DevTools: reformat front-end code to match chromium style.

third_party/WebKit/Source/devtools/front_end/sdk/NetworkManager.js

 /*
  * Copyright (C) 2011 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
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
  * OWNER OR 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.
  */
-
 /**
- * @constructor
- * @extends {WebInspector.SDKModel}
- * @param {!WebInspector.Target} target
+ * @unrestricted
  */
-WebInspector.NetworkManager = function(target)
-{
-    WebInspector.SDKModel.call(this, WebInspector.NetworkManager, target);
+WebInspector.NetworkManager = class extends WebInspector.SDKModel {
+  /**
+   * @param {!WebInspector.Target} target
+   */
+  constructor(target) {
+    super(WebInspector.NetworkManager, target);
     this._dispatcher = new WebInspector.NetworkDispatcher(this);
     this._target = target;
     this._networkAgent = target.networkAgent();
     target.registerNetworkDispatcher(this._dispatcher);
-    if (WebInspector.moduleSetting("cacheDisabled").get())
-        this._networkAgent.setCacheDisabled(true);
-    if (WebInspector.moduleSetting("monitoringXHREnabled").get())
-        this._networkAgent.setMonitoringXHREnabled(true);
+    if (WebInspector.moduleSetting('cacheDisabled').get())
+      this._networkAgent.setCacheDisabled(true);
+    if (WebInspector.moduleSetting('monitoringXHREnabled').get())
+      this._networkAgent.setMonitoringXHREnabled(true);
 
     // Limit buffer when talking to a remote device.
-    if (Runtime.queryParam("remoteFrontend") || Runtime.queryParam("ws"))
-        this._networkAgent.enable(10000000, 5000000);
+    if (Runtime.queryParam('remoteFrontend') || Runtime.queryParam('ws'))
+      this._networkAgent.enable(10000000, 5000000);
     else
-        this._networkAgent.enable();
-
-    this._bypassServiceWorkerSetting = WebInspector.settings.createSetting("bypassServiceWorker", false);
+      this._networkAgent.enable();
+
+    this._bypassServiceWorkerSetting = WebInspector.settings.createSetting('bypassServiceWorker', false);
     if (this._bypassServiceWorkerSetting.get())
-        this._bypassServiceWorkerChanged();
+      this._bypassServiceWorkerChanged();
     this._bypassServiceWorkerSetting.addChangeListener(this._bypassServiceWorkerChanged, this);
 
-    WebInspector.moduleSetting("cacheDisabled").addChangeListener(this._cacheDisabledSettingChanged, this);
+    WebInspector.moduleSetting('cacheDisabled').addChangeListener(this._cacheDisabledSettingChanged, this);
+  }
+
+  /**
+   * @param {!WebInspector.Target} target
+   * @return {?WebInspector.NetworkManager}
+   */
+  static fromTarget(target) {
+    return /** @type {?WebInspector.NetworkManager} */ (target.model(WebInspector.NetworkManager));
+  }
+
+  /**
+   * @param {!WebInspector.NetworkManager.Conditions} conditions
+   * @return {!NetworkAgent.ConnectionType}
+   * TODO(allada): this belongs to NetworkConditionsSelector, which should hardcode/guess it.
+   */
+  static _connectionType(conditions) {
+    if (!conditions.download && !conditions.upload)
+      return NetworkAgent.ConnectionType.None;
+    var types = WebInspector.NetworkManager._connectionTypes;
+    if (!types) {
+      WebInspector.NetworkManager._connectionTypes = [];
+      types = WebInspector.NetworkManager._connectionTypes;
+      types.push(['2g', NetworkAgent.ConnectionType.Cellular2g]);
+      types.push(['3g', NetworkAgent.ConnectionType.Cellular3g]);
+      types.push(['4g', NetworkAgent.ConnectionType.Cellular4g]);
+      types.push(['bluetooth', NetworkAgent.ConnectionType.Bluetooth]);
+      types.push(['wifi', NetworkAgent.ConnectionType.Wifi]);
+      types.push(['wimax', NetworkAgent.ConnectionType.Wimax]);
+    }
+    for (var type of types) {
+      if (conditions.title.toLowerCase().indexOf(type[0]) !== -1)
+        return type[1];
+    }
+    return NetworkAgent.ConnectionType.Other;
+  }
+
+  /**
+   * @param {string} url
+   * @return {!WebInspector.NetworkRequest}
+   */
+  inflightRequestForURL(url) {
+    return this._dispatcher._inflightRequestsByURL[url];
+  }
+
+  /**
+   * @param {!WebInspector.Event} event
+   */
+  _cacheDisabledSettingChanged(event) {
+    var enabled = /** @type {boolean} */ (event.data);
+    this._networkAgent.setCacheDisabled(enabled);
+  }
+
+  /**
+   * @override
+   */
+  dispose() {
+    WebInspector.moduleSetting('cacheDisabled').removeChangeListener(this._cacheDisabledSettingChanged, this);
+  }
+
+  _bypassServiceWorkerChanged() {
+    this._networkAgent.setBypassServiceWorker(this._bypassServiceWorkerSetting.get());
+  }
 };
 
 /** @enum {symbol} */
 WebInspector.NetworkManager.Events = {
-    RequestStarted: Symbol("RequestStarted"),
-    RequestUpdated: Symbol("RequestUpdated"),
-    RequestFinished: Symbol("RequestFinished"),
-    RequestUpdateDropped: Symbol("RequestUpdateDropped"),
-    ResponseReceived: Symbol("ResponseReceived")
+  RequestStarted: Symbol('RequestStarted'),
+  RequestUpdated: Symbol('RequestUpdated'),
+  RequestFinished: Symbol('RequestFinished'),
+  RequestUpdateDropped: Symbol('RequestUpdateDropped'),
+  ResponseReceived: Symbol('ResponseReceived')
 };
 
 WebInspector.NetworkManager._MIMETypes = {
-    "text/html":                   {"document": true},
-    "text/xml":                    {"document": true},
-    "text/plain":                  {"document": true},
-    "application/xhtml+xml":       {"document": true},
-    "image/svg+xml":               {"document": true},
-    "text/css":                    {"stylesheet": true},
-    "text/xsl":                    {"stylesheet": true},
-    "text/vtt":                    {"texttrack": true},
+  'text/html': {'document': true},
+  'text/xml': {'document': true},
+  'text/plain': {'document': true},
+  'application/xhtml+xml': {'document': true},
+  'image/svg+xml': {'document': true},
+  'text/css': {'stylesheet': true},
+  'text/xsl': {'stylesheet': true},
+  'text/vtt': {'texttrack': true},
 };
 
-/**
- * @param {!WebInspector.Target} target
- * @return {?WebInspector.NetworkManager}
- */
-WebInspector.NetworkManager.fromTarget = function(target)
-{
-    return /** @type {?WebInspector.NetworkManager} */ (target.model(WebInspector.NetworkManager));
-};
 
 /** @typedef {{download: number, upload: number, latency: number, title: string}} */
 WebInspector.NetworkManager.Conditions;
 /** @type {!WebInspector.NetworkManager.Conditions} */
-WebInspector.NetworkManager.NoThrottlingConditions = {title: WebInspector.UIString("No throttling"), download: -1, upload: -1, latency: 0};
+WebInspector.NetworkManager.NoThrottlingConditions = {
+  title: WebInspector.UIString('No throttling'),
+  download: -1,
+  upload: -1,
+  latency: 0
+};
 /** @type {!WebInspector.NetworkManager.Conditions} */
-WebInspector.NetworkManager.OfflineConditions = {title: WebInspector.UIString("Offline"), download: 0, upload: 0, latency: 0};
+WebInspector.NetworkManager.OfflineConditions = {
+  title: WebInspector.UIString('Offline'),
+  download: 0,
+  upload: 0,
+  latency: 0
+};
+
 
 /**
- * @param {!WebInspector.NetworkManager.Conditions} conditions
- * @return {!NetworkAgent.ConnectionType}
- * TODO(allada): this belongs to NetworkConditionsSelector, which should hardcode/guess it.
+ * @implements {NetworkAgent.Dispatcher}
+ * @unrestricted
  */
-WebInspector.NetworkManager._connectionType = function(conditions)
-{
-    if (!conditions.download && !conditions.upload)
-        return NetworkAgent.ConnectionType.None;
-    var types = WebInspector.NetworkManager._connectionTypes;
-    if (!types) {
-        WebInspector.NetworkManager._connectionTypes = [];
-        types = WebInspector.NetworkManager._connectionTypes;
-        types.push(["2g", NetworkAgent.ConnectionType.Cellular2g]);
-        types.push(["3g", NetworkAgent.ConnectionType.Cellular3g]);
-        types.push(["4g", NetworkAgent.ConnectionType.Cellular4g]);
-        types.push(["bluetooth", NetworkAgent.ConnectionType.Bluetooth]);
-        types.push(["wifi", NetworkAgent.ConnectionType.Wifi]);
-        types.push(["wimax", NetworkAgent.ConnectionType.Wimax]);
-    }
-    for (var type of types) {
-        if (conditions.title.toLowerCase().indexOf(type[0]) !== -1)
-            return type[1];
-    }
-    return NetworkAgent.ConnectionType.Other;
-};
-
-WebInspector.NetworkManager.prototype = {
-    /**
-     * @param {string} url
-     * @return {!WebInspector.NetworkRequest}
-     */
-    inflightRequestForURL: function(url)
-    {
-        return this._dispatcher._inflightRequestsByURL[url];
-    },
-
-    /**
-     * @param {!WebInspector.Event} event
-     */
-    _cacheDisabledSettingChanged: function(event)
-    {
-        var enabled = /** @type {boolean} */ (event.data);
-        this._networkAgent.setCacheDisabled(enabled);
-    },
-
-    dispose: function()
-    {
-        WebInspector.moduleSetting("cacheDisabled").removeChangeListener(this._cacheDisabledSettingChanged, this);
-    },
-
-    _bypassServiceWorkerChanged: function()
-    {
-        this._networkAgent.setBypassServiceWorker(this._bypassServiceWorkerSetting.get());
-    },
-
-    __proto__: WebInspector.SDKModel.prototype
-};
-
-/**
- * @constructor
- * @implements {NetworkAgent.Dispatcher}
- */
-WebInspector.NetworkDispatcher = function(manager)
-{
+WebInspector.NetworkDispatcher = class {
+  constructor(manager) {
     this._manager = manager;
     this._inflightRequestsById = {};
     this._inflightRequestsByURL = {};
+  }
+
+  /**
+   * @param {!NetworkAgent.Headers} headersMap
+   * @return {!Array.<!WebInspector.NetworkRequest.NameValue>}
+   */
+  _headersMapToHeadersArray(headersMap) {
+    var result = [];
+    for (var name in headersMap) {
+      var values = headersMap[name].split('\n');
+      for (var i = 0; i < values.length; ++i)
+        result.push({name: name, value: values[i]});
+    }
+    return result;
+  }
+
+  /**
+   * @param {!WebInspector.NetworkRequest} networkRequest
+   * @param {!NetworkAgent.Request} request
+   */
+  _updateNetworkRequestWithRequest(networkRequest, request) {
+    networkRequest.requestMethod = request.method;
+    networkRequest.setRequestHeaders(this._headersMapToHeadersArray(request.headers));
+    networkRequest.requestFormData = request.postData;
+    networkRequest.setInitialPriority(request.initialPriority);
+    networkRequest.mixedContentType = request.mixedContentType || NetworkAgent.RequestMixedContentType.None;
+  }
+
+  /**
+   * @param {!WebInspector.NetworkRequest} networkRequest
+   * @param {!NetworkAgent.Response=} response
+   */
+  _updateNetworkRequestWithResponse(networkRequest, response) {
+    if (response.url && networkRequest.url !== response.url)
+      networkRequest.url = response.url;
+    networkRequest.mimeType = response.mimeType;
+    networkRequest.statusCode = response.status;
+    networkRequest.statusText = response.statusText;
+    networkRequest.responseHeaders = this._headersMapToHeadersArray(response.headers);
+    if (response.encodedDataLength >= 0)
+      networkRequest.setTransferSize(response.encodedDataLength);
+    if (response.headersText)
+      networkRequest.responseHeadersText = response.headersText;
+    if (response.requestHeaders) {
+      networkRequest.setRequestHeaders(this._headersMapToHeadersArray(response.requestHeaders));
+      networkRequest.setRequestHeadersText(response.requestHeadersText || '');
+    }
+
+    networkRequest.connectionReused = response.connectionReused;
+    networkRequest.connectionId = String(response.connectionId);
+    if (response.remoteIPAddress)
+      networkRequest.setRemoteAddress(response.remoteIPAddress, response.remotePort || -1);
+
+    if (response.fromServiceWorker)
+      networkRequest.fetchedViaServiceWorker = true;
+
+    if (response.fromDiskCache)
+      networkRequest.setFromDiskCache();
+    networkRequest.timing = response.timing;
+
+    networkRequest.protocol = response.protocol;
+
+    networkRequest.setSecurityState(response.securityState);
+
+    if (!this._mimeTypeIsConsistentWithType(networkRequest)) {
+      var consoleModel = this._manager._target.consoleModel;
+      consoleModel.addMessage(new WebInspector.ConsoleMessage(
+          consoleModel.target(), WebInspector.ConsoleMessage.MessageSource.Network,
+          WebInspector.ConsoleMessage.MessageLevel.Log,
+          WebInspector.UIString(
+              'Resource interpreted as %s but transferred with MIME type %s: "%s".',
+              networkRequest.resourceType().title(), networkRequest.mimeType, networkRequest.url),
+          WebInspector.ConsoleMessage.MessageType.Log, '', 0, 0, networkRequest.requestId));
+    }
+
+    if (response.securityDetails)
+      networkRequest.setSecurityDetails(response.securityDetails);
+  }
+
+  /**
+   * @param {!WebInspector.NetworkRequest} networkRequest
+   * @return {boolean}
+   */
+  _mimeTypeIsConsistentWithType(networkRequest) {
+    // If status is an error, content is likely to be of an inconsistent type,
+    // as it's going to be an error message. We do not want to emit a warning
+    // for this, though, as this will already be reported as resource loading failure.
+    // Also, if a URL like http://localhost/wiki/load.php?debug=true&lang=en produces text/css and gets reloaded,
+    // it is 304 Not Modified and its guessed mime-type is text/php, which is wrong.
+    // Don't check for mime-types in 304-resources.
+    if (networkRequest.hasErrorStatusCode() || networkRequest.statusCode === 304 || networkRequest.statusCode === 204)
+      return true;
+
+    var resourceType = networkRequest.resourceType();
+    if (resourceType !== WebInspector.resourceTypes.Stylesheet &&
+        resourceType !== WebInspector.resourceTypes.Document && resourceType !== WebInspector.resourceTypes.TextTrack) {
+      return true;
+    }
+
+    if (!networkRequest.mimeType)
+      return true;  // Might be not known for cached resources with null responses.
+
+    if (networkRequest.mimeType in WebInspector.NetworkManager._MIMETypes)
+      return resourceType.name() in WebInspector.NetworkManager._MIMETypes[networkRequest.mimeType];
+
+    return false;
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.ResourcePriority} newPriority
+   * @param {!NetworkAgent.Timestamp} timestamp
+   */
+  resourceChangedPriority(requestId, newPriority, timestamp) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (networkRequest)
+      networkRequest.setPriority(newPriority);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!PageAgent.FrameId} frameId
+   * @param {!NetworkAgent.LoaderId} loaderId
+   * @param {string} documentURL
+   * @param {!NetworkAgent.Request} request
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {!NetworkAgent.Timestamp} wallTime
+   * @param {!NetworkAgent.Initiator} initiator
+   * @param {!NetworkAgent.Response=} redirectResponse
+   * @param {!PageAgent.ResourceType=} resourceType
+   */
+  requestWillBeSent(
+      requestId,
+      frameId,
+      loaderId,
+      documentURL,
+      request,
+      time,
+      wallTime,
+      initiator,
+      redirectResponse,
+      resourceType) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (networkRequest) {
+      // FIXME: move this check to the backend.
+      if (!redirectResponse)
+        return;
+      this.responseReceived(requestId, frameId, loaderId, time, PageAgent.ResourceType.Other, redirectResponse);
+      networkRequest = this._appendRedirect(requestId, time, request.url);
+    } else
+      networkRequest = this._createNetworkRequest(requestId, frameId, loaderId, request.url, documentURL, initiator);
+    networkRequest.hasNetworkData = true;
+    this._updateNetworkRequestWithRequest(networkRequest, request);
+    networkRequest.setIssueTime(time, wallTime);
+    networkRequest.setResourceType(WebInspector.resourceTypes[resourceType]);
+
+    this._startNetworkRequest(networkRequest);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   */
+  requestServedFromCache(requestId) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+
+    networkRequest.setFromMemoryCache();
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!PageAgent.FrameId} frameId
+   * @param {!NetworkAgent.LoaderId} loaderId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {!PageAgent.ResourceType} resourceType
+   * @param {!NetworkAgent.Response} response
+   */
+  responseReceived(requestId, frameId, loaderId, time, resourceType, response) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest) {
+      // We missed the requestWillBeSent.
+      var eventData = {};
+      eventData.url = response.url;
+      eventData.frameId = frameId;
+      eventData.loaderId = loaderId;
+      eventData.resourceType = resourceType;
+      eventData.mimeType = response.mimeType;
+      var lastModifiedHeader = response.headers['last-modified'];
+      eventData.lastModified = lastModifiedHeader ? new Date(lastModifiedHeader) : null;
+      this._manager.dispatchEventToListeners(WebInspector.NetworkManager.Events.RequestUpdateDropped, eventData);
+      return;
+    }
+
+    networkRequest.responseReceivedTime = time;
+    networkRequest.setResourceType(WebInspector.resourceTypes[resourceType]);
+
+    this._updateNetworkRequestWithResponse(networkRequest, response);
+
+    this._updateNetworkRequest(networkRequest);
+    this._manager.dispatchEventToListeners(WebInspector.NetworkManager.Events.ResponseReceived, networkRequest);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {number} dataLength
+   * @param {number} encodedDataLength
+   */
+  dataReceived(requestId, time, dataLength, encodedDataLength) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+
+    networkRequest.resourceSize += dataLength;
+    if (encodedDataLength !== -1)
+      networkRequest.increaseTransferSize(encodedDataLength);
+    networkRequest.endTime = time;
+
+    this._updateNetworkRequest(networkRequest);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} finishTime
+   * @param {number} encodedDataLength
+   */
+  loadingFinished(requestId, finishTime, encodedDataLength) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+    this._finishNetworkRequest(networkRequest, finishTime, encodedDataLength);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {!PageAgent.ResourceType} resourceType
+   * @param {string} localizedDescription
+   * @param {boolean=} canceled
+   * @param {!NetworkAgent.BlockedReason=} blockedReason
+   */
+  loadingFailed(requestId, time, resourceType, localizedDescription, canceled, blockedReason) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+
+    networkRequest.failed = true;
+    networkRequest.setResourceType(WebInspector.resourceTypes[resourceType]);
+    networkRequest.canceled = canceled;
+    if (blockedReason) {
+      networkRequest.setBlockedReason(blockedReason);
+      if (blockedReason === NetworkAgent.BlockedReason.Inspector) {
+        var consoleModel = this._manager._target.consoleModel;
+        consoleModel.addMessage(new WebInspector.ConsoleMessage(
+            consoleModel.target(), WebInspector.ConsoleMessage.MessageSource.Network,
+            WebInspector.ConsoleMessage.MessageLevel.Warning,
+            WebInspector.UIString('Request was blocked by DevTools: "%s".', networkRequest.url),
+            WebInspector.ConsoleMessage.MessageType.Log, '', 0, 0, networkRequest.requestId));
+      }
+    }
+    networkRequest.localizedFailDescription = localizedDescription;
+    this._finishNetworkRequest(networkRequest, time, -1);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {string} requestURL
+   * @param {!NetworkAgent.Initiator=} initiator
+   */
+  webSocketCreated(requestId, requestURL, initiator) {
+    var networkRequest =
+        new WebInspector.NetworkRequest(this._manager._target, requestId, requestURL, '', '', '', initiator || null);
+    networkRequest.setResourceType(WebInspector.resourceTypes.WebSocket);
+    this._startNetworkRequest(networkRequest);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {!NetworkAgent.Timestamp} wallTime
+   * @param {!NetworkAgent.WebSocketRequest} request
+   */
+  webSocketWillSendHandshakeRequest(requestId, time, wallTime, request) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+
+    networkRequest.requestMethod = 'GET';
+    networkRequest.setRequestHeaders(this._headersMapToHeadersArray(request.headers));
+    networkRequest.setIssueTime(time, wallTime);
+
+    this._updateNetworkRequest(networkRequest);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {!NetworkAgent.WebSocketResponse} response
+   */
+  webSocketHandshakeResponseReceived(requestId, time, response) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+
+    networkRequest.statusCode = response.status;
+    networkRequest.statusText = response.statusText;
+    networkRequest.responseHeaders = this._headersMapToHeadersArray(response.headers);
+    networkRequest.responseHeadersText = response.headersText;
+    if (response.requestHeaders)
+      networkRequest.setRequestHeaders(this._headersMapToHeadersArray(response.requestHeaders));
+    if (response.requestHeadersText)
+      networkRequest.setRequestHeadersText(response.requestHeadersText);
+    networkRequest.responseReceivedTime = time;
+    networkRequest.protocol = 'websocket';
+
+    this._updateNetworkRequest(networkRequest);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {!NetworkAgent.WebSocketFrame} response
+   */
+  webSocketFrameReceived(requestId, time, response) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+
+    networkRequest.addFrame(response, time);
+    networkRequest.responseReceivedTime = time;
+
+    this._updateNetworkRequest(networkRequest);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {!NetworkAgent.WebSocketFrame} response
+   */
+  webSocketFrameSent(requestId, time, response) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+
+    networkRequest.addFrame(response, time, true);
+    networkRequest.responseReceivedTime = time;
+
+    this._updateNetworkRequest(networkRequest);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {string} errorMessage
+   */
+  webSocketFrameError(requestId, time, errorMessage) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+
+    networkRequest.addFrameError(errorMessage, time);
+    networkRequest.responseReceivedTime = time;
+
+    this._updateNetworkRequest(networkRequest);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   */
+  webSocketClosed(requestId, time) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+    this._finishNetworkRequest(networkRequest, time, -1);
+  }
+
+  /**
+   * @override
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {string} eventName
+   * @param {string} eventId
+   * @param {string} data
+   */
+  eventSourceMessageReceived(requestId, time, eventName, eventId, data) {
+    var networkRequest = this._inflightRequestsById[requestId];
+    if (!networkRequest)
+      return;
+    networkRequest.addEventSourceMessage(time, eventName, eventId, data);
+  }
+
+  /**
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {!NetworkAgent.Timestamp} time
+   * @param {string} redirectURL
+   * @return {!WebInspector.NetworkRequest}
+   */
+  _appendRedirect(requestId, time, redirectURL) {
+    var originalNetworkRequest = this._inflightRequestsById[requestId];
+    var previousRedirects = originalNetworkRequest.redirects || [];
+    originalNetworkRequest.requestId = requestId + ':redirected.' + previousRedirects.length;
+    delete originalNetworkRequest.redirects;
+    if (previousRedirects.length > 0)
+      originalNetworkRequest.redirectSource = previousRedirects[previousRedirects.length - 1];
+    this._finishNetworkRequest(originalNetworkRequest, time, -1);
+    var newNetworkRequest = this._createNetworkRequest(
+        requestId, originalNetworkRequest.frameId, originalNetworkRequest.loaderId, redirectURL,
+        originalNetworkRequest.documentURL, originalNetworkRequest.initiator());
+    newNetworkRequest.redirects = previousRedirects.concat(originalNetworkRequest);
+    return newNetworkRequest;
+  }
+
+  /**
+   * @param {!WebInspector.NetworkRequest} networkRequest
+   */
+  _startNetworkRequest(networkRequest) {
+    this._inflightRequestsById[networkRequest.requestId] = networkRequest;
+    this._inflightRequestsByURL[networkRequest.url] = networkRequest;
+    this._dispatchEventToListeners(WebInspector.NetworkManager.Events.RequestStarted, networkRequest);
+  }
+
+  /**
+   * @param {!WebInspector.NetworkRequest} networkRequest
+   */
+  _updateNetworkRequest(networkRequest) {
+    this._dispatchEventToListeners(WebInspector.NetworkManager.Events.RequestUpdated, networkRequest);
+  }
+
+  /**
+   * @param {!WebInspector.NetworkRequest} networkRequest
+   * @param {!NetworkAgent.Timestamp} finishTime
+   * @param {number} encodedDataLength
+   */
+  _finishNetworkRequest(networkRequest, finishTime, encodedDataLength) {
+    networkRequest.endTime = finishTime;
+    networkRequest.finished = true;
+    if (encodedDataLength >= 0)
+      networkRequest.setTransferSize(encodedDataLength);
+    this._dispatchEventToListeners(WebInspector.NetworkManager.Events.RequestFinished, networkRequest);
+    delete this._inflightRequestsById[networkRequest.requestId];
+    delete this._inflightRequestsByURL[networkRequest.url];
+  }
+
+  /**
+   * @param {string} eventType
+   * @param {!WebInspector.NetworkRequest} networkRequest
+   */
+  _dispatchEventToListeners(eventType, networkRequest) {
+    this._manager.dispatchEventToListeners(eventType, networkRequest);
+  }
+
+  /**
+   * @param {!NetworkAgent.RequestId} requestId
+   * @param {string} frameId
+   * @param {!NetworkAgent.LoaderId} loaderId
+   * @param {string} url
+   * @param {string} documentURL
+   * @param {?NetworkAgent.Initiator} initiator
+   */
+  _createNetworkRequest(requestId, frameId, loaderId, url, documentURL, initiator) {
+    return new WebInspector.NetworkRequest(
+        this._manager._target, requestId, url, documentURL, frameId, loaderId, initiator);
+  }
 };
 
-WebInspector.NetworkDispatcher.prototype = {
-    /**
-     * @param {!NetworkAgent.Headers} headersMap
-     * @return {!Array.<!WebInspector.NetworkRequest.NameValue>}
-     */
-    _headersMapToHeadersArray: function(headersMap)
-    {
-        var result = [];
-        for (var name in headersMap) {
-            var values = headersMap[name].split("\n");
-            for (var i = 0; i < values.length; ++i)
-                result.push({name: name, value: values[i]});
-        }
-        return result;
-    },
-
-    /**
-     * @param {!WebInspector.NetworkRequest} networkRequest
-     * @param {!NetworkAgent.Request} request
-     */
-    _updateNetworkRequestWithRequest: function(networkRequest, request)
-    {
-        networkRequest.requestMethod = request.method;
-        networkRequest.setRequestHeaders(this._headersMapToHeadersArray(request.headers));
-        networkRequest.requestFormData = request.postData;
-        networkRequest.setInitialPriority(request.initialPriority);
-        networkRequest.mixedContentType = request.mixedContentType || NetworkAgent.RequestMixedContentType.None;
-    },
-
-    /**
-     * @param {!WebInspector.NetworkRequest} networkRequest
-     * @param {!NetworkAgent.Response=} response
-     */
-    _updateNetworkRequestWithResponse: function(networkRequest, response)
-    {
-        if (response.url && networkRequest.url !== response.url)
-            networkRequest.url = response.url;
-        networkRequest.mimeType = response.mimeType;
-        networkRequest.statusCode = response.status;
-        networkRequest.statusText = response.statusText;
-        networkRequest.responseHeaders = this._headersMapToHeadersArray(response.headers);
-        if (response.encodedDataLength >= 0)
-            networkRequest.setTransferSize(response.encodedDataLength);
-        if (response.headersText)
-            networkRequest.responseHeadersText = response.headersText;
-        if (response.requestHeaders) {
-            networkRequest.setRequestHeaders(this._headersMapToHeadersArray(response.requestHeaders));
-            networkRequest.setRequestHeadersText(response.requestHeadersText || "");
-        }
-
-        networkRequest.connectionReused = response.connectionReused;
-        networkRequest.connectionId = String(response.connectionId);
-        if (response.remoteIPAddress)
-            networkRequest.setRemoteAddress(response.remoteIPAddress, response.remotePort || -1);
-
-        if (response.fromServiceWorker)
-            networkRequest.fetchedViaServiceWorker = true;
-
-        if (response.fromDiskCache)
-            networkRequest.setFromDiskCache();
-        networkRequest.timing = response.timing;
-
-        networkRequest.protocol = response.protocol;
-
-        networkRequest.setSecurityState(response.securityState);
-
-        if (!this._mimeTypeIsConsistentWithType(networkRequest)) {
-            var consoleModel = this._manager._target.consoleModel;
-            consoleModel.addMessage(new WebInspector.ConsoleMessage(consoleModel.target(), WebInspector.ConsoleMessage.MessageSource.Network,
-                WebInspector.ConsoleMessage.MessageLevel.Log,
-                WebInspector.UIString("Resource interpreted as %s but transferred with MIME type %s: \"%s\".", networkRequest.resourceType().title(), networkRequest.mimeType, networkRequest.url),
-                WebInspector.ConsoleMessage.MessageType.Log,
-                "",
-                0,
-                0,
-                networkRequest.requestId));
-        }
-
-        if (response.securityDetails)
-            networkRequest.setSecurityDetails(response.securityDetails);
-    },
-
-    /**
-     * @param {!WebInspector.NetworkRequest} networkRequest
-     * @return {boolean}
-     */
-    _mimeTypeIsConsistentWithType: function(networkRequest)
-    {
-        // If status is an error, content is likely to be of an inconsistent type,
-        // as it's going to be an error message. We do not want to emit a warning
-        // for this, though, as this will already be reported as resource loading failure.
-        // Also, if a URL like http://localhost/wiki/load.php?debug=true&lang=en produces text/css and gets reloaded,
-        // it is 304 Not Modified and its guessed mime-type is text/php, which is wrong.
-        // Don't check for mime-types in 304-resources.
-        if (networkRequest.hasErrorStatusCode() || networkRequest.statusCode === 304 || networkRequest.statusCode === 204)
-            return true;
-
-        var resourceType = networkRequest.resourceType();
-        if (resourceType !== WebInspector.resourceTypes.Stylesheet &&
-            resourceType !== WebInspector.resourceTypes.Document &&
-            resourceType !== WebInspector.resourceTypes.TextTrack) {
-            return true;
-        }
-
-        if (!networkRequest.mimeType)
-            return true; // Might be not known for cached resources with null responses.
-
-        if (networkRequest.mimeType in WebInspector.NetworkManager._MIMETypes)
-            return resourceType.name() in WebInspector.NetworkManager._MIMETypes[networkRequest.mimeType];
-
-        return false;
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.ResourcePriority} newPriority
-     * @param {!NetworkAgent.Timestamp} timestamp
-     */
-    resourceChangedPriority: function(requestId, newPriority, timestamp)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (networkRequest)
-            networkRequest.setPriority(newPriority);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!PageAgent.FrameId} frameId
-     * @param {!NetworkAgent.LoaderId} loaderId
-     * @param {string} documentURL
-     * @param {!NetworkAgent.Request} request
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {!NetworkAgent.Timestamp} wallTime
-     * @param {!NetworkAgent.Initiator} initiator
-     * @param {!NetworkAgent.Response=} redirectResponse
-     * @param {!PageAgent.ResourceType=} resourceType
-     */
-    requestWillBeSent: function(requestId, frameId, loaderId, documentURL, request, time, wallTime, initiator, redirectResponse, resourceType)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (networkRequest) {
-            // FIXME: move this check to the backend.
-            if (!redirectResponse)
-                return;
-            this.responseReceived(requestId, frameId, loaderId, time, PageAgent.ResourceType.Other, redirectResponse);
-            networkRequest = this._appendRedirect(requestId, time, request.url);
-        } else
-            networkRequest = this._createNetworkRequest(requestId, frameId, loaderId, request.url, documentURL, initiator);
-        networkRequest.hasNetworkData = true;
-        this._updateNetworkRequestWithRequest(networkRequest, request);
-        networkRequest.setIssueTime(time, wallTime);
-        networkRequest.setResourceType(WebInspector.resourceTypes[resourceType]);
-
-        this._startNetworkRequest(networkRequest);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     */
-    requestServedFromCache: function(requestId)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-
-        networkRequest.setFromMemoryCache();
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!PageAgent.FrameId} frameId
-     * @param {!NetworkAgent.LoaderId} loaderId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {!PageAgent.ResourceType} resourceType
-     * @param {!NetworkAgent.Response} response
-     */
-    responseReceived: function(requestId, frameId, loaderId, time, resourceType, response)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest) {
-            // We missed the requestWillBeSent.
-            var eventData = {};
-            eventData.url = response.url;
-            eventData.frameId = frameId;
-            eventData.loaderId = loaderId;
-            eventData.resourceType = resourceType;
-            eventData.mimeType = response.mimeType;
-            var lastModifiedHeader = response.headers["last-modified"];
-            eventData.lastModified = lastModifiedHeader ? new Date(lastModifiedHeader) : null;
-            this._manager.dispatchEventToListeners(WebInspector.NetworkManager.Events.RequestUpdateDropped, eventData);
-            return;
-        }
-
-        networkRequest.responseReceivedTime = time;
-        networkRequest.setResourceType(WebInspector.resourceTypes[resourceType]);
-
-        this._updateNetworkRequestWithResponse(networkRequest, response);
-
-        this._updateNetworkRequest(networkRequest);
-        this._manager.dispatchEventToListeners(WebInspector.NetworkManager.Events.ResponseReceived, networkRequest);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {number} dataLength
-     * @param {number} encodedDataLength
-     */
-    dataReceived: function(requestId, time, dataLength, encodedDataLength)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-
-        networkRequest.resourceSize += dataLength;
-        if (encodedDataLength !== -1)
-            networkRequest.increaseTransferSize(encodedDataLength);
-        networkRequest.endTime = time;
-
-        this._updateNetworkRequest(networkRequest);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} finishTime
-     * @param {number} encodedDataLength
-     */
-    loadingFinished: function(requestId, finishTime, encodedDataLength)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-        this._finishNetworkRequest(networkRequest, finishTime, encodedDataLength);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {!PageAgent.ResourceType} resourceType
-     * @param {string} localizedDescription
-     * @param {boolean=} canceled
-     * @param {!NetworkAgent.BlockedReason=} blockedReason
-     */
-    loadingFailed: function(requestId, time, resourceType, localizedDescription, canceled, blockedReason)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-
-        networkRequest.failed = true;
-        networkRequest.setResourceType(WebInspector.resourceTypes[resourceType]);
-        networkRequest.canceled = canceled;
-        if (blockedReason) {
-            networkRequest.setBlockedReason(blockedReason);
-            if (blockedReason === NetworkAgent.BlockedReason.Inspector) {
-                var consoleModel = this._manager._target.consoleModel;
-                consoleModel.addMessage(new WebInspector.ConsoleMessage(consoleModel.target(), WebInspector.ConsoleMessage.MessageSource.Network,
-                    WebInspector.ConsoleMessage.MessageLevel.Warning,
-                    WebInspector.UIString("Request was blocked by DevTools: \"%s\".", networkRequest.url),
-                    WebInspector.ConsoleMessage.MessageType.Log,
-                    "",
-                    0,
-                    0,
-                    networkRequest.requestId));
-            }
-        }
-        networkRequest.localizedFailDescription = localizedDescription;
-        this._finishNetworkRequest(networkRequest, time, -1);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {string} requestURL
-     * @param {!NetworkAgent.Initiator=} initiator
-     */
-    webSocketCreated: function(requestId, requestURL, initiator)
-    {
-        var networkRequest = new WebInspector.NetworkRequest(this._manager._target, requestId, requestURL, "", "", "", initiator || null);
-        networkRequest.setResourceType(WebInspector.resourceTypes.WebSocket);
-        this._startNetworkRequest(networkRequest);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {!NetworkAgent.Timestamp} wallTime
-     * @param {!NetworkAgent.WebSocketRequest} request
-     */
-    webSocketWillSendHandshakeRequest: function(requestId, time, wallTime, request)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-
-        networkRequest.requestMethod = "GET";
-        networkRequest.setRequestHeaders(this._headersMapToHeadersArray(request.headers));
-        networkRequest.setIssueTime(time, wallTime);
-
-        this._updateNetworkRequest(networkRequest);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {!NetworkAgent.WebSocketResponse} response
-     */
-    webSocketHandshakeResponseReceived: function(requestId, time, response)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-
-        networkRequest.statusCode = response.status;
-        networkRequest.statusText = response.statusText;
-        networkRequest.responseHeaders = this._headersMapToHeadersArray(response.headers);
-        networkRequest.responseHeadersText = response.headersText;
-        if (response.requestHeaders)
-            networkRequest.setRequestHeaders(this._headersMapToHeadersArray(response.requestHeaders));
-        if (response.requestHeadersText)
-            networkRequest.setRequestHeadersText(response.requestHeadersText);
-        networkRequest.responseReceivedTime = time;
-        networkRequest.protocol = "websocket";
-
-        this._updateNetworkRequest(networkRequest);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {!NetworkAgent.WebSocketFrame} response
-     */
-    webSocketFrameReceived: function(requestId, time, response)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-
-        networkRequest.addFrame(response, time);
-        networkRequest.responseReceivedTime = time;
-
-        this._updateNetworkRequest(networkRequest);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {!NetworkAgent.WebSocketFrame} response
-     */
-    webSocketFrameSent: function(requestId, time, response)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-
-        networkRequest.addFrame(response, time, true);
-        networkRequest.responseReceivedTime = time;
-
-        this._updateNetworkRequest(networkRequest);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {string} errorMessage
-     */
-    webSocketFrameError: function(requestId, time, errorMessage)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-
-        networkRequest.addFrameError(errorMessage, time);
-        networkRequest.responseReceivedTime = time;
-
-        this._updateNetworkRequest(networkRequest);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     */
-    webSocketClosed: function(requestId, time)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-        this._finishNetworkRequest(networkRequest, time, -1);
-    },
-
-    /**
-     * @override
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {string} eventName
-     * @param {string} eventId
-     * @param {string} data
-     */
-    eventSourceMessageReceived: function(requestId, time, eventName, eventId, data)
-    {
-        var networkRequest = this._inflightRequestsById[requestId];
-        if (!networkRequest)
-            return;
-        networkRequest.addEventSourceMessage(time, eventName, eventId, data);
-    },
-
-    /**
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {!NetworkAgent.Timestamp} time
-     * @param {string} redirectURL
-     * @return {!WebInspector.NetworkRequest}
-     */
-    _appendRedirect: function(requestId, time, redirectURL)
-    {
-        var originalNetworkRequest = this._inflightRequestsById[requestId];
-        var previousRedirects = originalNetworkRequest.redirects || [];
-        originalNetworkRequest.requestId = requestId + ":redirected." + previousRedirects.length;
-        delete originalNetworkRequest.redirects;
-        if (previousRedirects.length > 0)
-            originalNetworkRequest.redirectSource = previousRedirects[previousRedirects.length - 1];
-        this._finishNetworkRequest(originalNetworkRequest, time, -1);
-        var newNetworkRequest = this._createNetworkRequest(requestId, originalNetworkRequest.frameId, originalNetworkRequest.loaderId,
-             redirectURL, originalNetworkRequest.documentURL, originalNetworkRequest.initiator());
-        newNetworkRequest.redirects = previousRedirects.concat(originalNetworkRequest);
-        return newNetworkRequest;
-    },
-
-    /**
-     * @param {!WebInspector.NetworkRequest} networkRequest
-     */
-    _startNetworkRequest: function(networkRequest)
-    {
-        this._inflightRequestsById[networkRequest.requestId] = networkRequest;
-        this._inflightRequestsByURL[networkRequest.url] = networkRequest;
-        this._dispatchEventToListeners(WebInspector.NetworkManager.Events.RequestStarted, networkRequest);
-    },
-
-    /**
-     * @param {!WebInspector.NetworkRequest} networkRequest
-     */
-    _updateNetworkRequest: function(networkRequest)
-    {
-        this._dispatchEventToListeners(WebInspector.NetworkManager.Events.RequestUpdated, networkRequest);
-    },
-
-    /**
-     * @param {!WebInspector.NetworkRequest} networkRequest
-     * @param {!NetworkAgent.Timestamp} finishTime
-     * @param {number} encodedDataLength
-     */
-    _finishNetworkRequest: function(networkRequest, finishTime, encodedDataLength)
-    {
-        networkRequest.endTime = finishTime;
-        networkRequest.finished = true;
-        if (encodedDataLength >= 0)
-            networkRequest.setTransferSize(encodedDataLength);
-        this._dispatchEventToListeners(WebInspector.NetworkManager.Events.RequestFinished, networkRequest);
-        delete this._inflightRequestsById[networkRequest.requestId];
-        delete this._inflightRequestsByURL[networkRequest.url];
-    },
-
-    /**
-     * @param {string} eventType
-     * @param {!WebInspector.NetworkRequest} networkRequest
-     */
-    _dispatchEventToListeners: function(eventType, networkRequest)
-    {
-        this._manager.dispatchEventToListeners(eventType, networkRequest);
-    },
-
-    /**
-     * @param {!NetworkAgent.RequestId} requestId
-     * @param {string} frameId
-     * @param {!NetworkAgent.LoaderId} loaderId
-     * @param {string} url
-     * @param {string} documentURL
-     * @param {?NetworkAgent.Initiator} initiator
-     */
-    _createNetworkRequest: function(requestId, frameId, loaderId, url, documentURL, initiator)
-    {
-        return new WebInspector.NetworkRequest(this._manager._target, requestId, url, documentURL, frameId, loaderId, initiator);
-    }
-};
-
-
 /**
- * @constructor
- * @extends {WebInspector.Object}
  * @implements {WebInspector.TargetManager.Observer}
+ * @unrestricted
  */
-WebInspector.MultitargetNetworkManager = function()
-{
-    WebInspector.Object.call(this);
+WebInspector.MultitargetNetworkManager = class extends WebInspector.Object {
+  constructor() {
+    super();
 
     /** @type {!Set<string>} */
     this._blockedURLs = new Set();
-    this._blockedSetting = WebInspector.moduleSetting("blockedURLs");
+    this._blockedSetting = WebInspector.moduleSetting('blockedURLs');
     this._blockedSetting.addChangeListener(this._updateBlockedURLs, this);
     this._blockedSetting.set([]);
     this._updateBlockedURLs();
 
-    this._userAgentOverride = "";
+    this._userAgentOverride = '';
     /** @type {!Set<!Protocol.NetworkAgent>} */
     this._agents = new Set();
     /** @type {!WebInspector.NetworkManager.Conditions} */
     this._networkConditions = WebInspector.NetworkManager.NoThrottlingConditions;
 
     WebInspector.targetManager.observeTargets(this, WebInspector.Target.Capability.Network);
+  }
+
+  /**
+   * @param {string} uaString
+   * @return {string}
+   */
+  static patchUserAgentWithChromeVersion(uaString) {
+    // Patches Chrome/CriOS version from user agent ("1.2.3.4" when user agent is: "Chrome/1.2.3.4").
+    var chromeRegex = new RegExp('(?:^|\\W)Chrome/(\\S+)');
+    var chromeMatch = navigator.userAgent.match(chromeRegex);
+    if (chromeMatch && chromeMatch.length > 1)
+      return String.sprintf(uaString, chromeMatch[1]);
+    return uaString;
+  }
+
+  /**
+   * @override
+   * @param {!WebInspector.Target} target
+   */
+  targetAdded(target) {
+    var networkAgent = target.networkAgent();
+    if (this._extraHeaders)
+      networkAgent.setExtraHTTPHeaders(this._extraHeaders);
+    if (this._currentUserAgent())
+      networkAgent.setUserAgentOverride(this._currentUserAgent());
+    for (var url of this._blockedURLs)
+      networkAgent.addBlockedURL(url);
+    this._agents.add(networkAgent);
+    if (this.isThrottling())
+      this._updateNetworkConditions(networkAgent);
+  }
+
+  /**
+   * @override
+   * @param {!WebInspector.Target} target
+   */
+  targetRemoved(target) {
+    this._agents.delete(target.networkAgent());
+  }
+
+  /**
+   * @return {boolean}
+   */
+  isThrottling() {
+    return this._networkConditions.download >= 0 || this._networkConditions.upload >= 0 ||
+        this._networkConditions.latency > 0;
+  }
+
+  /**
+   * @return {boolean}
+   */
+  isOffline() {
+    return !this._networkConditions.download && !this._networkConditions.upload;
+  }
+
+  /**
+   * @param {!WebInspector.NetworkManager.Conditions} conditions
+   */
+  setNetworkConditions(conditions) {
+    this._networkConditions = conditions;
+    for (var agent of this._agents)
+      this._updateNetworkConditions(agent);
+    this.dispatchEventToListeners(WebInspector.MultitargetNetworkManager.Events.ConditionsChanged);
+  }
+
+  /**
+   * @return {!WebInspector.NetworkManager.Conditions}
+   */
+  networkConditions() {
+    return this._networkConditions;
+  }
+
+  /**
+   * @param {!Protocol.NetworkAgent} networkAgent
+   */
+  _updateNetworkConditions(networkAgent) {
+    var conditions = this._networkConditions;
+    if (!this.isThrottling()) {
+      networkAgent.emulateNetworkConditions(false, 0, 0, 0);
+    } else {
+      networkAgent.emulateNetworkConditions(
+          this.isOffline(), conditions.latency, conditions.download < 0 ? 0 : conditions.download,
+          conditions.upload < 0 ? 0 : conditions.upload, WebInspector.NetworkManager._connectionType(conditions));
+    }
+  }
+
+  /**
+   * @param {!NetworkAgent.Headers} headers
+   */
+  setExtraHTTPHeaders(headers) {
+    this._extraHeaders = headers;
+    for (var agent of this._agents)
+      agent.setExtraHTTPHeaders(this._extraHeaders);
+  }
+
+  /**
+   * @return {string}
+   */
+  _currentUserAgent() {
+    return this._customUserAgent ? this._customUserAgent : this._userAgentOverride;
+  }
+
+  _updateUserAgentOverride() {
+    var userAgent = this._currentUserAgent();
+    WebInspector.ResourceLoader.targetUserAgent = userAgent;
+    for (var agent of this._agents)
+      agent.setUserAgentOverride(userAgent);
+  }
+
+  /**
+   * @param {string} userAgent
+   */
+  setUserAgentOverride(userAgent) {
+    if (this._userAgentOverride === userAgent)
+      return;
+    this._userAgentOverride = userAgent;
+    if (!this._customUserAgent)
+      this._updateUserAgentOverride();
+    this.dispatchEventToListeners(WebInspector.MultitargetNetworkManager.Events.UserAgentChanged);
+  }
+
+  /**
+   * @return {string}
+   */
+  userAgentOverride() {
+    return this._userAgentOverride;
+  }
+
+  /**
+   * @param {string} userAgent
+   */
+  setCustomUserAgentOverride(userAgent) {
+    this._customUserAgent = userAgent;
+    this._updateUserAgentOverride();
+  }
+
+  _updateBlockedURLs() {
+    var blocked = this._blockedSetting.get();
+    for (var url of blocked) {
+      if (!this._blockedURLs.has(url))
+        this._addBlockedURL(url);
+    }
+    for (var url of this._blockedURLs) {
+      if (blocked.indexOf(url) === -1)
+        this._removeBlockedURL(url);
+    }
+  }
+
+  /**
+   * @param {string} url
+   */
+  _addBlockedURL(url) {
+    this._blockedURLs.add(url);
+    for (var agent of this._agents)
+      agent.addBlockedURL(url);
+  }
+
+  /**
+   * @param {string} url
+   */
+  _removeBlockedURL(url) {
+    this._blockedURLs.delete(url);
+    for (var agent of this._agents)
+      agent.removeBlockedURL(url);
+  }
+
+  clearBrowserCache() {
+    for (var agent of this._agents)
+      agent.clearBrowserCache();
+  }
+
+  clearBrowserCookies() {
+    for (var agent of this._agents)
+      agent.clearBrowserCookies();
+  }
+
+  /**
+   * @param {string} origin
+   * @param {function(!Array<string>)} callback
+   */
+  getCertificate(origin, callback) {
+    var target = WebInspector.targetManager.mainTarget();
+    target.networkAgent().getCertificate(origin, mycallback);
+
+    /**
+     * @param {?Protocol.Error} error
+     * @param {!Array<string>} certificate
+     */
+    function mycallback(error, certificate) {
+      callback(error ? [] : certificate);
+    }
+  }
+
+  /**
+   * @param {string} url
+   * @param {function(number, !Object.<string, string>, string)} callback
+   */
+  loadResource(url, callback) {
+    var headers = {};
+
+    var currentUserAgent = this._currentUserAgent();
+    if (currentUserAgent)
+      headers['User-Agent'] = currentUserAgent;
+
+    if (WebInspector.moduleSetting('cacheDisabled').get())
+      headers['Cache-Control'] = 'no-cache';
+
+    WebInspector.ResourceLoader.load(url, headers, callback);
+  }
 };
 
 /** @enum {symbol} */
 WebInspector.MultitargetNetworkManager.Events = {
-    ConditionsChanged: Symbol("ConditionsChanged"),
-    UserAgentChanged: Symbol("UserAgentChanged")
+  ConditionsChanged: Symbol('ConditionsChanged'),
+  UserAgentChanged: Symbol('UserAgentChanged')
 };
 
-/**
- * @param {string} uaString
- * @return {string}
- */
-WebInspector.MultitargetNetworkManager.patchUserAgentWithChromeVersion = function(uaString)
-{
-    // Patches Chrome/CriOS version from user agent ("1.2.3.4" when user agent is: "Chrome/1.2.3.4").
-    var chromeRegex = new RegExp("(?:^|\\W)Chrome/(\\S+)");
-    var chromeMatch = navigator.userAgent.match(chromeRegex);
-    if (chromeMatch && chromeMatch.length > 1)
-        return String.sprintf(uaString, chromeMatch[1]);
-    return uaString;
-};
-
-WebInspector.MultitargetNetworkManager.prototype = {
-    /**
-     * @override
-     * @param {!WebInspector.Target} target
-     */
-    targetAdded: function(target)
-    {
-        var networkAgent = target.networkAgent();
-        if (this._extraHeaders)
-            networkAgent.setExtraHTTPHeaders(this._extraHeaders);
-        if (this._currentUserAgent())
-            networkAgent.setUserAgentOverride(this._currentUserAgent());
-        for (var url of this._blockedURLs)
-            networkAgent.addBlockedURL(url);
-        this._agents.add(networkAgent);
-        if (this.isThrottling())
-            this._updateNetworkConditions(networkAgent);
-    },
-
-    /**
-     * @override
-     * @param {!WebInspector.Target} target
-     */
-    targetRemoved: function(target)
-    {
-        this._agents.delete(target.networkAgent());
-    },
-
-    /**
-     * @return {boolean}
-     */
-    isThrottling: function()
-    {
-        return this._networkConditions.download >= 0 || this._networkConditions.upload >= 0 || this._networkConditions.latency > 0;
-    },
-
-    /**
-     * @return {boolean}
-     */
-    isOffline: function()
-    {
-        return !this._networkConditions.download && !this._networkConditions.upload;
-    },
-
-    /**
-     * @param {!WebInspector.NetworkManager.Conditions} conditions
-     */
-    setNetworkConditions: function(conditions)
-    {
-        this._networkConditions = conditions;
-        for (var agent of this._agents)
-            this._updateNetworkConditions(agent);
-        this.dispatchEventToListeners(WebInspector.MultitargetNetworkManager.Events.ConditionsChanged);
-    },
-
-    /**
-     * @return {!WebInspector.NetworkManager.Conditions}
-     */
-    networkConditions: function()
-    {
-        return this._networkConditions;
-    },
-
-    /**
-     * @param {!Protocol.NetworkAgent} networkAgent
-     */
-    _updateNetworkConditions: function(networkAgent)
-    {
-        var conditions = this._networkConditions;
-        if (!this.isThrottling()) {
-            networkAgent.emulateNetworkConditions(false, 0, 0, 0);
-        } else {
-            networkAgent.emulateNetworkConditions(this.isOffline(), conditions.latency, conditions.download < 0 ? 0 : conditions.download, conditions.upload < 0 ? 0 : conditions.upload, WebInspector.NetworkManager._connectionType(conditions));
-        }
-    },
-
-    /**
-     * @param {!NetworkAgent.Headers} headers
-     */
-    setExtraHTTPHeaders: function(headers)
-    {
-        this._extraHeaders = headers;
-        for (var agent of this._agents)
-            agent.setExtraHTTPHeaders(this._extraHeaders);
-    },
-
-    /**
-     * @return {string}
-     */
-    _currentUserAgent: function()
-    {
-        return this._customUserAgent ? this._customUserAgent : this._userAgentOverride;
-    },
-
-    _updateUserAgentOverride: function()
-    {
-        var userAgent = this._currentUserAgent();
-        WebInspector.ResourceLoader.targetUserAgent = userAgent;
-        for (var agent of this._agents)
-            agent.setUserAgentOverride(userAgent);
-    },
-
-    /**
-     * @param {string} userAgent
-     */
-    setUserAgentOverride: function(userAgent)
-    {
-        if (this._userAgentOverride === userAgent)
-            return;
-        this._userAgentOverride = userAgent;
-        if (!this._customUserAgent)
-            this._updateUserAgentOverride();
-        this.dispatchEventToListeners(WebInspector.MultitargetNetworkManager.Events.UserAgentChanged);
-    },
-
-    /**
-     * @return {string}
-     */
-    userAgentOverride: function()
-    {
-        return this._userAgentOverride;
-    },
-
-    /**
-     * @param {string} userAgent
-     */
-    setCustomUserAgentOverride: function(userAgent)
-    {
-        this._customUserAgent = userAgent;
-        this._updateUserAgentOverride();
-    },
-
-    _updateBlockedURLs: function()
-    {
-        var blocked = this._blockedSetting.get();
-        for (var url of blocked) {
-            if (!this._blockedURLs.has(url))
-                this._addBlockedURL(url);
-        }
-        for (var url of this._blockedURLs) {
-            if (blocked.indexOf(url) === -1)
-                this._removeBlockedURL(url);
-        }
-    },
-
-    /**
-     * @param {string} url
-     */
-    _addBlockedURL: function(url)
-    {
-        this._blockedURLs.add(url);
-        for (var agent of this._agents)
-            agent.addBlockedURL(url);
-    },
-
-    /**
-     * @param {string} url
-     */
-    _removeBlockedURL: function(url)
-    {
-        this._blockedURLs.delete(url);
-        for (var agent of this._agents)
-            agent.removeBlockedURL(url);
-    },
-
-    clearBrowserCache: function()
-    {
-        for (var agent of this._agents)
-            agent.clearBrowserCache();
-    },
-
-    clearBrowserCookies: function()
-    {
-        for (var agent of this._agents)
-            agent.clearBrowserCookies();
-    },
-
-    /**
-     * @param {string} origin
-     * @param {function(!Array<string>)} callback
-     */
-    getCertificate: function(origin, callback)
-    {
-        var target = WebInspector.targetManager.mainTarget();
-        target.networkAgent().getCertificate(origin, mycallback);
-
-        /**
-         * @param {?Protocol.Error} error
-         * @param {!Array<string>} certificate
-         */
-        function mycallback(error, certificate)
-        {
-            callback(error ? [] : certificate);
-        }
-    },
-
-    /**
-     * @param {string} url
-     * @param {function(number, !Object.<string, string>, string)} callback
-     */
-    loadResource: function(url, callback)
-    {
-        var headers = {};
-
-        var currentUserAgent = this._currentUserAgent();
-        if (currentUserAgent)
-            headers["User-Agent"] = currentUserAgent;
-
-        if (WebInspector.moduleSetting("cacheDisabled").get())
-            headers["Cache-Control"] = "no-cache";
-
-        WebInspector.ResourceLoader.load(url, headers, callback);
-    },
-
-    __proto__: WebInspector.Object.prototype
-};
 
 /**
  * @type {!WebInspector.MultitargetNetworkManager}
  */
 WebInspector.multitargetNetworkManager;