Remove the unused ProcessFilter destructor.

base/process_util.h

 // Copyright (c) 2009 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/namespace contains utility functions for enumerating, ending and
 // computing statistics of processes.
 
 #ifndef BASE_PROCESS_UTIL_H_
 #define BASE_PROCESS_UTIL_H_
 
@@ skipping 165 matching lines @@
 bool GetAppOutputRestricted(const CommandLine& cl,
                             std::string* output, size_t max_output);
 #endif
 
 // Used to filter processes by process ID.
 class ProcessFilter {
  public:
   // Returns true to indicate set-inclusion and false otherwise.  This method
   // should not have side-effects and should be idempotent.
   virtual bool Includes(ProcessId pid, ProcessId parent_pid) const = 0;
-  virtual ~ProcessFilter() { }
 };
 
 // Returns the number of processes on the machine that are running from the
 // given executable name.  If filter is non-null, then only processes selected
 // by the filter will be counted.
 int GetProcessCount(const std::wstring& executable_name,
                     const ProcessFilter* filter);
 
 // Attempts to kill all the processes on the current machine that were launched
 // from the given executable name, ending them with the given exit code.  If
@@ skipping 263 matching lines @@
 // instance running inside the parent.  The parent's Breakpad instance should
 // not handle the child's exceptions.  Calling RestoreDefaultExceptionHandler
 // in the child after forking will restore the standard exception handler.
 // See http://crbug.com/20371/ for more details.
 void RestoreDefaultExceptionHandler();
 #endif
 
 }  // namespace base
 
 #endif  // BASE_PROCESS_UTIL_H_