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chrome/browser/tab_contents_wrapper.cc

-// 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.
-
-#include "chrome/browser/tab_contents_wrapper.h"
-
-#include "base/singleton.h"
-#include "chrome/browser/password_manager/password_manager.h"
-#include "chrome/browser/password_manager_delegate_impl.h"
-#include "chrome/browser/tab_contents/tab_contents.h"
-
-////////////////////////////////////////////////////////////////////////////////
-// TabContentsWrapper, public:
-
-TabContentsWrapper::TabContentsWrapper(TabContents* contents)
-    : tab_contents_(contents) {
-  DCHECK(contents);
-  // Stash this in the property bag so it can be retrieved without having to
-  // go to a Browser.
-  property_accessor()->SetProperty(contents->property_bag(), this);
-
-  // Needed so that we initialize the password manager on first navigation.
-  tab_contents()->AddNavigationObserver(this);
-}
-
-TabContentsWrapper::~TabContentsWrapper() {
-  // Unregister observers (TabContents outlives supporting objects).
-  tab_contents()->RemoveNavigationObserver(password_manager_.get());
-}
-
-PropertyAccessor<TabContentsWrapper*>* TabContentsWrapper::property_accessor() {
-  return Singleton< PropertyAccessor<TabContentsWrapper*> >::get();
-}
-
-TabContentsWrapper* TabContentsWrapper::Clone() {
-  TabContents* new_contents = tab_contents()->Clone();
-  TabContentsWrapper* new_wrapper = new TabContentsWrapper(new_contents);
-  // Instantiate the passowrd manager if it has been instantiated here.
-  if (password_manager_.get())
-    new_wrapper->GetPasswordManager();
-  return new_wrapper;
-}
-
-PasswordManager* TabContentsWrapper::GetPasswordManager() {
-  if (!password_manager_.get()) {
-    // Create the delegate then create the manager.
-    password_manager_delegate_.reset(
-        new PasswordManagerDelegateImpl(tab_contents()));
-    password_manager_.reset(
-        new PasswordManager(password_manager_delegate_.get()));
-    // Register the manager to receive navigation notifications.
-    tab_contents()->AddNavigationObserver(password_manager_.get());
-  }
-  return password_manager_.get();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TabContentsWrapper, WebNavigationObserver implementation:
-
-void TabContentsWrapper::NavigateToPendingEntry() {
-  GetPasswordManager();
-  tab_contents()->RemoveNavigationObserver(this);
-}