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(PrerenderManager* prerender_manager, Profile* profile,
-                    const GURL& url, const std::vector<GURL>& alias_urls);
+  // PrerenderContents::Create uses the currently registered Factory to create
+  // the PrerenderContents. Factory is intended for testing.
+  class Factory {
+   public:
+    Factory() {}
+    virtual ~Factory() {}
+
+    virtual PrerenderContents* CreatePrerenderContents(
+        PrerenderManager* prerender_manager, Profile* profile, const GURL& url,
+        const std::vector<GURL>& alias_urls) = 0;
+
+   private:
+    DISALLOW_COPY_AND_ASSIGN(Factory);
+  };
+
   virtual ~PrerenderContents();
+
+  static Factory* CreateFactory();
+
   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; }
   ViewHostMsg_FrameNavigate_Params* navigate_params() {
     return navigate_params_.get();
   }
@@ skipping 78 matching lines @@
   virtual void SetSuppressMessageBoxes(bool suppress_message_boxes) {}
   virtual gfx::NativeWindow GetMessageBoxRootWindow();
   virtual TabContents* AsTabContents();
   virtual ExtensionHost* AsExtensionHost();
 
   virtual void UpdateInspectorSetting(const std::string& key,
                                       const std::string& value);
   virtual void ClearInspectorSettings();
 
  protected:
+  PrerenderContents(PrerenderManager* prerender_manager, Profile* profile,
+                    const GURL& url, const std::vector<GURL>& alias_urls);
+
   // from RenderViewHostDelegate.
   virtual bool OnMessageReceived(const IPC::Message& message);
 
  private:
+  // Needs to be able to call the constructor.
+  friend class PrerenderContentsFactoryImpl;
+
   // Message handlers.
   void OnDidStartProvisionalLoadForFrame(int64 frame_id,
                                          bool main_frame,
                                          const GURL& url);
   void OnDidRedirectProvisionalLoad(int32 page_id,
                                     const GURL& source_url,
                                     const GURL& target_url);
 
   void AddAliasURL(const GURL& url);
 
@@ skipping 27 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_