predictors: Introduce GlowplugPredictor.

chrome/browser/ui/webui/predictors/predictors_handler.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/ui/webui/predictors/predictors_handler.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "chrome/browser/predictors/autocomplete_action_predictor.h"
 #include "chrome/browser/predictors/autocomplete_action_predictor_factory.h"
-#include "chrome/browser/predictors/resource_prefetch_predictor.h"
-#include "chrome/browser/predictors/resource_prefetch_predictor_factory.h"
+#include "chrome/browser/predictors/loading_predictor.h"
+#include "chrome/browser/predictors/loading_predictor_factory.h"
 #include "chrome/browser/predictors/resource_prefetch_predictor_tables.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/common/resource_type.h"
 
 using predictors::AutocompleteActionPredictor;
 using predictors::ResourcePrefetchPredictor;
 using predictors::ResourcePrefetchPredictorTables;
 
 namespace {
@@ skipping 13 matching lines @@
     default:
       return "Unknown";
   }
 }
 
 }  // namespace
 
 PredictorsHandler::PredictorsHandler(Profile* profile) {
   autocomplete_action_predictor_ =
       predictors::AutocompleteActionPredictorFactory::GetForProfile(profile);
-  resource_prefetch_predictor_ =
-      predictors::ResourcePrefetchPredictorFactory::GetForProfile(profile);
+  loading_predictor_ =
+      predictors::LoadingPredictorFactory::GetForProfile(profile);
 }
 
 PredictorsHandler::~PredictorsHandler() { }
 
 void PredictorsHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("requestAutocompleteActionPredictorDb",
       base::Bind(&PredictorsHandler::RequestAutocompleteActionPredictorDb,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("requestResourcePrefetchPredictorDb",
       base::Bind(&PredictorsHandler::RequestResourcePrefetchPredictorDb,
@@ skipping 22 matching lines @@
     }
     dict.Set("db", std::move(db));
   }
 
   web_ui()->CallJavascriptFunctionUnsafe("updateAutocompleteActionPredictorDb",
                                          dict);
 }
 
 void PredictorsHandler::RequestResourcePrefetchPredictorDb(
     const base::ListValue* args) {
-  const bool enabled = (resource_prefetch_predictor_ != NULL);
+  const bool enabled = (loading_predictor_ != nullptr);
   base::DictionaryValue dict;
   dict.SetBoolean("enabled", enabled);
 
   if (enabled) {
     // Url Database cache.
     auto db = base::MakeUnique<base::ListValue>();
+    auto* resource_prefetch_predictor =
+        loading_predictor_->resource_prefetch_predictor();
     AddPrefetchDataMapToListValue(
-        *resource_prefetch_predictor_->url_table_cache_, db.get());
+        *resource_prefetch_predictor->url_table_cache_, db.get());
     dict.Set("url_db", std::move(db));
 
     db = base::MakeUnique<base::ListValue>();
     AddPrefetchDataMapToListValue(
-        *resource_prefetch_predictor_->host_table_cache_, db.get());
+        *resource_prefetch_predictor->host_table_cache_, db.get());
     dict.Set("host_db", std::move(db));
   }
 
   web_ui()->CallJavascriptFunctionUnsafe("updateResourcePrefetchPredictorDb",
                                          dict);
 }
 
 void PredictorsHandler::AddPrefetchDataMapToListValue(
     const ResourcePrefetchPredictor::PrefetchDataMap& data_map,
     base::ListValue* db) const {
   for (const auto& p : data_map) {
     std::unique_ptr<base::DictionaryValue> main(new base::DictionaryValue());
     main->SetString("main_frame_url", p.first);
     auto resources = base::MakeUnique<base::ListValue>();
     for (const predictors::ResourceData& r : p.second.resources()) {
       std::unique_ptr<base::DictionaryValue> resource(
           new base::DictionaryValue());
       resource->SetString("resource_url", r.resource_url());
       resource->SetString("resource_type",
                           ConvertResourceType(r.resource_type()));
       resource->SetInteger("number_of_hits", r.number_of_hits());
       resource->SetInteger("number_of_misses", r.number_of_misses());
       resource->SetInteger("consecutive_misses", r.consecutive_misses());
       resource->SetDouble("position", r.average_position());
       resource->SetDouble(
           "score", ResourcePrefetchPredictorTables::ComputeResourceScore(r));
       resource->SetBoolean("before_first_contentful_paint",
                            r.before_first_contentful_paint());
+      auto* resource_prefetch_predictor =
+          loading_predictor_->resource_prefetch_predictor();
       resource->SetBoolean(
           "is_prefetchable",
-          resource_prefetch_predictor_->IsResourcePrefetchable(r));
+          resource_prefetch_predictor->IsResourcePrefetchable(r));
       resources->Append(std::move(resource));
     }
     main->Set("resources", std::move(resources));
     db->Append(std::move(main));
   }
 }