chromeos: Fix interface nits.

chrome/browser/chromeos/contacts/contact_database.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_CHROMEOS_CONTACTS_CONTACT_DATABASE_H_
 #define CHROME_BROWSER_CHROMEOS_CONTACTS_CONTACT_DATABASE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 24 matching lines @@
 class ContactDatabaseInterface {
  public:
   typedef std::vector<std::string> ContactIds;
   typedef base::Callback<void(bool success)> InitCallback;
   typedef base::Callback<void(bool success)> SaveCallback;
   typedef base::Callback<void(bool success,
                               scoped_ptr<ScopedVector<Contact> >,
                               scoped_ptr<UpdateMetadata>)>
       LoadCallback;
 
-  ContactDatabaseInterface() {}
-
   // Asynchronously destroys the object after all in-progress file operations
   // have completed.
   virtual void DestroyOnUIThread() {}
 
   // Asynchronously initializes the object.  |callback| will be invoked on the
   // UI thread when complete.
   virtual void Init(const FilePath& database_dir, InitCallback callback) = 0;
 
   // Asynchronously saves |contacts_to_save| and |metadata| to the database and
   // removes contacts with IDs contained in |contact_ids_to_delete|.  If
   // |is_full_update| is true, all existing contacts in the database not present
   // in |contacts_to_save| will be removed.  |callback| will be invoked on the
   // UI thread when complete.  The caller must not make changes to the
   // underlying passed-in Contact objects until the callback has been invoked.
   virtual void SaveContacts(scoped_ptr<ContactPointers> contacts_to_save,
                             scoped_ptr<ContactIds> contact_ids_to_delete,
                             scoped_ptr<UpdateMetadata> metadata,
                             bool is_full_update,
                             SaveCallback callback) = 0;
 
   // Asynchronously loads all contacts from the database and invokes |callback|
   // when complete.
   virtual void LoadContacts(LoadCallback callback) = 0;
 
  protected:
   virtual ~ContactDatabaseInterface() {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ContactDatabaseInterface);
 };
 
 class ContactDatabase : public ContactDatabaseInterface {
  public:
   ContactDatabase();
 
   // ContactDatabaseInterface implementation.
   virtual void DestroyOnUIThread() OVERRIDE;
   virtual void Init(const FilePath& database_dir,
                     InitCallback callback) OVERRIDE;
@@ skipping 48 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<ContactDatabase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ContactDatabase);
 };
 
 }  // namespace contacts
 
 #endif  // CHROME_BROWSER_CHROMEOS_CONTACTS_CONTACT_DATABASE_H_