Coalesce event router Init calls into their constructors.

chrome/browser/extensions/api/management/management_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_MANAGEMENT_MANAGEMENT_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MANAGEMENT_MANAGEMENT_API_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
@@ skipping 126 matching lines @@
 
   std::string extension_id_;
   scoped_ptr<ExtensionUninstallDialog> extension_uninstall_dialog_;
 };
 
 class ExtensionManagementEventRouter : public content::NotificationObserver {
  public:
   explicit ExtensionManagementEventRouter(Profile* profile);
   virtual ~ExtensionManagementEventRouter();
 
-  void Init();
-
  private:
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   content::NotificationRegistrar registrar_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionManagementEventRouter);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MANAGEMENT_MANAGEMENT_API_H_