Correct const accessors in base/values.(h|cc), Part II (ListValue)

chrome/browser/net/predictor.cc

 // 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.
 
 #include "chrome/browser/net/predictor.h"
 
 #include <algorithm>
 #include <cmath>
 #include <set>
 #include <sstream>
@@ skipping 595 matching lines @@
   }
 }
 
 void Predictor::DeserializeReferrers(const base::ListValue& referral_list) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   int format_version = -1;
   if (referral_list.GetSize() > 0 &&
       referral_list.GetInteger(0, &format_version) &&
       format_version == kPredictorReferrerVersion) {
     for (size_t i = 1; i < referral_list.GetSize(); ++i) {
-      base::ListValue* motivator;
+      const base::ListValue* motivator;
       if (!referral_list.GetList(i, &motivator)) {
         NOTREACHED();
         return;
       }
       std::string motivating_url_spec;
       if (!motivator->GetString(0, &motivating_url_spec)) {
         NOTREACHED();
         return;
       }
 
-      Value* subresource_list;
+      const Value* subresource_list;
       if (!motivator->Get(1, &subresource_list)) {
         NOTREACHED();
         return;
       }
 
       referrers_[GURL(motivating_url_spec)].Deserialize(*subresource_list);
     }
   }
 }
 
@@ skipping 538 matching lines @@
     IOThread* io_thread,
     net::URLRequestContextGetter* getter) {
   // Empty function for unittests.
 }
 
 void SimplePredictor::ShutdownOnUIThread(PrefService* user_prefs) {
   SetShutdown(true);
 }
 
 }  // namespace chrome_browser_net