Make the toast more reliable and less dangerous...

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"
 
@@ skipping 60 matching lines @@
   // Exposed for testing.  We use a timeout on Linux, and in tests we want
   // this timeout to be short.
   NotifyResult NotifyOtherProcessWithTimeout(const CommandLine& command_line,
                                              int timeout_seconds,
                                              bool kill_unresponsive);
   NotifyResult NotifyOtherProcessWithTimeoutOrCreate(
       const CommandLine& command_line,
       int timeout_seconds);
 #endif  // defined(OS_LINUX)
 
+#if defined(OS_WIN)
+  // Used in specific cases to let us know that there an existing instance

[Finnur, 2011/03/07 22:35:10]

nit: s/an/is an/

+  // of chrome running with this profile. In general, you should not use this

[Finnur, 2011/03/07 22:35:10]

nit: s/chrome/Chrome/

+  // function. Instead consider using NotifyOtherProcessOrCreate().
+  // For non profile-specific method, use Upgrade::IsBrowserAlreadyRunning().
+  bool FoundOtherProcessWindow() const {
+      return (NULL != remote_window_);
+  }
+#endif  // defined(OS_WIN)
+
   // Sets ourself up as the singleton instance.  Returns true on success.  If
   // false is returned, we are not the singleton instance and the caller must
   // exit.
   bool Create();
 
   // Clear any lock state during shutdown.
   void Cleanup();
 
   // Blocks the dispatch of CopyData messages. foreground_window refers
   // to the window that should be set to the foreground if a CopyData message
@@ skipping 70 matching lines @@
   // File descriptor associated with the lockfile, valid between
   // |Create()| and |Cleanup()|.  Two instances cannot have a lock on
   // the same file at the same time.
   int lock_fd_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ProcessSingleton);
 };
 
 #endif  // CHROME_BROWSER_PROCESS_SINGLETON_H_