Shorten SingletonSocket filename, makes socket length limit harder to hit.

chrome/browser/process_singleton_posix.cc

Index: chrome/browser/process_singleton_posix.cc
diff --git a/chrome/browser/process_singleton_posix.cc b/chrome/browser/process_singleton_posix.cc
index 17c9b88606ee89b9570bb517942a9339e1a3f016..8c936ae0753e8b86fffce1f25b239a9688f6c98f 100644
--- a/chrome/browser/process_singleton_posix.cc
+++ b/chrome/browser/process_singleton_posix.cc
@@ -984,7 +984,7 @@ bool ProcessSingleton::Create() {
 
   // Setup the socket symlink and the two cookies.
   base::FilePath socket_target_path =
-      socket_dir_.GetPath().Append(chrome::kSingletonSocketFilename);
+      socket_dir_.GetPath().Append(chrome::kSingletonSocketRealFilename);
   base::FilePath cookie(GenerateCookie());
   base::FilePath remote_cookie_path =
       socket_dir_.GetPath().Append(chrome::kSingletonCookieFilename);