Refactoring, moving and renaming the NetworkActionPredictor.

chrome/browser/ui/webui/predictors/predictors_dom_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_dom_handler.h"
+
+#include "base/bind.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/profiles/profile.h"
+#include "content/public/browser/web_ui.h"
+
+PredictorsDOMHandler::PredictorsDOMHandler(Profile* profile) {
+  autocomplete_action_predictor_ =
+      predictors::AutocompleteActionPredictorFactory::GetForProfile(profile);
+}
+
+PredictorsDOMHandler::~PredictorsDOMHandler() { }
+
+void PredictorsDOMHandler::RegisterMessages() {
+  web_ui()->RegisterMessageCallback("requestAutocompleteActionPredictorDb",
+      base::Bind(
+          &PredictorsDOMHandler::RequestAutocompleteActionPredictorDb,
+          base::Unretained(this)));
+}
+
+void PredictorsDOMHandler::RequestAutocompleteActionPredictorDb(
+    const base::ListValue* args) {
+  const bool enabled = (autocomplete_action_predictor_ != NULL);
+  base::DictionaryValue dict;
+  dict.SetBoolean("enabled", enabled);
+
+  if (enabled) {
+    base::ListValue* db = new base::ListValue();
+    for (predictors::AutocompleteActionPredictor::DBCacheMap::const_iterator it
+             = autocomplete_action_predictor_->db_cache_.begin();
+         it != autocomplete_action_predictor_->db_cache_.end();
+         ++it) {
+      base::DictionaryValue* entry = new base::DictionaryValue();
+      entry->SetString("user_text", it->first.user_text);
+      entry->SetString("url", it->first.url.spec());
+      entry->SetInteger("hit_count", it->second.number_of_hits);
+      entry->SetInteger("miss_count", it->second.number_of_misses);
+      entry->SetDouble("confidence",
+          autocomplete_action_predictor_->CalculateConfidenceForDbEntry(it));
+      db->Append(entry);
+    }
+    dict.Set("db", db);
+    dict.SetDouble("hit_weight",
+                   predictors::AutocompleteActionPredictor::get_hit_weight());
+  }
+
+  web_ui()->CallJavascriptFunction("updateDatabaseTable", dict);
+}