Move Extension into extensions namespace

chrome/browser/ui/tabs/tab_strip_model.cc

 // 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.
 
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/command_line.h"
@@ skipping 1002 matching lines @@
       int index = GetWrapperIndex(content::Source<WebContents>(source).ptr());
       if (index != TabStripModel::kNoTab) {
         // Note that we only detach the contents here, not close it - it's
         // already been closed. We just want to undo our bookkeeping.
         DetachTabContentsAt(index);
       }
       break;
     }
 
     case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
-      const Extension* extension =
-          content::Details<UnloadedExtensionInfo>(details)->extension;
+      const extensions::Extension* extension =
+          content::Details<extensions::UnloadedExtensionInfo>(
+              details)->extension;
       // Iterate backwards as we may remove items while iterating.
       for (int i = count() - 1; i >= 0; i--) {
         TabContentsWrapper* contents = GetTabContentsAt(i);
         if (contents->extension_tab_helper()->extension_app() == extension) {
           // The extension an app tab was created from has been nuked. Delete
           // the WebContents. Deleting a WebContents results in a notification
           // of type NOTIFICATION_WEB_CONTENTS_DESTROYED; we do the necessary
           // cleanup in handling that notification.
 
           InternalCloseTab(contents, i, false);
@@ skipping 309 matching lines @@
 void TabStripModel::ForgetOpenersAndGroupsReferencing(
     const NavigationController* tab) {
   for (TabContentsDataVector::const_iterator i = contents_data_.begin();
        i != contents_data_.end(); ++i) {
     if ((*i)->group == tab)
       (*i)->group = NULL;
     if ((*i)->opener == tab)
       (*i)->opener = NULL;
   }
 }