Remove createXMLHttpRequest and other 'factory' constructors.

client/dom/generated/monkey_dom_externs.js

Index: client/dom/generated/monkey_dom_externs.js
diff --git a/client/dom/generated/monkey_dom_externs.js b/client/dom/generated/monkey_dom_externs.js
index 1df8f5089a77d697f2c2234fea018c7708457626..17e4df7ebfbd6f4c6723829b72aea6c3019d6a73 100644
--- a/client/dom/generated/monkey_dom_externs.js
+++ b/client/dom/generated/monkey_dom_externs.js
@@ -638,7 +638,6 @@ dart_externs.prototype.createElementNS$member;
 dart_externs.prototype.createEntityReference$member;
 dart_externs.prototype.createEvent$member;
 dart_externs.prototype.createExpression$member;
-dart_externs.prototype.createFileReader$member;
 dart_externs.prototype.createFramebuffer$member;
 dart_externs.prototype.createHTMLDocument$member;
 dart_externs.prototype.createHTMLNotification$member;
@@ -664,10 +663,7 @@ dart_externs.prototype.createTextNode$member;
 dart_externs.prototype.createTexture$member;
 dart_externs.prototype.createTreeWalker$member;
 dart_externs.prototype.createVertexArrayOES$member;
-dart_externs.prototype.createWebKitCSSMatrix$member;
-dart_externs.prototype.createWebKitPoint$member;
 dart_externs.prototype.createWriter$member;
-dart_externs.prototype.createXMLHttpRequest$member;
 dart_externs.prototype.crossOrigin$getter;
 dart_externs.prototype.crossOrigin$setter;
 dart_externs.prototype.crypto$getter;