chrome/installer/util: Fix warnings found by clang chromium-style plugin on Windows.

chrome/installer/util/conditional_work_item_list.h

 // Copyright (c) 2011 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_INSTALLER_UTIL_CONDITIONAL_WORK_ITEM_LIST_H_
 #define CHROME_INSTALLER_UTIL_CONDITIONAL_WORK_ITEM_LIST_H_
 
 #include "chrome/installer/util/work_item_list.h"
 
 #include "base/files/file_path.h"
@@ skipping 30 matching lines @@
   bool ShouldRun() const;
 
  private:
   base::FilePath key_path_;
 };
 
 // Condition class that inverts the ShouldRun result of another Condition.
 // This class assumes ownership of original_condition.
 class Not : public WorkItem::Condition {
  public:
-   explicit Not(WorkItem::Condition* original_condition)
-     : original_condition_(original_condition) {}
+  explicit Not(WorkItem::Condition* original_condition);
+  ~Not();
+
   bool ShouldRun() const;
 
  private:
   scoped_ptr<WorkItem::Condition> original_condition_;
 };
 
-
 #endif  // CHROME_INSTALLER_UTIL_CONDITIONAL_WORK_ITEM_LIST_H_