Remove implicit conversions from scoped_refptr to T* in chrome/installer

chrome/installer/util/shell_util.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.
 //
 // This file defines functions that integrate Chrome in Windows shell. These
 // functions can be used by Chrome as well as Chrome installer. All of the
 // work is done by the local functions defined in anonymous namespace in
 // this class.
 
 #include "chrome/installer/util/shell_util.h"
@@ skipping 1472 matching lines @@
 
   bool success = true;
   base::FileEnumerator enumerator(
       shortcut_folder, false, base::FileEnumerator::FILES,
       base::string16(L"*") + installer::kLnkExt);
   base::FilePath target_path;
   base::string16 args;
   for (base::FilePath shortcut_path = enumerator.Next();
        !shortcut_path.empty();
        shortcut_path = enumerator.Next()) {
-    if (cancel && cancel->data.IsSet())
+    if (cancel.get() && cancel->data.IsSet())
       return false;
     if (base::win::ResolveShortcut(shortcut_path, &target_path, &args)) {
       if (shortcut_filter.Run(target_path, args) &&
           !shortcut_operation.Run(shortcut_path)) {
         success = false;
       }
     } else {
       LOG(ERROR) << "Cannot resolve shortcut at " << shortcut_path.value();
       success = false;
     }
@@ skipping 973 matching lines @@
   base::string16 key_path(ShellUtil::kRegClasses);
   key_path.push_back(base::FilePath::kSeparators[0]);
   key_path.append(prog_id);
   return InstallUtil::DeleteRegistryKey(
       HKEY_CURRENT_USER, key_path, WorkItem::kWow64Default);
 
   // TODO(mgiuca): Remove the extension association entries. This requires that
   // the extensions associated with a particular prog_id are stored in that
   // prog_id's key.
 }