Prerender: omnibox and instant field trial parameters.

chrome/browser/prerender/prerender_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 223 matching lines @@
   // Records the perceived first contentful paint time for a prerendered page,
   // analogous to |RecordPerceivedPageLoadTime|. The FCP ticks is in absolute
   // time; this has the disadvantage that the histogram will mix browser and
   // renderer ticks, but there seems to be no way around that.
   void RecordPrerenderFirstContentfulPaint(const GURL& url,
                                            content::WebContents* web_contents,
                                            bool is_no_store,
                                            bool was_hidden,
                                            base::TimeTicks ticks);
 
-  static PrerenderManagerMode GetMode();
+  static PrerenderManagerMode GetMode(Origin origin);
   static void SetMode(PrerenderManagerMode mode);
-  static bool IsPrerenderingPossible();
+  static void SetOmniboxMode(PrerenderManagerMode mode);
+  static void SetInstantMode(PrerenderManagerMode mode);
+  static bool IsAnyPrerenderingPossible();
   static bool IsNoStatePrefetch(Origin origin);
   static bool IsSimpleLoadExperiment(Origin origin);
 
   // Query the list of current prerender pages to see if the given web contents
   // is prerendering a page. The optional parameter |origin| is an output
   // parameter which, if a prerender is found, is set to the Origin of the
   // prerender |web_contents|.
   bool IsWebContentsPrerendering(const content::WebContents* web_contents,
                                  Origin* origin) const;
 
@@ skipping 343 matching lines @@
   // List of recent navigations in this profile, sorted by ascending
   // |navigate_time_|.
   std::vector<NavigationRecord> navigations_;
 
   // List of recent prefetches, sorted by ascending navigate time.
   std::vector<NavigationRecord> prefetches_;
 
   std::unique_ptr<PrerenderContents::Factory> prerender_contents_factory_;
 
   static PrerenderManagerMode mode_;
+  static PrerenderManagerMode instant_mode_;
+  static PrerenderManagerMode omnibox_mode_;
 
   // A count of how many prerenders we do per session. Initialized to 0 then
   // incremented and emitted to a histogram on each successful prerender.
   static int prerenders_per_session_count_;
 
   // RepeatingTimer to perform periodic cleanups of pending prerendered
   // pages.
   base::RepeatingTimer repeating_timer_;
 
   // Track time of last prerender to limit prerender spam.
@@ skipping 29 matching lines @@
   std::vector<std::unique_ptr<PrerenderManagerObserver>> observers_;
 
   base::WeakPtrFactory<PrerenderManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderManager);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_