FBTF: Fix more ctor/dtors found by clang plugin.

chrome/profile_import/profile_import_thread.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_PROFILE_IMPORT_PROFILE_IMPORT_THREAD_H_
 #define CHROME_PROFILE_IMPORT_PROFILE_IMPORT_THREAD_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 10 matching lines @@
 class DictionaryValue;
 class ExternalProcessImporterBridge;
 class Importer;
 class InProcessImporterBridge;
 
 // This class represents the background thread which communicates with the
 // importer work thread in the importer process.
 class ProfileImportThread : public ChildThread {
  public:
   ProfileImportThread();
-  virtual ~ProfileImportThread() {}
+  virtual ~ProfileImportThread();
 
   // Returns the one profile import thread.
   static ProfileImportThread* current() {
     return static_cast<ProfileImportThread*>(ChildThread::current());
   }
 
   // Bridging methods, called from importer_bridge tasks posted here.
   void NotifyItemStarted(importer::ImportItem item);
   void NotifyItemEnded(importer::ImportItem item);
   void NotifyStarted();
@@ skipping 51 matching lines @@
   // A mask of importer::ImportItems.
   uint16 items_to_import_;
 
   // Importer of the appropriate type (Firefox, Safari, IE, etc.)
   Importer* importer_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileImportThread);
 };
 
 #endif  // CHROME_PROFILE_IMPORT_PROFILE_IMPORT_THREAD_H_