Remove implicit conversions from scoped_refptr to T* in chrome/browser/extensions/api/

chrome/browser/extensions/api/bookmarks/bookmarks_api.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 <algorithm>
 
 #include "chrome/browser/extensions/api/bookmarks/bookmarks_api.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ skipping 84 matching lines @@
 bool IsEnhancedBookmarksExtensionActive(Profile* profile) {
   static const char *enhanced_extension_hashes[] = {
     "D5736E4B5CF695CB93A2FB57E4FDC6E5AFAB6FE2",  // http://crbug.com/312900
     "D57DE394F36DC1C3220E7604C575D29C51A6C495",  // http://crbug.com/319444
     "3F65507A3B39259B38C8173C6FFA3D12DF64CCE9"   // http://crbug.com/371562
   };
   const ExtensionSet& extensions =
       ExtensionRegistry::Get(profile)->enabled_extensions();
   for (ExtensionSet::const_iterator it = extensions.begin();
        it != extensions.end(); ++it) {
-    const Extension* extension = *it;
+    const Extension* extension = it->get();
     if (extension->permissions_data()->HasAPIPermission(
             APIPermission::kBookmarkManagerPrivate)) {
       std::string hash = base::SHA1HashString(extension->id());
       hash = base::HexEncode(hash.c_str(), hash.length());
       for (size_t i = 0; i < arraysize(enhanced_extension_hashes); i++)
         if (hash == enhanced_extension_hashes[i])
           return true;
     }
   }
   return false;
@@ skipping 790 matching lines @@
 }
 
 void BookmarksExportFunction::FileSelected(const base::FilePath& path,
                                            int index,
                                            void* params) {
   bookmark_html_writer::WriteBookmarks(GetProfile(), path, NULL);
   Release();  // Balanced in BookmarksIOFunction::SelectFile()
 }
 
 }  // namespace extensions