Provide a way to specify in Finch trials to disable prerender local

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 Profile;
@@ skipping 14 matching lines @@
 bool IsOmniboxEnabled(Profile* profile);
 
 // Returns true if session storage namespace merging is not disabled.
 bool ShouldMergeSessionStorageNamespaces();
 
 // Returns true iff the Prerender Local Predictor is enabled.
 bool IsLocalPredictorEnabled();
 
 // Indicates whether to disable the local predictor due to unencrypted sync
 // settings and configuration.
-bool DisableLocalPredictorBasedOnSyncAndConfiguration(Profile* profile);
+bool ShouldDisableLocalPredictorBasedOnSyncAndConfiguration(Profile* profile);
+
+// Returns whether or not the local predictor is temporarily disabled, due
+// to network predictive action settings and current network.
+bool ShouldDisableLocalPredictorDueToPreferencesAndNetwork(Profile* profile);
 
 // Returns true iff the LoggedIn Predictor is enabled.
 bool IsLoggedInPredictorEnabled();
 
 // Returns true iff the side-effect free whitelist is enabled.
 bool IsSideEffectFreeWhitelistEnabled();
 
 // Returns true if the local predictor should actually launch prerenders.
 bool IsLocalPredictorPrerenderLaunchEnabled();
 
@@ skipping 53 matching lines @@
 bool SkipLocalPredictorDefaultNoPrerender();
 bool SkipLocalPredictorLocalCandidates();
 bool SkipLocalPredictorServiceCandidates();
 
 // Indicates whether no prerender cookie stores should be used for prerendering.
 bool IsPrerenderCookieStoreEnabled();
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_FIELD_TRIAL_H_