Add a new GetInstance() method for singleton classes, take 2.

chrome/app/breakpad_linux.cc

 // 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.
 
 // For linux_syscall_support.h. This makes it safe to call embedded system
 // calls when in seccomp mode.
 #define SYS_SYSCALL_ENTRYPOINT "playground$syscallEntryPoint"
 
 #include "chrome/app/breakpad_linux.h"
 
@@ skipping 711 matching lines @@
 
   if (HANDLE_EINTR(sys_read(fds[0], &b, 1)) != 1) {
     static const char msg[] = "Parent failed to complete crash dump.\n";
     sys_write(2, msg, sizeof(msg)-1);
   }
 
   return true;
 }
 
 void EnableNonBrowserCrashDumping() {
-  const int fd = Singleton<base::GlobalDescriptors>()->Get(kCrashDumpSignal);
+  const int fd = base::GlobalDescriptors::GetInstance()->Get(kCrashDumpSignal);
   is_crash_reporter_enabled = true;
   // We deliberately leak this object.
   google_breakpad::ExceptionHandler* handler =
       new google_breakpad::ExceptionHandler("" /* unused */, NULL, NULL,
                                             (void*) fd, true);
   handler->set_crash_handler(NonBrowserCrashHandler);
 }
 
 void InitCrashReporter() {
   // Determine the process type and take appropriate action.
@@ skipping 29 matching lines @@
   struct timeval tv;
   if (!gettimeofday(&tv, NULL))
     process_start_time = timeval_to_ms(&tv);
   else
     process_start_time = 0;
 }
 
 bool IsCrashReporterEnabled() {
   return is_crash_reporter_enabled;
 }