Move Extension into extensions namespace

chrome/browser/ui/tabs/pinned_tab_codec.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/pinned_tab_codec.h"
 
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
@@ skipping 36 matching lines @@
 
 // Adds a DictionaryValue to |values| representing the pinned tab at the
 // specified index.
 static void EncodePinnedTab(TabStripModel* model,
                             int index,
                             ListValue* values) {
   scoped_ptr<DictionaryValue> value(new DictionaryValue());
 
   TabContentsWrapper* tab_contents = model->GetTabContentsAt(index);
   if (model->IsAppTab(index)) {
-    const Extension* extension =
+    const extensions::Extension* extension =
         tab_contents->extension_tab_helper()->extension_app();
     DCHECK(extension);
     value->SetString(kAppID, extension->id());
     // For apps we use the launch url. We do this for the following reason:
     // . the user is effectively restarting the app, so that returning them to
     //   the app's launch page seems closest to what they expect.
     value->SetString(kURL, extension->GetFullLaunchURL().spec());
     values->Append(value.release());
   } else {
     NavigationEntry* entry =
@@ skipping 86 matching lines @@
   for (size_t i = 0, max = tabs_list->GetSize(); i < max; ++i) {
     base::DictionaryValue* tab_values = NULL;
     if (tabs_list->GetDictionary(i, &tab_values)) {
       StartupTab tab;
       if (DecodeTab(*tab_values, &tab))
         results.push_back(tab);
     }
   }
   return results;
 }