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

chrome_frame/chrome_tab.cc

Index: chrome_frame/chrome_tab.cc
diff --git a/chrome_frame/chrome_tab.cc b/chrome_frame/chrome_tab.cc
index a08f2b3073f56c4ad8dd35e444c1f419a24f21e9..f3f4bd18e45edb56dc07ba18ebef36c0cbcfae09 100644
--- a/chrome_frame/chrome_tab.cc
+++ b/chrome_frame/chrome_tab.cc
@@ -212,7 +212,7 @@ extern "C" BOOL WINAPI DllMain(HINSTANCE instance,
     logging::InitLogging(NULL, logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG,
                         logging::LOCK_LOG_FILE, logging::DELETE_OLD_LOG_FILE);
 
-    DllRedirector* dll_redirector = Singleton<DllRedirector>::get();
+    DllRedirector* dll_redirector = DllRedirector::GetInstance();
     DCHECK(dll_redirector);
 
     if (!dll_redirector->RegisterAsFirstCFModule()) {
@@ -227,7 +227,7 @@ extern "C" BOOL WINAPI DllMain(HINSTANCE instance,
     // Enable ETW logging.
     logging::LogEventProvider::Initialize(kChromeFrameProvider);
   } else if (reason == DLL_PROCESS_DETACH) {
-    DllRedirector* dll_redirector = Singleton<DllRedirector>::get();
+    DllRedirector* dll_redirector = DllRedirector::GetInstance();
     DCHECK(dll_redirector);
 
     dll_redirector->UnregisterAsFirstCFModule();