Revert of [inspector] Initial import of v8_inspector.

src/inspector/InjectedScriptSource.js

Index: src/inspector/InjectedScriptSource.js
diff --git a/src/inspector/InjectedScriptSource.js b/src/inspector/InjectedScriptSource.js
deleted file mode 100644
index 92457fdfbdc06877c53ff13212673d666d09a640..0000000000000000000000000000000000000000
--- a/src/inspector/InjectedScriptSource.js
+++ /dev/null
@@ -1,1076 +0,0 @@
-/*
- * Copyright (C) 2007 Apple Inc.  All rights reserved.
- * Copyright (C) 2013 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:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  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 with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-"use strict";
-
-/**
- * @param {!InjectedScriptHostClass} InjectedScriptHost
- * @param {!Window|!WorkerGlobalScope} inspectedGlobalObject
- * @param {number} injectedScriptId
- */
-(function (InjectedScriptHost, inspectedGlobalObject, injectedScriptId) {
-
-/**
- * Protect against Object overwritten by the user code.
- * @suppress {duplicate}
- */
-var Object = /** @type {function(new:Object, *=)} */ ({}.constructor);
-
-/**
- * @param {!Array.<T>} array
- * @param {...} var_args
- * @template T
- */
-function push(array, var_args)
-{
-    for (var i = 1; i < arguments.length; ++i)
-        array[array.length] = arguments[i];
-}
-
-/**
- * @param {*} obj
- * @return {string}
- * @suppress {uselessCode}
- */
-function toString(obj)
-{
-    // We don't use String(obj) because String could be overridden.
-    // Also the ("" + obj) expression may throw.
-    try {
-        return "" + obj;
-    } catch (e) {
-        var name = InjectedScriptHost.internalConstructorName(obj) || InjectedScriptHost.subtype(obj) || (typeof obj);
-        return "#<" + name + ">";
-    }
-}
-
-/**
- * @param {*} obj
- * @return {string}
- */
-function toStringDescription(obj)
-{
-    if (typeof obj === "number" && obj === 0 && 1 / obj < 0)
-        return "-0"; // Negative zero.
-    return toString(obj);
-}
-
-/**
- * @param {T} obj
- * @return {T}
- * @template T
- */
-function nullifyObjectProto(obj)
-{
-    if (obj && typeof obj === "object")
-        obj.__proto__ = null;
-    return obj;
-}
-
-/**
- * @param {number|string} obj
- * @return {boolean}
- */
-function isUInt32(obj)
-{
-    if (typeof obj === "number")
-        return obj >>> 0 === obj && (obj > 0 || 1 / obj > 0);
-    return "" + (obj >>> 0) === obj;
-}
-
-/**
- * FireBug's array detection.
- * @param {*} obj
- * @return {boolean}
- */
-function isArrayLike(obj)
-{
-    if (typeof obj !== "object")
-        return false;
-    try {
-        if (typeof obj.splice === "function") {
-            if (!InjectedScriptHost.objectHasOwnProperty(/** @type {!Object} */ (obj), "length"))
-                return false;
-            var len = obj.length;
-            return typeof len === "number" && isUInt32(len);
-        }
-    } catch (e) {
-    }
-    return false;
-}
-
-/**
- * @param {number} a
- * @param {number} b
- * @return {number}
- */
-function max(a, b)
-{
-    return a > b ? a : b;
-}
-
-/**
- * FIXME: Remove once ES6 is supported natively by JS compiler.
- * @param {*} obj
- * @return {boolean}
- */
-function isSymbol(obj)
-{
-    var type = typeof obj;
-    return (type === "symbol");
-}
-
-/**
- * DOM Attributes which have observable side effect on getter, in the form of
- *   {interfaceName1: {attributeName1: true,
- *                     attributeName2: true,
- *                     ...},
- *    interfaceName2: {...},
- *    ...}
- * @type {!Object<string, !Object<string, boolean>>}
- * @const
- */
-var domAttributesWithObservableSideEffectOnGet = nullifyObjectProto({});
-domAttributesWithObservableSideEffectOnGet["Request"] = nullifyObjectProto({});
-domAttributesWithObservableSideEffectOnGet["Request"]["body"] = true;
-domAttributesWithObservableSideEffectOnGet["Response"] = nullifyObjectProto({});
-domAttributesWithObservableSideEffectOnGet["Response"]["body"] = true;
-
-/**
- * @param {!Object} object
- * @param {string} attribute
- * @return {boolean}
- */
-function doesAttributeHaveObservableSideEffectOnGet(object, attribute)
-{
-    for (var interfaceName in domAttributesWithObservableSideEffectOnGet) {
-        var interfaceFunction = inspectedGlobalObject[interfaceName];
-        // Call to instanceOf looks safe after typeof check.
-        var isInstance = typeof interfaceFunction === "function" && /* suppressBlacklist */ object instanceof interfaceFunction;
-        if (isInstance)
-            return attribute in domAttributesWithObservableSideEffectOnGet[interfaceName];
-    }
-    return false;
-}
-
-/**
- * @constructor
- */
-var InjectedScript = function()
-{
-}
-
-/**
- * @type {!Object.<string, boolean>}
- * @const
- */
-InjectedScript.primitiveTypes = {
-    "undefined": true,
-    "boolean": true,
-    "number": true,
-    "string": true,
-    __proto__: null
-}
-
-/**
- * @type {!Object<string, string>}
- * @const
- */
-InjectedScript.closureTypes = { __proto__: null };
-InjectedScript.closureTypes["local"] = "Local";
-InjectedScript.closureTypes["closure"] = "Closure";
-InjectedScript.closureTypes["catch"] = "Catch";
-InjectedScript.closureTypes["block"] = "Block";
-InjectedScript.closureTypes["script"] = "Script";
-InjectedScript.closureTypes["with"] = "With Block";
-InjectedScript.closureTypes["global"] = "Global";
-
-InjectedScript.prototype = {
-    /**
-     * @param {*} object
-     * @return {boolean}
-     */
-    isPrimitiveValue: function(object)
-    {
-        // FIXME(33716): typeof document.all is always 'undefined'.
-        return InjectedScript.primitiveTypes[typeof object] && !this._isHTMLAllCollection(object);
-    },
-
-    /**
-     * @param {*} object
-     * @return {boolean}
-     */
-    _shouldPassByValue: function(object)
-    {
-        return typeof object === "object" && InjectedScriptHost.subtype(object) === "internal#location";
-    },
-
-    /**
-     * @param {*} object
-     * @param {string} groupName
-     * @param {boolean} forceValueType
-     * @param {boolean} generatePreview
-     * @return {!RuntimeAgent.RemoteObject}
-     */
-    wrapObject: function(object, groupName, forceValueType, generatePreview)
-    {
-        return this._wrapObject(object, groupName, forceValueType, generatePreview);
-    },
-
-    /**
-     * @param {!Array<!Object>} array
-     * @param {string} property
-     * @param {string} groupName
-     * @param {boolean} forceValueType
-     * @param {boolean} generatePreview
-     */
-    wrapPropertyInArray: function(array, property, groupName, forceValueType, generatePreview)
-    {
-        for (var i = 0; i < array.length; ++i) {
-            if (typeof array[i] === "object" && property in array[i])
-                array[i][property] = this.wrapObject(array[i][property], groupName, forceValueType, generatePreview);
-        }
-    },
-
-    /**
-     * @param {!Array<*>} array
-     * @param {string} groupName
-     * @param {boolean} forceValueType
-     * @param {boolean} generatePreview
-     */
-    wrapObjectsInArray: function(array, groupName, forceValueType, generatePreview)
-    {
-        for (var i = 0; i < array.length; ++i)
-            array[i] = this.wrapObject(array[i], groupName, forceValueType, generatePreview);
-    },
-
-    /**
-     * @param {!Object} table
-     * @param {!Array.<string>|string|boolean} columns
-     * @return {!RuntimeAgent.RemoteObject}
-     */
-    wrapTable: function(table, columns)
-    {
-        var columnNames = null;
-        if (typeof columns === "string")
-            columns = [columns];
-        if (InjectedScriptHost.subtype(columns) === "array") {
-            columnNames = [];
-            for (var i = 0; i < columns.length; ++i)
-                columnNames[i] = toString(columns[i]);
-        }
-        return this._wrapObject(table, "console", false, true, columnNames, true);
-    },
-
-    /**
-     * This method cannot throw.
-     * @param {*} object
-     * @param {string=} objectGroupName
-     * @param {boolean=} forceValueType
-     * @param {boolean=} generatePreview
-     * @param {?Array.<string>=} columnNames
-     * @param {boolean=} isTable
-     * @param {boolean=} doNotBind
-     * @param {*=} customObjectConfig
-     * @return {!RuntimeAgent.RemoteObject}
-     * @suppress {checkTypes}
-     */
-    _wrapObject: function(object, objectGroupName, forceValueType, generatePreview, columnNames, isTable, doNotBind, customObjectConfig)
-    {
-        try {
-            return new InjectedScript.RemoteObject(object, objectGroupName, doNotBind, forceValueType, generatePreview, columnNames, isTable, undefined, customObjectConfig);
-        } catch (e) {
-            try {
-                var description = injectedScript._describe(e);
-            } catch (ex) {
-                var description = "<failed to convert exception to string>";
-            }
-            return new InjectedScript.RemoteObject(description);
-        }
-    },
-
-    /**
-     * @param {!Object|symbol} object
-     * @param {string=} objectGroupName
-     * @return {string}
-     */
-    _bind: function(object, objectGroupName)
-    {
-        var id = InjectedScriptHost.bind(object, objectGroupName || "");
-        return "{\"injectedScriptId\":" + injectedScriptId + ",\"id\":" + id + "}";
-    },
-
-    /**
-     * @param {!Object} object
-     * @param {string} objectGroupName
-     * @param {boolean} ownProperties
-     * @param {boolean} accessorPropertiesOnly
-     * @param {boolean} generatePreview
-     * @return {!Array<!RuntimeAgent.PropertyDescriptor>|boolean}
-     */
-    getProperties: function(object, objectGroupName, ownProperties, accessorPropertiesOnly, generatePreview)
-    {
-        var subtype = this._subtype(object);
-        if (subtype === "internal#scope") {
-            // Internally, scope contains object with scope variables and additional information like type,
-            // we use additional information for preview and would like to report variables as scope
-            // properties.
-            object = object.object;
-        }
-
-        var descriptors = [];
-        var iter = this._propertyDescriptors(object, ownProperties, accessorPropertiesOnly, undefined);
-        // Go over properties, wrap object values.
-        for (var descriptor of iter) {
-            if (subtype === "internal#scopeList" && descriptor.name === "length")
-                continue;
-            if ("get" in descriptor)
-                descriptor.get = this._wrapObject(descriptor.get, objectGroupName);
-            if ("set" in descriptor)
-                descriptor.set = this._wrapObject(descriptor.set, objectGroupName);
-            if ("value" in descriptor)
-                descriptor.value = this._wrapObject(descriptor.value, objectGroupName, false, generatePreview);
-            if (!("configurable" in descriptor))
-                descriptor.configurable = false;
-            if (!("enumerable" in descriptor))
-                descriptor.enumerable = false;
-            if ("symbol" in descriptor)
-                descriptor.symbol = this._wrapObject(descriptor.symbol, objectGroupName);
-            push(descriptors, descriptor);
-        }
-        return descriptors;
-    },
-
-    /**
-     * @param {!Object} object
-     * @return {?Object}
-     */
-    _objectPrototype: function(object)
-    {
-        if (InjectedScriptHost.subtype(object) === "proxy")
-            return null;
-        try {
-            return Object.getPrototypeOf(object);
-        } catch (e) {
-            return null;
-        }
-    },
-
-    /**
-     * @param {!Object} object
-     * @param {boolean=} ownProperties
-     * @param {boolean=} accessorPropertiesOnly
-     * @param {?Array.<string>=} propertyNamesOnly
-     */
-    _propertyDescriptors: function*(object, ownProperties, accessorPropertiesOnly, propertyNamesOnly)
-    {
-        var propertyProcessed = { __proto__: null };
-
-        /**
-         * @param {?Object} o
-         * @param {!Iterable<string|symbol|number>|!Array<string|number|symbol>} properties
-         */
-        function* process(o, properties)
-        {
-            for (var property of properties) {
-                var name;
-                if (isSymbol(property))
-                    name = /** @type {string} */ (injectedScript._describe(property));
-                else
-                    name = typeof property === "number" ? ("" + property) : /** @type {string} */(property);
-
-                if (propertyProcessed[property])
-                    continue;
-
-                try {
-                    propertyProcessed[property] = true;
-                    var descriptor = nullifyObjectProto(Object.getOwnPropertyDescriptor(o, property));
-                    if (descriptor) {
-                        if (accessorPropertiesOnly && !("get" in descriptor || "set" in descriptor))
-                            continue;
-                        if ("get" in descriptor && "set" in descriptor && name != "__proto__" && InjectedScriptHost.formatAccessorsAsProperties(object, descriptor.get) && !doesAttributeHaveObservableSideEffectOnGet(object, name)) {
-                            descriptor.value = object[property];
-                            descriptor.isOwn = true;
-                            delete descriptor.get;
-                            delete descriptor.set;
-                        }
-                    } else {
-                        // Not all bindings provide proper descriptors. Fall back to the writable, configurable property.
-                        if (accessorPropertiesOnly)
-                            continue;
-                        try {
-                            descriptor = { name: name, value: o[property], writable: false, configurable: false, enumerable: false, __proto__: null };
-                            if (o === object)
-                                descriptor.isOwn = true;
-                            yield descriptor;
-                        } catch (e) {
-                            // Silent catch.
-                        }
-                        continue;
-                    }
-                } catch (e) {
-                    if (accessorPropertiesOnly)
-                        continue;
-                    var descriptor = { __proto__: null };
-                    descriptor.value = e;
-                    descriptor.wasThrown = true;
-                }
-
-                descriptor.name = name;
-                if (o === object)
-                    descriptor.isOwn = true;
-                if (isSymbol(property))
-                    descriptor.symbol = property;
-                yield descriptor;
-            }
-        }
-
-        if (propertyNamesOnly) {
-            for (var i = 0; i < propertyNamesOnly.length; ++i) {
-                var name = propertyNamesOnly[i];
-                for (var o = object; this._isDefined(o); o = this._objectPrototype(o)) {
-                    if (InjectedScriptHost.objectHasOwnProperty(o, name)) {
-                        for (var descriptor of process(o, [name]))
-                            yield descriptor;
-                        break;
-                    }
-                    if (ownProperties)
-                        break;
-                }
-            }
-            return;
-        }
-
-        /**
-         * @param {number} length
-         */
-        function* arrayIndexNames(length)
-        {
-            for (var i = 0; i < length; ++i)
-                yield "" + i;
-        }
-
-        var skipGetOwnPropertyNames;
-        try {
-            skipGetOwnPropertyNames = InjectedScriptHost.subtype(object) === "typedarray" && object.length > 500000;
-        } catch (e) {
-        }
-
-        for (var o = object; this._isDefined(o); o = this._objectPrototype(o)) {
-            if (InjectedScriptHost.subtype(o) === "proxy")
-                continue;
-            if (skipGetOwnPropertyNames && o === object) {
-                // Avoid OOM crashes from getting all own property names of a large TypedArray.
-                for (var descriptor of process(o, arrayIndexNames(o.length)))
-                    yield descriptor;
-            } else {
-                // First call Object.keys() to enforce ordering of the property descriptors.
-                for (var descriptor of process(o, Object.keys(/** @type {!Object} */ (o))))
-                    yield descriptor;
-                for (var descriptor of process(o, Object.getOwnPropertyNames(/** @type {!Object} */ (o))))
-                    yield descriptor;
-            }
-            if (Object.getOwnPropertySymbols) {
-                for (var descriptor of process(o, Object.getOwnPropertySymbols(/** @type {!Object} */ (o))))
-                    yield descriptor;
-            }
-            if (ownProperties) {
-                var proto = this._objectPrototype(o);
-                if (proto && !accessorPropertiesOnly)
-                    yield { name: "__proto__", value: proto, writable: true, configurable: true, enumerable: false, isOwn: true, __proto__: null };
-                break;
-            }
-        }
-    },
-
-    /**
-     * @param {string|undefined} objectGroupName
-     * @param {*} jsonMLObject
-     * @throws {string} error message
-     */
-    _substituteObjectTagsInCustomPreview: function(objectGroupName, jsonMLObject)
-    {
-        var maxCustomPreviewRecursionDepth = 20;
-        this._customPreviewRecursionDepth = (this._customPreviewRecursionDepth || 0) + 1
-        try {
-            if (this._customPreviewRecursionDepth >= maxCustomPreviewRecursionDepth)
-                throw new Error("Too deep hierarchy of inlined custom previews");
-
-            if (!isArrayLike(jsonMLObject))
-                return;
-
-            if (jsonMLObject[0] === "object") {
-                var attributes = jsonMLObject[1];
-                var originObject = attributes["object"];
-                var config = attributes["config"];
-                if (typeof originObject === "undefined")
-                    throw new Error("Illegal format: obligatory attribute \"object\" isn't specified");
-
-                jsonMLObject[1] = this._wrapObject(originObject, objectGroupName, false, false, null, false, false, config);
-                return;
-            }
-
-            for (var i = 0; i < jsonMLObject.length; ++i)
-                this._substituteObjectTagsInCustomPreview(objectGroupName, jsonMLObject[i]);
-        } finally {
-            this._customPreviewRecursionDepth--;
-        }
-    },
-
-    /**
-     * @param {*} object
-     * @return {boolean}
-     */
-    _isDefined: function(object)
-    {
-        return !!object || this._isHTMLAllCollection(object);
-    },
-
-    /**
-     * @param {*} object
-     * @return {boolean}
-     */
-    _isHTMLAllCollection: function(object)
-    {
-        // document.all is reported as undefined, but we still want to process it.
-        return (typeof object === "undefined") && !!InjectedScriptHost.subtype(object);
-    },
-
-    /**
-     * @param {*} obj
-     * @return {?string}
-     */
-    _subtype: function(obj)
-    {
-        if (obj === null)
-            return "null";
-
-        if (this.isPrimitiveValue(obj))
-            return null;
-
-        var subtype = InjectedScriptHost.subtype(obj);
-        if (subtype)
-            return subtype;
-
-        if (isArrayLike(obj))
-            return "array";
-
-        // If owning frame has navigated to somewhere else window properties will be undefined.
-        return null;
-    },
-
-    /**
-     * @param {*} obj
-     * @return {?string}
-     */
-    _describe: function(obj)
-    {
-        if (this.isPrimitiveValue(obj))
-            return null;
-
-        var subtype = this._subtype(obj);
-
-        if (subtype === "regexp")
-            return toString(obj);
-
-        if (subtype === "date")
-            return toString(obj);
-
-        if (subtype === "node") {
-            var description = "";
-            if (obj.nodeName)
-                description = obj.nodeName.toLowerCase();
-            else if (obj.constructor)
-                description = obj.constructor.name.toLowerCase();
-
-            switch (obj.nodeType) {
-            case 1 /* Node.ELEMENT_NODE */:
-                description += obj.id ? "#" + obj.id : "";
-                var className = obj.className;
-                description += (className && typeof className === "string") ? "." + className.trim().replace(/\s+/g, ".") : "";
-                break;
-            case 10 /*Node.DOCUMENT_TYPE_NODE */:
-                description = "<!DOCTYPE " + description + ">";
-                break;
-            }
-            return description;
-        }
-
-        if (subtype === "proxy")
-            return "Proxy";
-
-        var className = InjectedScriptHost.internalConstructorName(obj);
-        if (subtype === "array" || subtype === "typedarray") {
-            if (typeof obj.length === "number")
-                className += "[" + obj.length + "]";
-            return className;
-        }
-
-        if (typeof obj === "function")
-            return toString(obj);
-
-        if (isSymbol(obj)) {
-            try {
-                // It isn't safe, because Symbol.prototype.toString can be overriden.
-                return /* suppressBlacklist */ obj.toString() || "Symbol";
-            } catch (e) {
-                return "Symbol";
-            }
-        }
-
-        if (InjectedScriptHost.subtype(obj) === "error") {
-            try {
-                var stack = obj.stack;
-                var message = obj.message && obj.message.length ? ": " + obj.message : "";
-                var firstCallFrame = /^\s+at\s/m.exec(stack);
-                var stackMessageEnd = firstCallFrame ? firstCallFrame.index : -1;
-                if (stackMessageEnd !== -1) {
-                    var stackTrace = stack.substr(stackMessageEnd);
-                    return className + message + "\n" + stackTrace;
-                }
-                return className + message;
-            } catch(e) {
-            }
-        }
-
-        if (subtype === "internal#entry") {
-            if ("key" in obj)
-                return "{" + this._describeIncludingPrimitives(obj.key) + " => " + this._describeIncludingPrimitives(obj.value) + "}";
-            return this._describeIncludingPrimitives(obj.value);
-        }
-
-        if (subtype === "internal#scopeList")
-            return "Scopes[" + obj.length + "]";
-
-        if (subtype === "internal#scope")
-            return (InjectedScript.closureTypes[obj.type] || "Unknown") + (obj.name ? " (" + obj.name + ")" : "");
-
-        return className;
-    },
-
-    /**
-     * @param {*} value
-     * @return {string}
-     */
-    _describeIncludingPrimitives: function(value)
-    {
-        if (typeof value === "string")
-            return "\"" + value.replace(/\n/g, "\u21B5") + "\"";
-        if (value === null)
-            return "" + value;
-        return this.isPrimitiveValue(value) ? toStringDescription(value) : (this._describe(value) || "");
-    },
-
-    /**
-     * @param {boolean} enabled
-     */
-    setCustomObjectFormatterEnabled: function(enabled)
-    {
-        this._customObjectFormatterEnabled = enabled;
-    }
-}
-
-/**
- * @type {!InjectedScript}
- * @const
- */
-var injectedScript = new InjectedScript();
-
-/**
- * @constructor
- * @param {*} object
- * @param {string=} objectGroupName
- * @param {boolean=} doNotBind
- * @param {boolean=} forceValueType
- * @param {boolean=} generatePreview
- * @param {?Array.<string>=} columnNames
- * @param {boolean=} isTable
- * @param {boolean=} skipEntriesPreview
- * @param {*=} customObjectConfig
- */
-InjectedScript.RemoteObject = function(object, objectGroupName, doNotBind, forceValueType, generatePreview, columnNames, isTable, skipEntriesPreview, customObjectConfig)
-{
-    this.type = typeof object;
-    if (this.type === "undefined" && injectedScript._isHTMLAllCollection(object))
-        this.type = "object";
-
-    if (injectedScript.isPrimitiveValue(object) || object === null || forceValueType) {
-        // We don't send undefined values over JSON.
-        if (this.type !== "undefined")
-            this.value = object;
-
-        // Null object is object with 'null' subtype.
-        if (object === null)
-            this.subtype = "null";
-
-        // Provide user-friendly number values.
-        if (this.type === "number") {
-            this.description = toStringDescription(object);
-            switch (this.description) {
-            case "NaN":
-            case "Infinity":
-            case "-Infinity":
-            case "-0":
-                delete this.value;
-                this.unserializableValue = this.description;
-                break;
-            }
-        }
-
-        return;
-    }
-
-    if (injectedScript._shouldPassByValue(object)) {
-        this.value = object;
-        this.subtype = injectedScript._subtype(object);
-        this.description = injectedScript._describeIncludingPrimitives(object);
-        return;
-    }
-
-    object = /** @type {!Object} */ (object);
-
-    if (!doNotBind)
-        this.objectId = injectedScript._bind(object, objectGroupName);
-    var subtype = injectedScript._subtype(object);
-    if (subtype)
-        this.subtype = subtype;
-    var className = InjectedScriptHost.internalConstructorName(object);
-    if (className)
-        this.className = className;
-    this.description = injectedScript._describe(object);
-
-    if (generatePreview && this.type === "object") {
-        if (this.subtype === "proxy")
-            this.preview = this._generatePreview(InjectedScriptHost.proxyTargetValue(object), undefined, columnNames, isTable, skipEntriesPreview);
-        else if (this.subtype !== "node")
-            this.preview = this._generatePreview(object, undefined, columnNames, isTable, skipEntriesPreview);
-    }
-
-    if (injectedScript._customObjectFormatterEnabled) {
-        var customPreview = this._customPreview(object, objectGroupName, customObjectConfig);
-        if (customPreview)
-            this.customPreview = customPreview;
-    }
-}
-
-InjectedScript.RemoteObject.prototype = {
-
-    /**
-     * @param {*} object
-     * @param {string=} objectGroupName
-     * @param {*=} customObjectConfig
-     * @return {?RuntimeAgent.CustomPreview}
-     */
-    _customPreview: function(object, objectGroupName, customObjectConfig)
-    {
-        /**
-         * @param {!Error} error
-         */
-        function logError(error)
-        {
-            // We use user code to generate custom output for object, we can use user code for reporting error too.
-            Promise.resolve().then(/* suppressBlacklist */ inspectedGlobalObject.console.error.bind(inspectedGlobalObject.console, "Custom Formatter Failed: " + error.message));
-        }
-
-        /**
-         * @suppressReceiverCheck
-         * @param {*} object
-         * @param {*=} customObjectConfig
-         * @return {*}
-         */
-        function wrap(object, customObjectConfig)
-        {
-            return injectedScript._wrapObject(object, objectGroupName, false, false, null, false, false, customObjectConfig);
-        }
-
-        try {
-            var formatters = inspectedGlobalObject["devtoolsFormatters"];
-            if (!formatters || !isArrayLike(formatters))
-                return null;
-
-            for (var i = 0; i < formatters.length; ++i) {
-                try {
-                    var formatted = formatters[i].header(object, customObjectConfig);
-                    if (!formatted)
-                        continue;
-
-                    var hasBody = formatters[i].hasBody(object, customObjectConfig);
-                    injectedScript._substituteObjectTagsInCustomPreview(objectGroupName, formatted);
-                    var formatterObjectId = injectedScript._bind(formatters[i], objectGroupName);
-                    var bindRemoteObjectFunctionId = injectedScript._bind(wrap, objectGroupName);
-                    var result = {header: JSON.stringify(formatted), hasBody: !!hasBody, formatterObjectId: formatterObjectId, bindRemoteObjectFunctionId: bindRemoteObjectFunctionId};
-                    if (customObjectConfig)
-                        result["configObjectId"] = injectedScript._bind(customObjectConfig, objectGroupName);
-                    return result;
-                } catch (e) {
-                    logError(e);
-                }
-            }
-        } catch (e) {
-            logError(e);
-        }
-        return null;
-    },
-
-    /**
-     * @return {!RuntimeAgent.ObjectPreview} preview
-     */
-    _createEmptyPreview: function()
-    {
-        var preview = {
-            type: /** @type {!RuntimeAgent.ObjectPreviewType.<string>} */ (this.type),
-            description: this.description || toStringDescription(this.value),
-            overflow: false,
-            properties: [],
-            __proto__: null
-        };
-        if (this.subtype)
-            preview.subtype = /** @type {!RuntimeAgent.ObjectPreviewSubtype.<string>} */ (this.subtype);
-        return preview;
-    },
-
-    /**
-     * @param {!Object} object
-     * @param {?Array.<string>=} firstLevelKeys
-     * @param {?Array.<string>=} secondLevelKeys
-     * @param {boolean=} isTable
-     * @param {boolean=} skipEntriesPreview
-     * @return {!RuntimeAgent.ObjectPreview} preview
-     */
-    _generatePreview: function(object, firstLevelKeys, secondLevelKeys, isTable, skipEntriesPreview)
-    {
-        var preview = this._createEmptyPreview();
-        var firstLevelKeysCount = firstLevelKeys ? firstLevelKeys.length : 0;
-
-        var propertiesThreshold = {
-            properties: isTable ? 1000 : max(5, firstLevelKeysCount),
-            indexes: isTable ? 1000 : max(100, firstLevelKeysCount),
-            __proto__: null
-        };
-
-        try {
-            var descriptors = injectedScript._propertyDescriptors(object, undefined, undefined, firstLevelKeys);
-
-            this._appendPropertyDescriptors(preview, descriptors, propertiesThreshold, secondLevelKeys, isTable);
-            if (propertiesThreshold.indexes < 0 || propertiesThreshold.properties < 0)
-                return preview;
-
-            // Add internal properties to preview.
-            var rawInternalProperties = InjectedScriptHost.getInternalProperties(object) || [];
-            var internalProperties = [];
-            var entries = null;
-            for (var i = 0; i < rawInternalProperties.length; i += 2) {
-                if (rawInternalProperties[i] === "[[Entries]]") {
-                    entries = /** @type {!Array<*>} */(rawInternalProperties[i + 1]);
-                    continue;
-                }
-                push(internalProperties, {
-                    name: rawInternalProperties[i],
-                    value: rawInternalProperties[i + 1],
-                    isOwn: true,
-                    enumerable: true,
-                    __proto__: null
-                });
-            }
-            this._appendPropertyDescriptors(preview, internalProperties, propertiesThreshold, secondLevelKeys, isTable);
-
-            if (this.subtype === "map" || this.subtype === "set" || this.subtype === "iterator")
-                this._appendEntriesPreview(entries, preview, skipEntriesPreview);
-
-        } catch (e) {}
-
-        return preview;
-    },
-
-    /**
-     * @param {!RuntimeAgent.ObjectPreview} preview
-     * @param {!Array.<*>|!Iterable.<*>} descriptors
-     * @param {!Object} propertiesThreshold
-     * @param {?Array.<string>=} secondLevelKeys
-     * @param {boolean=} isTable
-     */
-    _appendPropertyDescriptors: function(preview, descriptors, propertiesThreshold, secondLevelKeys, isTable)
-    {
-        for (var descriptor of descriptors) {
-            if (propertiesThreshold.indexes < 0 || propertiesThreshold.properties < 0)
-                break;
-            if (!descriptor || descriptor.wasThrown)
-                continue;
-
-            var name = descriptor.name;
-
-            // Ignore __proto__ property.
-            if (name === "__proto__")
-                continue;
-
-            // Ignore length property of array.
-            if ((this.subtype === "array" || this.subtype === "typedarray") && name === "length")
-                continue;
-
-            // Ignore size property of map, set.
-            if ((this.subtype === "map" || this.subtype === "set") && name === "size")
-                continue;
-
-            // Never preview prototype properties.
-            if (!descriptor.isOwn)
-                continue;
-
-            // Ignore computed properties.
-            if (!("value" in descriptor))
-                continue;
-
-            var value = descriptor.value;
-            var type = typeof value;
-
-            // Never render functions in object preview.
-            if (type === "function" && (this.subtype !== "array" || !isUInt32(name)))
-                continue;
-
-            // Special-case HTMLAll.
-            if (type === "undefined" && injectedScript._isHTMLAllCollection(value))
-                type = "object";
-
-            // Render own properties.
-            if (value === null) {
-                this._appendPropertyPreview(preview, { name: name, type: "object", subtype: "null", value: "null", __proto__: null }, propertiesThreshold);
-                continue;
-            }
-
-            var maxLength = 100;
-            if (InjectedScript.primitiveTypes[type]) {
-                if (type === "string" && value.length > maxLength)
-                    value = this._abbreviateString(value, maxLength, true);
-                this._appendPropertyPreview(preview, { name: name, type: type, value: toStringDescription(value), __proto__: null }, propertiesThreshold);
-                continue;
-            }
-
-            var property = { name: name, type: type, __proto__: null };
-            var subtype = injectedScript._subtype(value);
-            if (subtype)
-                property.subtype = subtype;
-
-            if (secondLevelKeys === null || secondLevelKeys) {
-                var subPreview = this._generatePreview(value, secondLevelKeys || undefined, undefined, isTable);
-                property.valuePreview = subPreview;
-                if (subPreview.overflow)
-                    preview.overflow = true;
-            } else {
-                var description = "";
-                if (type !== "function")
-                    description = this._abbreviateString(/** @type {string} */ (injectedScript._describe(value)), maxLength, subtype === "regexp");
-                property.value = description;
-            }
-            this._appendPropertyPreview(preview, property, propertiesThreshold);
-        }
-    },
-
-    /**
-     * @param {!RuntimeAgent.ObjectPreview} preview
-     * @param {!Object} property
-     * @param {!Object} propertiesThreshold
-     */
-    _appendPropertyPreview: function(preview, property, propertiesThreshold)
-    {
-        if (toString(property.name >>> 0) === property.name)
-            propertiesThreshold.indexes--;
-        else
-            propertiesThreshold.properties--;
-        if (propertiesThreshold.indexes < 0 || propertiesThreshold.properties < 0) {
-            preview.overflow = true;
-        } else {
-            push(preview.properties, property);
-        }
-    },
-
-    /**
-     * @param {?Array<*>} entries
-     * @param {!RuntimeAgent.ObjectPreview} preview
-     * @param {boolean=} skipEntriesPreview
-     */
-    _appendEntriesPreview: function(entries, preview, skipEntriesPreview)
-    {
-        if (!entries)
-            return;
-        if (skipEntriesPreview) {
-            if (entries.length)
-                preview.overflow = true;
-            return;
-        }
-        preview.entries = [];
-        var entriesThreshold = 5;
-        for (var i = 0; i < entries.length; ++i) {
-            if (preview.entries.length >= entriesThreshold) {
-                preview.overflow = true;
-                break;
-            }
-            var entry = nullifyObjectProto(entries[i]);
-            var previewEntry = {
-                value: generateValuePreview(entry.value),
-                __proto__: null
-            };
-            if ("key" in entry)
-                previewEntry.key = generateValuePreview(entry.key);
-            push(preview.entries, previewEntry);
-        }
-
-        /**
-         * @param {*} value
-         * @return {!RuntimeAgent.ObjectPreview}
-         */
-        function generateValuePreview(value)
-        {
-            var remoteObject = new InjectedScript.RemoteObject(value, undefined, true, undefined, true, undefined, undefined, true);
-            var valuePreview = remoteObject.preview || remoteObject._createEmptyPreview();
-            return valuePreview;
-        }
-    },
-
-    /**
-     * @param {string} string
-     * @param {number} maxLength
-     * @param {boolean=} middle
-     * @return {string}
-     */
-    _abbreviateString: function(string, maxLength, middle)
-    {
-        if (string.length <= maxLength)
-            return string;
-        if (middle) {
-            var leftHalf = maxLength >> 1;
-            var rightHalf = maxLength - leftHalf - 1;
-            return string.substr(0, leftHalf) + "\u2026" + string.substr(string.length - rightHalf, rightHalf);
-        }
-        return string.substr(0, maxLength) + "\u2026";
-    },
-
-    __proto__: null
-}
-
-return injectedScript;
-})