code = 1;
     domExceptions.forEach(function (exception) {
-        global.PrivateScriptDOMException[exception] = code;
+        this._DOMException[exception] = code;
         ++code;
-    });
+    }.bind(this));
 
     var code = 1000;
     jsErrors.forEach(function (exception) {
-        global.PrivateScriptJSError[exception] = code;
+        this._JSError[exception] = code;
         ++code;
-    });
+    }.bind(this));
+}
 
-})(window);
+PrivateScriptController.prototype = {
+    get installedClasses()
+    {
+        return this._installedClasses;
+    },
+
+    get DOMException()
+    {
+        return this._DOMException;
+    },
+
+    get JSError()
+    {
+        return this._JSError;
+    },
+
+    installClass: function(className, implementation)
+    {
+        function PrivateScriptClass()
+        {
+        }
+
+        if (!(className in this._installedClasses))
+            this._installedClasses[className] = new PrivateScriptClass();
+        implementation(this._installedClasses[className]);
+    },
+
+    // Private scripts can throw JS errors and DOM exceptions as follows:
+    //     throwException(privateScriptController.DOMException.IndexSizeError, "...");
+    //     throwException(privateScriptController.JSError.TypeError, "...");
+    //
+    // Note that normal JS errors thrown by private scripts are treated
+    // as real JS errors caused by programming mistake and the execution crashes.
+    // If you want to intentially throw JS errors from private scripts,
+    // you need to use throwException(privateScriptController.JSError.TypeError, "...").
+    throwException: function(code, message)
+    {
+        function PrivateScriptException()
+        {
+        }
+
+        var exception = new PrivateScriptException();
+        exception.code = code;
+        exception.message = message;
+        exception.name = "PrivateScriptException";
+        throw exception;
+    },
+}
+
+if (typeof window.privateScriptController === 'undefined')
+    window.privateScriptController = new PrivateScriptController();
 
 // This line must be the last statement of this JS file.
 // A parenthesis is needed, because the caller of this script (PrivateScriptRunner.cpp)
 // is depending on the completion value of this script.
-(installedClasses);
+(privateScriptController.installedClasses);