Add options to disable each of the two aspects of the prerender service

chrome/browser/prerender/prerender_field_trial.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_FIELD_TRIAL_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_
 
 #include <string>
 
 class CommandLine;
@@ skipping 24 matching lines @@
 
 // Returns true if the local predictor should prerender, but only as control
 // group. If the local predictor never launches prerenders, then this setting
 // is irrelevant.
 bool IsLocalPredictorPrerenderAlwaysControlEnabled();
 
 // Returns true if we should query the prerender service for the profile
 // provided.
 bool ShouldQueryPrerenderService(Profile* profile);
 
+// Indicates whether we should query the prerender service for the current URL
+// and candidate URLs, respectively.
+bool ShouldQueryPrerenderServiceForCurrentURL();
+bool ShouldQueryPrerenderServiceForCandidateURLs();
+
 // Returns the URL prefix to be used for the prerender service. The only thing
 // that will be appended is the urlencoded query json.
 std::string GetPrerenderServiceURLPrefix();
 
 // Returns the prerender service behavior ID that should be passed to the
 // to the prerender service in requests.
 int GetPrerenderServiceBehaviorID();
 
 // Returns the fetch timeout to be used for the prerender service, in ms.
 int GetPrerenderServiceFetchTimeoutMs();
@@ skipping 16 matching lines @@
 bool SkipLocalPredictorWhitelist();
 bool SkipLocalPredictorServiceWhitelist();
 bool SkipLocalPredictorLoggedIn();
 bool SkipLocalPredictorDefaultNoPrerender();
 bool SkipLocalPredictorLocalCandidates();
 bool SkipLocalPredictorServiceCandidates();
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_