Revert 177235

chrome/browser/extensions/activity_actions.h

-// Copyright (c) 2013 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.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_ACTIVITY_ACTIONS_H_
-#define CHROME_BROWSER_EXTENSIONS_ACTIVITY_ACTIONS_H_
-
-#include <string>
-#include "base/memory/ref_counted_memory.h"
-#include "base/values.h"
-#include "chrome/browser/history/url_database.h"
-#include "sql/connection.h"
-#include "sql/transaction.h"
-
-namespace extensions {
-
-// This is the interface for extension actions that are to be recorded in
-// the activity log.
-class Action : public base::RefCountedThreadSafe<Action> {
- public:
-  // Record the action in the database.
-  virtual void Record(sql::Connection* db) = 0;
-
-  // Print an action with il8n substitutions for display.
-  virtual std::string PrettyPrintFori18n() = 0;
-
-  // Print an action as a regular string for debugging purposes.
-  virtual std::string PrettyPrintForDebug() = 0;
-
- protected:
-  Action() {}
-  virtual ~Action() {}
-
- private:
-  friend class base::RefCountedThreadSafe<Action>;
-
-  DISALLOW_COPY_AND_ASSIGN(Action);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_ACTIONS_H_
-