Adding a fourth omnibox prerender experiment.

chrome/browser/prerender/prerender_manager.cc

 // 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.
 
 #include "chrome/browser/prerender/prerender_manager.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 331 matching lines @@
       break;
 
     case OMNIBOX_HEURISTIC_CONSERVATIVE:
       origin = ORIGIN_OMNIBOX_CONSERVATIVE;
       break;
 
     case OMNIBOX_HEURISTIC_EXACT:
       origin = ORIGIN_OMNIBOX_EXACT;
       break;
 
+    case OMNIBOX_HEURISTIC_EXACT_FULL:
+      origin = ORIGIN_OMNIBOX_EXACT_FULL;
+      break;
+
     default:
       NOTREACHED();
       break;
   };
 
   return AddPrerender(origin, std::make_pair(-1, -1), url, GURL(),
                       session_storage_namespace);
 }
 
 bool PrerenderManager::AddPrerender(
@@ skipping 695 matching lines @@
     switch (GetOmniboxHeuristicToUse()) {
       case OMNIBOX_HEURISTIC_ORIGINAL:
         dict_value->SetString("omnibox_heuristic", "(original)");
         break;
       case OMNIBOX_HEURISTIC_CONSERVATIVE:
         dict_value->SetString("omnibox_heuristic", "(conservative)");
         break;
       case OMNIBOX_HEURISTIC_EXACT:
         dict_value->SetString("omnibox_heuristic", "(exact)");
         break;
+      case OMNIBOX_HEURISTIC_EXACT_FULL:
+        dict_value->SetString("omnibox_heuristic", "(exact full)");
+        break;
       default:
         NOTREACHED();
         break;
     }
   }
   // If prerender is disabled via a flag this method is not even called.
   if (IsControlGroup())
     dict_value->SetString("disabled_reason", "(Disabled for testing)");
   if (IsNoUseGroup())
     dict_value->SetString("disabled_reason", "(Not using prerendered pages)");
@@ skipping 66 matching lines @@
   if (!render_process_host || !render_process_host->browser_context())
     return NULL;
   Profile* profile = Profile::FromBrowserContext(
       render_process_host->browser_context());
   if (!profile)
     return NULL;
   return PrerenderManagerFactory::GetInstance()->GetForProfile(profile);
 }
 
 }  // namespace prerender