Add a ExtensionBrowserTest base class

chrome/browser/extensions/extension_host.cc

 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/extension_host.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser.h"
@@ skipping 59 matching lines @@
   }
 
  private:
   ExtensionHost* extension_host_;
 
   DISALLOW_COPY_AND_ASSIGN(CrashedExtensionInfobarDelegate);
 };
 
 }  // namespace
 
+
+// static
+bool ExtensionHost::enable_dom_automation_ = false;
+
 ExtensionHost::ExtensionHost(Extension* extension, SiteInstance* site_instance,
                              const GURL& url)
     : extension_(extension),
       profile_(site_instance->browsing_instance()->profile()),
       did_stop_loading_(false),
       url_(url) {
   render_view_host_ = new RenderViewHost(
       site_instance, this, MSG_ROUTING_NONE, NULL);
   render_view_host_->AllowBindings(BindingsPolicy::EXTENSION);
+  if (enable_dom_automation_)
+    render_view_host_->AllowBindings(BindingsPolicy::DOM_AUTOMATION);
 }
 
 ExtensionHost::~ExtensionHost() {
   NotificationService::current()->Notify(
       NotificationType::EXTENSION_HOST_DESTROYED,
       Source<Profile>(profile_),
       Details<ExtensionHost>(this));
   render_view_host_->Shutdown();  // deletes render_view_host
 }
 
@@ skipping 204 matching lines @@
                                         int request_id,
                                         bool has_callback) {
   extension_function_dispatcher_->HandleRequest(message, content, request_id,
                                                 has_callback);
 }
 
 void ExtensionHost::RenderViewCreated(RenderViewHost* render_view_host) {
   extension_function_dispatcher_.reset(
       new ExtensionFunctionDispatcher(render_view_host_, this, url_));
 }