[content shell] add support for a testRunner.setXSSAuditorEnabled

content/shell/shell_render_process_observer.cc

Index: content/shell/shell_render_process_observer.cc
diff --git a/content/shell/shell_render_process_observer.cc b/content/shell/shell_render_process_observer.cc
index ec26b6d978a9299a6dc4a043cbd0bcc12a2362a1..356ddc5965042b844b064a4278469b4798fbd7bd 100644
--- a/content/shell/shell_render_process_observer.cc
+++ b/content/shell/shell_render_process_observer.cc
@@ -9,6 +9,7 @@
 #include "content/public/renderer/render_thread.h"
 #include "content/shell/shell_messages.h"
 #include "content/shell/shell_switches.h"
+#include "content/shell/webkit_test_runner.h"
 #include "content/shell/webkit_test_runner_bindings.h"
 #include "webkit/glue/webkit_glue.h"
 #include "webkit/support/gc_extension.h"
@@ -89,6 +90,7 @@ bool ShellRenderProcessObserver::OnControlMessageReceived(
 void ShellRenderProcessObserver::OnResetAll() {
   test_interfaces_->resetAll();
   if (main_render_view_) {
+    WebKitTestRunner::Get(main_render_view_)->Reset();
     WebTestingSupport::resetInternalsObject(
         main_render_view_->GetWebView()->mainFrame());
   }