Browser test for prerendering in general

chrome/browser/prerender/prerender_contents.h

 // Copyright (c) 2010 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_PRERENDER_PRERENDER_CONTENTS_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 18 matching lines @@
 // This class is a peer of TabContents. It can host a renderer, but does not
 // have any visible display. Its navigation is not managed by a
 // NavigationController because is has no facility for navigating (other than
 // programatically view window.location.href) or RenderViewHostManager because
 // it is never allowed to navigate across a SiteInstance boundary.
 class PrerenderContents : public RenderViewHostDelegate,
                           public RenderViewHostDelegate::View,
                           public NotificationObserver,
                           public JavaScriptAppModalDialogDelegate {
  public:
+  // PrerenderContents::Create uses the currently registered Factory to create
+  // the PrerenderContents. Factory is intended for testing.
+  class Factory {
+   public:
+    virtual PrerenderContents* CreatePrerenderContents(
+        PrerenderManager* prerender_manager, Profile* profile, const GURL& url,
+        const std::vector<GURL>& alias_urls) = 0;
+    virtual ~Factory() {}
+  };
+
   PrerenderContents(PrerenderManager* prerender_manager, Profile* profile,
                     const GURL& url, const std::vector<GURL>& alias_urls);
   virtual ~PrerenderContents();
   virtual void StartPrerendering();
 
   RenderViewHost* render_view_host() { return render_view_host_; }
   // Allows replacing of the RenderViewHost owned by this class, including
   // replacing with a NULL value.  When a caller uses this, the caller will
   // own (and is responsible for freeing) the old RVH.
   void set_render_view_host(RenderViewHost* rvh) { render_view_host_ = rvh; }
@@ skipping 133 matching lines @@
 
   // A vector of URLs that this prerendered page matches against.
   // This array can contain more than element as a result of redirects,
   // such as HTTP redirects or javascript redirects.
   std::vector<GURL> alias_urls_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderContents);
 };
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_