Make XMLHttpRequest.response available.

client/dom/frog/dom_frog.dart

Index: client/dom/frog/dom_frog.dart
diff --git a/client/dom/frog/dom_frog.dart b/client/dom/frog/dom_frog.dart
index 7fb7397036aff1e194deba6ad5ef3bbe33eb943b..604265408f2fc1aa690826ceb7f42f6f3d61644a 100644
--- a/client/dom/frog/dom_frog.dart
+++ b/client/dom/frog/dom_frog.dart
@@ -5689,6 +5689,8 @@ class JavaScriptCallFrameJs extends DOMTypeJs implements JavaScriptCallFrame nat
 
   int get sourceID() native "return this.sourceID;";
 
+  Object get thisObject() native "return this.thisObject;";
+
   String get type() native "return this.type;";
 
   void evaluate(String script) native;
@@ -12845,6 +12847,8 @@ class XMLHttpRequestJs extends DOMTypeJs implements XMLHttpRequest native "*XMLH
 
   int get readyState() native "return this.readyState;";
 
+  Object get response() native "return this.response;";
+
   BlobJs get responseBlob() native "return this.responseBlob;";
 
   String get responseText() native "return this.responseText;";
@@ -19325,6 +19329,8 @@ interface JavaScriptCallFrame {
 
   int get sourceID();
 
+  Object get thisObject();
+
   String get type();
 
   void evaluate(String script);
@@ -25799,6 +25805,8 @@ interface XMLHttpRequest extends EventTarget default _XMLHttpRequestFactoryProvi
 
   int get readyState();
 
+  Object get response();
+
   Blob get responseBlob();
 
   String get responseText();