Removed zombie hunter code

chrome/browser/process_singleton_win.cc

 // 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.
 
 #include "chrome/browser/process_singleton.h"
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/process_util.h"
 #include "base/win_util.h"
@@ skipping 230 matching lines @@
   switch (message) {
     case WM_COPYDATA:
       return OnCopyData(reinterpret_cast<HWND>(wparam),
                         reinterpret_cast<COPYDATASTRUCT*>(lparam));
     default:
       break;
   }
 
   return ::DefWindowProc(hwnd, message, wparam, lparam);
 }
-
-void ProcessSingleton::HuntForZombieChromeProcesses() {
-  // Detecting dead renderers is simple:
-  // - The process is named chrome.exe.
-  // - The process' parent doesn't exist anymore.
-  // - The process doesn't have a chrome::kMessageWindowClass window.
-  // If these conditions hold, the process is a zombie renderer or plugin.
-
-  // Retrieve the list of browser processes on start. This list is then used to
-  // detect zombie renderer process or plugin process.
-  class ZombieDetector : public base::ProcessFilter {
-   public:
-    ZombieDetector() {
-      for (HWND window = NULL;;) {
-        window = FindWindowEx(HWND_MESSAGE,
-                              window,
-                              chrome::kMessageWindowClass,
-                              NULL);
-        if (!window)
-          break;
-        DWORD process = 0;
-        GetWindowThreadProcessId(window, &process);
-        if (process)
-          browsers_.push_back(process);
-      }
-      // We are also a browser, regardless of having the window or not.
-      browsers_.push_back(::GetCurrentProcessId());
-    }
-
-    virtual bool Includes(uint32 pid, uint32 parent_pid) const {
-      // Don't kill ourself eh.
-      if (GetCurrentProcessId() == pid)
-        return false;
-
-      // Is this a browser? If so, ignore it.
-      if (std::find(browsers_.begin(), browsers_.end(), pid) != browsers_.end())
-        return false;
-
-      // Is the parent a browser? If so, ignore it.
-      if (std::find(browsers_.begin(), browsers_.end(), parent_pid)
-          != browsers_.end())
-        return false;
-
-      // The chrome process is orphan.
-      return true;
-    }
-
-   protected:
-    std::vector<uint32> browsers_;
-  };
-
-  ZombieDetector zombie_detector;
-  base::KillProcesses(L"chrome.exe", ResultCodes::HUNG, &zombie_detector);
-}