Fix clang warning in test_process_killer_win.cc re taking address of temporary.

BUG=219360
TEST=NONE


Review URL: https://chromiumcodereview.appspot.com/12926002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@189008 0039d316-1c4b-4281-b951-d872f2087c98

base/test/test_process_killer_win.cc

@@ -159,7 +159,8 @@ namespace base {
 
 bool KillAllNamedProcessesWithArgument(const string16& process_name,
                                        const string16& argument) {
-  return base::KillProcesses(process_name, 0, &ArgumentFilter(argument));
+  ArgumentFilter argument_filter(argument);
+  return base::KillProcesses(process_name, 0, &argument_filter);
 }
 
 }  // namespace base