Removed zombie hunter code

BUG=6468

Review URL: http://codereview.chromium.org/46076

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@12314 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 0 insertions, 63 deletions

diff --git a/chrome/browser/process_singleton.h b/chrome/browser/process_singleton.h
index 1d6a1df..b5f3631 100644
--- a/chrome/browser/process_singleton.h
+++ b/chrome/browser/process_singleton.h
@@ -52,9 +52,6 @@ class ProcessSingleton {
     locked_ = false;
   }
 
-  // Looks for zombie renderer and plugin processes that could have survived.
-  void HuntForZombieChromeProcesses();
-
  private:
   bool locked_;
 
diff --git a/chrome/browser/process_singleton_linux.cc b/chrome/browser/process_singleton_linux.cc
index 2dd9bd1..6ae4596 100644
--- a/chrome/browser/process_singleton_linux.cc
+++ b/chrome/browser/process_singleton_linux.cc
@@ -55,12 +55,6 @@ void ProcessSingleton::Create() {
   // http://code.google.com/p/chromium/issues/detail?id=8073
 }
 
-void ProcessSingleton::HuntForZombieChromeProcesses() {
-  // On Windows, this examines all the chrome.exe processes to see if one
-  // is hung.  TODO(port): should we do anything here?
-  // http://code.google.com/p/chromium/issues/detail?id=8073
-}
-
 void ProcessSingleton::SetupSocket(int* sock, struct sockaddr_un* addr) {
   *sock = socket(PF_UNIX, SOCK_STREAM, 0);
   if (*sock < 0)
diff --git a/chrome/browser/process_singleton_win.cc b/chrome/browser/process_singleton_win.cc
index 190804f..af61e22 100644
--- a/chrome/browser/process_singleton_win.cc
+++ b/chrome/browser/process_singleton_win.cc
@@ -248,57 +248,3 @@ LRESULT CALLBACK ProcessSingleton::WndProc(HWND hwnd, UINT message,
 
   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);
-}