Revert 58802 - Implement the webNavigation.onCommitted event....

chrome/browser/extensions/extension_webnavigation_api.h

Index: chrome/browser/extensions/extension_webnavigation_api.h
===================================================================
--- chrome/browser/extensions/extension_webnavigation_api.h	(revision 58805)
+++ chrome/browser/extensions/extension_webnavigation_api.h	(working copy)
@@ -1,56 +0,0 @@
-// Copyright (c) 2010 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.
-
-// Defines the Chrome Extensions WebNavigation API functions for observing and
-// intercepting navigation events, as specified in
-// chrome/common/extensions/api/extension_api.json.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_WEBNAVIGATION_API_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTENSION_WEBNAVIGATION_API_H_
-#pragma once
-
-#include "base/singleton.h"
-#include "chrome/browser/extensions/extension_function.h"
-#include "chrome/browser/tab_contents/navigation_controller.h"
-#include "chrome/common/notification_registrar.h"
-#include "googleurl/src/gurl.h"
-
-// Observes navigation notifications and routes them as events to the extension
-// system.
-class ExtensionWebNavigationEventRouter : public NotificationObserver {
- public:
-  // Single instance of the event router.
-  static ExtensionWebNavigationEventRouter* GetInstance();
-
-  void Init();
-
- private:
-  friend struct DefaultSingletonTraits<ExtensionWebNavigationEventRouter>;
-
-  ExtensionWebNavigationEventRouter() {}
-  virtual ~ExtensionWebNavigationEventRouter() {}
-
-  // NotificationObserver implementation.
-  virtual void Observe(NotificationType type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details);
-
-  // Handler for the NAV_ENTRY_COMMITTED event. The method takes the details of
-  // such an event and constructs a suitable JSON formatted extension event
-  // from it.
-  void NavEntryCommitted(NavigationController* controller,
-                         NavigationController::LoadCommittedDetails* details);
-
-  // This method dispatches events to the extension message service.
-  void DispatchEvent(Profile* context,
-                     const char* event_name,
-                     const std::string& json_args);
-
-  // Used for tracking registrations to navigation notifications.
-  NotificationRegistrar registrar_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionWebNavigationEventRouter);
-};
-
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_WEBNAVIGATION_API_H_