Make the RenderViewHostFactory a global. This prevents us from having to pass...

chrome/browser/renderer_host/render_view_host.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 635 matching lines @@
   bool is_waiting_for_unload_ack_;
 
   bool are_javascript_messages_suppressed_;
 
   // Handles processing IPC messages request extension functions be executed.
   ExtensionFunctionDispatcher extension_function_dispatcher_;
 
   DISALLOW_EVIL_CONSTRUCTORS(RenderViewHost);
 };
 
-// Factory for creating RenderViewHosts.  Useful for unit tests.
-class RenderViewHostFactory {
- public:
-  virtual ~RenderViewHostFactory() {}
-
-  virtual RenderViewHost* CreateRenderViewHost(
-      SiteInstance* instance,
-      RenderViewHostDelegate* delegate,
-      int routing_id,
-      base::WaitableEvent* modal_dialog_event) = 0;
-};
-
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_