Move the SingletonSocket to a temporary directory

chrome/browser/process_singleton.h

 // Copyright (c) 2010 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_BROWSER_PROCESS_SINGLETON_H_
 #define CHROME_BROWSER_PROCESS_SINGLETON_H_
 #pragma once
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "base/basictypes.h"
 #if defined(USE_X11)
 #include "base/file_path.h"
 #endif
 #include "base/logging.h"
 #include "base/non_thread_safe.h"
 #include "base/ref_counted.h"
 #include "gfx/native_widget_types.h"
+#if defined(OS_LINUX)

[mattm, 2010/08/24 02:54:12]

looks like this file was recently changed to use defined(USE_X11) for the
"linux" branch, so I guess this ifdef should be USE_X11 also.

+#include "base/scoped_temp_dir.h"
+#endif
 
 class CommandLine;
 class FilePath;
 
 // ProcessSingleton ----------------------------------------------------------
 //
 // This class allows different browser processes to communicate with
 // each other.  It is named according to the user data directory, so
 // we can be sure that no more than one copy of the application can be
 // running at once with a given data directory.
@@ skipping 99 matching lines @@
 
   HWND remote_window_;  // The HWND_MESSAGE of another browser.
   HWND window_;  // The HWND_MESSAGE window.
 #elif defined(USE_X11)
   // Path in file system to the socket.
   FilePath socket_path_;
 
   // Path in file system to the lock.
   FilePath lock_path_;
 
+  // Path in file system to the cookie file.
+  FilePath cookie_path_;
+
+  // Temporary directory to hold the socket.
+  ScopedTempDir socket_dir_;
+
   // Helper class for linux specific messages.  LinuxWatcher is ref counted
   // because it posts messages between threads.
   class LinuxWatcher;
   scoped_refptr<LinuxWatcher> watcher_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ProcessSingleton);
 };
 
 #endif  // CHROME_BROWSER_PROCESS_SINGLETON_H_