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

chrome/installer/util/shell_util.h

 // 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 declares methods that are useful for integrating Chrome in
 // Windows shell. These methods are all static and currently part of
 // ShellUtil class.
 
 #ifndef CHROME_INSTALLER_UTIL_SHELL_UTIL_H_
 #define CHROME_INSTALLER_UTIL_SHELL_UTIL_H_
@@ skipping 74 matching lines @@
     enum IndividualProperties {
       PROPERTIES_TARGET = 1 << 0,
       PROPERTIES_ARGUMENTS = 1 << 1,
       PROPERTIES_DESCRIPTION = 1 << 2,
       PROPERTIES_ICON = 1 << 3,
       PROPERTIES_APP_ID = 1 << 4,
       PROPERTIES_SHORTCUT_NAME = 1 << 5,
       PROPERTIES_DUAL_MODE = 1 << 6,
     };
 
-    explicit ShortcutProperties(ShellChange level_in)
-        : level(level_in), icon_index(0), dual_mode(false),
-          pin_to_taskbar(false), options(0U) {}
+    explicit ShortcutProperties(ShellChange level_in);
+    ~ShortcutProperties();
 
     // Sets the target executable to launch from this shortcut.
     // This is mandatory when creating a shortcut.
     void set_target(const base::FilePath& target_in) {
       target = target_in;
       options |= PROPERTIES_TARGET;
     }
 
     // Sets the arguments to be passed to |target| when launching from this
     // shortcut.
@@ skipping 525 matching lines @@
   // application, as given to AddFileAssociations. All information associated
   // with this name will be deleted.
   static bool DeleteFileAssociations(const base::string16& prog_id);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShellUtil);
 };
 
 
 #endif  // CHROME_INSTALLER_UTIL_SHELL_UTIL_H_