Add missing destructor to ChromeWatcherCommandLineGenerator.

chrome/app/chrome_watcher_command_line_win.h

 // Copyright (c) 2014 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_APP_CHROME_WATCHER_COMMAND_LINE_WIN_H_
 #define CHROME_APP_CHROME_WATCHER_COMMAND_LINE_WIN_H_
 
 #include <windows.h>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/win/scoped_handle.h"
 
 // Class for configuring the Chrome watcher process via the command-line. This
 // accepts configuration from the parent process and generates the required
 // command-line.
 //
 // It provides functionality for the common task of sharing handles from a
 // parent to a child process, automatically duplicating them with the
 // appropriate permissions. These handles are closed when the generator is
 // destroyed so the generator must outlive the process creation.
 class ChromeWatcherCommandLineGenerator {
  public:
   explicit ChromeWatcherCommandLineGenerator(const base::FilePath& chrome_exe);
+  ~ChromeWatcherCommandLineGenerator();
 
   // Sets a handle to be shared with the child process. This will duplicate the
   // handle with the inherit flag, with this object retaining ownership of the
   // duplicated handle. As such, this object must live at least until after the
   // watcher process has been created. Returns true on success, false on
   // failure. This can fail if the call to DuplicateHandle fails. Each of these
   // may only be called once.
   bool SetOnInitializedEventHandle(HANDLE on_initialized_event_handle);
   bool SetParentProcessHandle(HANDLE parent_process_handle_);
 
@@ skipping 79 matching lines @@
 // before returning them. Returns true if all parameters are successfully parsed
 // and false otherwise. In case of partial failure, any successfully parsed
 // HANDLEs will be closed.
 bool InterpretChromeWatcherCommandLine(
     const base::CommandLine& command_line,
     base::win::ScopedHandle* parent_process,
     DWORD* main_thread_id,
     base::win::ScopedHandle* on_initialized_event);
 
 #endif  // CHROME_APP_CHROME_WATCHER_COMMAND_LINE_WIN_H_