Refactoring, moving and renaming the NetworkActionPredictor.

chrome/browser/predictors/autocomplete_action_predictor.h

Index: chrome/browser/predictors/autocomplete_action_predictor.h
diff --git a/chrome/browser/autocomplete/network_action_predictor.h b/chrome/browser/predictors/autocomplete_action_predictor.h
similarity index 84%
rename from chrome/browser/autocomplete/network_action_predictor.h
rename to chrome/browser/predictors/autocomplete_action_predictor.h
index a8351e41adbc75359db727789fb61919dba779db..463f94021529012337553917cee81bd3008e9c16 100644
--- a/chrome/browser/autocomplete/network_action_predictor.h
+++ b/chrome/browser/predictors/autocomplete_action_predictor.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_AUTOCOMPLETE_NETWORK_ACTION_PREDICTOR_H_
-#define CHROME_BROWSER_AUTOCOMPLETE_NETWORK_ACTION_PREDICTOR_H_
+#ifndef CHROME_BROWSER_PREDICTORS_AUTOCOMPLETE_ACTION_PREDICTOR_H_
+#define CHROME_BROWSER_PREDICTORS_AUTOCOMPLETE_ACTION_PREDICTOR_H_
 #pragma once
 
 #include <map>
@@ -12,7 +12,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/string16.h"
-#include "chrome/browser/autocomplete/network_action_predictor_database.h"
+#include "chrome/browser/predictors/predictor_database.h"
 #include "chrome/browser/profiles/profile_keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ -22,24 +22,27 @@ struct AutocompleteLog;
 struct AutocompleteMatch;
 class AutocompleteResult;
 class HistoryService;
+class PredictorsDOMHandler;
 class Profile;
 
 namespace history {
 class URLDatabase;
 }
 
+namespace predictors {
+
 // This class is responsible for determining the correct predictive network
 // action to take given for a given AutocompleteMatch and entered text. it uses
-// a NetworkActionPredictorDatabase accessed asynchronously on the DB thread to
+// a PredictorDatabase accessed asynchronously on the DB thread to
 // permanently store the data used to make predictions, and keeps local caches
 // of that data to be able to make predictions synchronously on the UI thread
 // where it lives. It can be accessed as a weak pointer so that it can safely
 // use PostTaskAndReply without fear of crashes if it is destroyed before the
 // reply triggers. This is necessary during initialization.
-class NetworkActionPredictor
+class AutocompleteActionPredictor
     : public ProfileKeyedService,
       public content::NotificationObserver,
-      public base::SupportsWeakPtr<NetworkActionPredictor> {
+      public base::SupportsWeakPtr<AutocompleteActionPredictor> {
  public:
   enum Action {
     ACTION_PRERENDER = 0,
@@ -48,8 +51,8 @@ class NetworkActionPredictor
     LAST_PREDICT_ACTION = ACTION_NONE
   };
 
-  explicit NetworkActionPredictor(Profile* profile);
-  virtual ~NetworkActionPredictor();
+  explicit AutocompleteActionPredictor(Profile* profile);
+  virtual ~AutocompleteActionPredictor();
 
   static void set_hit_weight(double weight) { hit_weight_ = weight; }
   static double get_hit_weight() { return hit_weight_; }
@@ -78,8 +81,8 @@ class NetworkActionPredictor
   static bool IsPreconnectable(const AutocompleteMatch& match);
 
  private:
-  friend class NetworkActionPredictorTest;
-  friend class NetworkActionPredictorDOMHandler;
+  friend class AutocompleteActionPredictorTest;
+  friend class ::PredictorsDOMHandler;
 
   struct TransitionalMatch {
     TransitionalMatch();
@@ -113,7 +116,7 @@ class NetworkActionPredictor
   };
 
   typedef std::map<DBCacheKey, DBCacheValue> DBCacheMap;
-  typedef std::map<DBCacheKey, NetworkActionPredictorDatabase::Row::Id>
+  typedef std::map<DBCacheKey, AutocompleteActionPredictorTable::Row::Id>
       DBIdCacheMap;
 
   static const int kMaximumDaysToKeepEntry;
@@ -138,7 +141,7 @@ class NetworkActionPredictor
   // |id_list| must not be NULL. Every row id deleted will be added to id_list.
   void DeleteOldIdsFromCaches(
       history::URLDatabase* url_db,
-      std::vector<NetworkActionPredictorDatabase::Row::Id>* id_list);
+      std::vector<AutocompleteActionPredictorTable::Row::Id>* id_list);
 
   // Called to delete any old or invalid entries from the database. Called after
   // the local caches are created once the history service is available.
@@ -148,7 +151,7 @@ class NetworkActionPredictor
   // if the history service is available, or registers for the notification of
   // it becoming available.
   void CreateCaches(
-      std::vector<NetworkActionPredictorDatabase::Row>* row_buffer);
+      std::vector<AutocompleteActionPredictorTable::Row>* row_buffer);
 
   // Attempts to call DeleteOldEntries if the in-memory database has been loaded
   // by |service|. Returns success as a boolean.
@@ -167,11 +170,11 @@ class NetworkActionPredictor
 
   // Adds a row to the database and caches.
   void AddRow(const DBCacheKey& key,
-              const NetworkActionPredictorDatabase::Row& row);
+              const AutocompleteActionPredictorTable::Row& row);
 
   // Updates a row in the database and the caches.
   void UpdateRow(DBCacheMap::iterator it,
-                 const NetworkActionPredictorDatabase::Row& row);
+                 const AutocompleteActionPredictorTable::Row& row);
 
   // Removes all rows from the database and caches.
   void DeleteAllRows();
@@ -179,12 +182,8 @@ class NetworkActionPredictor
   // Removes rows from the database and caches that contain a URL in |urls|.
   void DeleteRowsWithURLs(const std::set<GURL>& urls);
 
-  // Used to batch operations on the database.
-  void BeginTransaction();
-  void CommitTransaction();
-
   Profile* profile_;
-  scoped_refptr<NetworkActionPredictorDatabase> db_;
+  scoped_refptr<PredictorDatabase> db_;
   content::NotificationRegistrar notification_registrar_;
 
   // This is cleared after every Omnibox navigation.
@@ -199,7 +198,9 @@ class NetworkActionPredictor
 
   bool initialized_;
 
-  DISALLOW_COPY_AND_ASSIGN(NetworkActionPredictor);
+  DISALLOW_COPY_AND_ASSIGN(AutocompleteActionPredictor);
 };
 
-#endif  // CHROME_BROWSER_AUTOCOMPLETE_NETWORK_ACTION_PREDICTOR_H_
+}  // namespace predictors
+
+#endif  // CHROME_BROWSER_PREDICTORS_AUTOCOMPLETE_ACTION_PREDICTOR_H_