Don't pass a string16 to %s.

win8/delegate_execute/delegate_execute.cc

 // Copyright (c) 2012 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.
 
 #include "build/intsafe_workaround.h"
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <atlctl.h>
 #include <initguid.h>
@@ skipping 75 matching lines @@
   base::win::ScopedComPtr<IUnknown> instance_;
   DWORD registration_token_;
 };
 
 DelegateExecuteModule _AtlModule;
 
 using delegate_execute::DelegateExecuteOperation;
 using base::win::ScopedHandle;
 
 int RelaunchChrome(const DelegateExecuteOperation& operation) {
-  AtlTrace("Relaunching [%ls] with flags [%s]\n",
-           operation.mutex().c_str(), operation.relaunch_flags());
+  AtlTrace("Relaunching [%ls] with flags [%ls]\n",
+           operation.mutex().c_str(), operation.relaunch_flags().c_str());
   ScopedHandle mutex(OpenMutexW(SYNCHRONIZE, FALSE, operation.mutex().c_str()));
   if (mutex.IsValid()) {
     const int kWaitSeconds = 5;
     DWORD result = ::WaitForSingleObject(mutex, kWaitSeconds * 1000);
     if (result == WAIT_ABANDONED) {
       // This is the normal case. Chrome exits and windows marks the mutex as
       // abandoned.
     } else if (result == WAIT_OBJECT_0) {
       // This is unexpected. Check if somebody is not closing the mutex on
       // RelaunchChromehelper, the mutex should not be closed.
@@ skipping 48 matching lines @@
       case DelegateExecuteOperation::RELAUNCH_CHROME:
         ret_code = RelaunchChrome(operation);
         break;
       default:
         NOTREACHED();
     }
   }
   AtlTrace("delegate_execute exit, code = %d\n", ret_code);
   return ret_code;
 }