predictors: Store protobufs in the database.

chrome/browser/predictors/resource_prefetch_predictor.cc

 // Copyright 2014 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/predictors/resource_prefetch_predictor.h"
 
-#include <algorithm>
 #include <map>
 #include <set>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
@@ skipping 1036 matching lines @@
   // Trim and sort the resources after the update.
   ResourceRows& resources = cache_entry->second.resources;
   for (ResourceRows::iterator it = resources.begin();
        it != resources.end();) {
     it->UpdateScore();
     if (it->consecutive_misses >= config_.max_consecutive_misses)
       it = resources.erase(it);
     else
       ++it;
   }
-  std::sort(resources.begin(), resources.end(),
-            ResourcePrefetchPredictorTables::ResourceRowSorter());
+  ResourcePrefetchPredictorTables::SortResourceRows(&resources);
   if (resources.size() > config_.max_resources_per_entry)
     resources.resize(config_.max_resources_per_entry);
 
   // If the row has no resources, remove it from the cache and delete the
   // entry in the database. Else update the database.
   if (resources.empty()) {
     data_map->erase(key);
     BrowserThread::PostTask(
         BrowserThread::DB, FROM_HERE,
         base::Bind(&ResourcePrefetchPredictorTables::DeleteSingleDataPoint,
@@ skipping 350 matching lines @@
     // HistoryService is already loaded. Continue with Initialization.
     OnHistoryAndCacheLoaded();
     return;
   }
   DCHECK(!history_service_observer_.IsObserving(history_service));
   history_service_observer_.Add(history_service);
   return;
 }
 
 }  // namespace predictors