Add webview support for disabled blink features

lib/browser/guest-view-manager.js

@@ -182,7 +182,8 @@ var attachGuest = function (embedder, elementInstanceId, guestInstanceId, params
     plugins: params.plugins,
     zoomFactor: params.zoomFactor,
     webSecurity: !params.disablewebsecurity,
-    blinkFeatures: params.blinkfeatures
+    blinkFeatures: params.blinkfeatures,
+    disableBlinkFeatures: params.disableBlinkFeatures,
   }
 
   if (params.preload) {

lib/renderer/web-view/web-view-attributes.js

@@ -264,6 +264,13 @@ class BlinkFeaturesAttribute extends WebViewAttribute {
   }
 }
 
+// Attribute that specifies the blink features to be disabled.
+class DisableBlinkFeaturesAttribute extends WebViewAttribute {
+  constructor (webViewImpl) {
+    super(webViewConstants.ATTRIBUTE_DISBLEBLINKFEATURES, webViewImpl)
+  }
+}
+
 // Sets up all of the webview attributes.
 WebViewImpl.prototype.setupWebViewAttributes = function () {
   this.attributes = {}
@@ -278,6 +285,7 @@ WebViewImpl.prototype.setupWebViewAttributes = function () {
   this.attributes[webViewConstants.ATTRIBUTE_ALLOWPOPUPS] = new BooleanAttribute(webViewConstants.ATTRIBUTE_ALLOWPOPUPS, this)
   this.attributes[webViewConstants.ATTRIBUTE_PRELOAD] = new PreloadAttribute(this)
   this.attributes[webViewConstants.ATTRIBUTE_BLINKFEATURES] = new BlinkFeaturesAttribute(this)
+  this.attributes[webViewConstants.ATTRIBUTE_DISBLEBLINKFEATURES] = new DisableBlinkFeaturesAttribute(this)
 
   const autosizeAttributes = [webViewConstants.ATTRIBUTE_MAXHEIGHT, webViewConstants.ATTRIBUTE_MAXWIDTH, webViewConstants.ATTRIBUTE_MINHEIGHT, webViewConstants.ATTRIBUTE_MINWIDTH]
   autosizeAttributes.forEach((attribute) => {

lib/renderer/web-view/web-view-constants.js

@@ -16,6 +16,7 @@ module.exports = {
   ATTRIBUTE_PRELOAD: 'preload',
   ATTRIBUTE_USERAGENT: 'useragent',
   ATTRIBUTE_BLINKFEATURES: 'blinkfeatures',
+  ATTRIBUTE_DISBLEBLINKFEATURES: 'disableblinkfeatures',
 
   // Internal attribute.
   ATTRIBUTE_INTERNALINSTANCEID: 'internalinstanceid',