Test extension reloading behavior.

chrome/browser/extensions/extension_process_manager.cc

 // Copyright (c) 2012 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_process_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 173 matching lines @@
 
   (new BackgroundManifestHandler())->Register();
   (new extensions::IncognitoHandler())->Register();
 }
 
 ExtensionProcessManager::~ExtensionProcessManager() {
   CloseBackgroundHosts();
   DCHECK(background_hosts_.empty());
 }
 
+void ExtensionProcessManager::SetRenderProcessHostFactoryForTest(
+    content::RenderProcessHostFactory* rph_factory) {
+  DCHECK(background_hosts_.empty());
+  site_instance_->set_render_process_host_factory(rph_factory);
+}
+
+
 const ExtensionProcessManager::ViewSet
 ExtensionProcessManager::GetAllViews() const {
   ViewSet result;
   for (ExtensionRenderViews::const_iterator iter =
            all_extension_views_.begin();
        iter != all_extension_views_.end(); ++iter) {
     result.insert(iter->first);
   }
   return result;
 }
@@ skipping 705 matching lines @@
         if (service && service->is_ready())
           CreateBackgroundHostsForProfileStartup();
       }
       break;
     }
     default:
       ExtensionProcessManager::Observe(type, source, details);
       break;
   }
 }