fix NetInternalsTest.NetInternalsPrerenderViewSucceed for aura

chrome/browser/ui/views/aura/launcher_icon_updater.cc

 // Copyright (c) 2011 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/ui/views/aura/launcher_icon_updater.h"
 
 #include <algorithm>
 
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
@@ skipping 68 matching lines @@
     int index,
     TabStripModelObserver::TabChangeType change_type) {
   if (change_type != TabStripModelObserver::LOADING_ONLY &&
       change_type != TabStripModelObserver::TITLE_NOT_LOADING) {
     Tabs::iterator i = std::find(tabs_.begin(), tabs_.end(), tab);
     if (i != tabs_.end() && (i - tabs_.begin()) < kMaxCount)
       UpdateLauncher();
   }
 }
 
+void LauncherIconUpdater::TabReplacedAt(TabStripModel* tab_strip_model,
+                                        TabContentsWrapper* old_contents,
+                                        TabContentsWrapper* new_contents,
+                                        int index) {
+  Tabs::iterator i = std::find(tabs_.begin(), tabs_.end(), old_contents);
+  if (i != tabs_.end()) {
+    int pos = i - tabs_.begin();
+    tabs_[pos] = new_contents;
+    if (pos < kMaxCount)
+      UpdateLauncher();
+  }
+}
+
 void LauncherIconUpdater::UpdateLauncher() {
   if (tabs_.empty())
     return;  // Assume the window is going to be closed if there are no tabs.
 
   int item_index = launcher_model_->ItemIndexByWindow(window_);
   if (item_index == -1)
     return;
 
   if (launcher_model_->items()[item_index].type == aura_shell::TYPE_APP) {
     // Use the app icon if we can.
@@ skipping 13 matching lines @@
     // TODO: needs to be updated for apps.
     images[i].image = tabs_[i]->favicon_tab_helper()->GetFavicon();
     if (images[i].image.empty()) {
       images[i].image = *ResourceBundle::GetSharedInstance().GetBitmapNamed(
           IDR_DEFAULT_FAVICON);
     }
     images[i].user_data = tabs_[i];
   }
   launcher_model_->SetTabbedImages(item_index, images);
 }