Add prerender to ChromeOS.

chrome/browser/prerender/prerender_manager.h

 // Copyright (c) 2011 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_MANAGER_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_
 #pragma once
 
 #include <list>
 #include <map>
@@ skipping 23 matching lines @@
   std::size_t operator()(TabContents* value) const {
     return reinterpret_cast<std::size_t>(value);
   }
 };
 }
 
 #endif
 
 namespace prerender {
 
+class PrerenderCondition;
 class PrerenderHistory;
 class PrerenderTracker;
 
 // PrerenderManager is responsible for initiating and keeping prerendered
 // views of webpages. All methods must be called on the UI thread unless
 // indicated otherwise.
 class PrerenderManager : public base::SupportsWeakPtr<PrerenderManager>,
                          public base::NonThreadSafe {
  public:
   // PrerenderManagerMode is used in a UMA_HISTOGRAM, so please do not
@@ skipping 134 matching lines @@
   void ClearData(int clear_flags);
 
   // Record a final status of a prerendered page in a histogram.
   void RecordFinalStatus(Origin origin,
                          uint8 experiment_id,
                          FinalStatus final_status) const;
 
   const Config& config() const { return config_; }
   Config& mutable_config() { return config_; }
 
+  // Adds a condition. This is owned by the PrerenderManager.
+  void AddCondition(const PrerenderCondition* condition);
+
  protected:
   // Test that needs needs access to internal functions.
   FRIEND_TEST_ALL_PREFIXES(PrerenderManagerTest, ExpireTest);
   FRIEND_TEST_ALL_PREFIXES(PrerenderManagerTest, ExtractURLInQueryStringTest);
 
   struct PendingContentsData;
 
   void SetPrerenderContentsFactory(
       PrerenderContents::Factory* prerender_contents_factory);
 
@@ skipping 199 matching lines @@
 
   std::list<TabContentsWrapper*> old_tab_contents_list_;
 
   // Cancels pending tasks on deletion.
   ScopedRunnableMethodFactory<PrerenderManager> runnable_method_factory_;
 
   ScopedVector<OnCloseTabContentsDeleter> on_close_tab_contents_deleters_;
 
   scoped_ptr<PrerenderHistory> prerender_history_;
 
+  std::list<const PrerenderCondition*> prerender_conditions_;
+
   DISALLOW_COPY_AND_ASSIGN(PrerenderManager);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_