[content shell] add support for a testRunner.setXSSAuditorEnabled

content/shell/webkit_test_runner.js

Index: content/shell/webkit_test_runner.js
diff --git a/content/shell/webkit_test_runner.js b/content/shell/webkit_test_runner.js
index 54c6d58e1d09065c4f07a1b090dd0bd1aaa14501..1cfe81d2cae182f3cea99d033758274ddf598cad 100644
--- a/content/shell/webkit_test_runner.js
+++ b/content/shell/webkit_test_runner.js
@@ -13,6 +13,7 @@ var testRunner = testRunner || {};
   native function SetPrinting();
   native function SetShouldStayOnPageAfterHandlingBeforeUnload();
   native function SetWaitUntilDone();
+  native function SetXSSAuditorEnabled();
 
   native function NotImplemented();
 
@@ -45,6 +46,9 @@ var testRunner = testRunner || {};
         this,
         "setShouldStayOnPageAfterHandlingBeforeUnload",
         {value: SetShouldStayOnPageAfterHandlingBeforeUnload});
+    Object.defineProperty(this,
+                          "setXSSAuditorEnabled",
+                          {value: SetXSSAuditorEnabled});
     Object.defineProperty(this, "waitUntilDone", {value: SetWaitUntilDone});
 
     var stubs = [