Make callers of CommandLine use it via the base:: namespace.

media/cast/test/utility/tap_proxy.cc

 // Copyright 2014 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 <fcntl.h>
 #include <linux/if_tun.h>
 #include <linux/types.h>
 #include <math.h>
 #include <net/if.h>
 #include <netinet/in.h>
@@ skipping 248 matching lines @@
   }
 
   /* this is the special file descriptor that the caller will use to talk
    * with the virtual interface */
   return fd;
 }
 
 
 int main(int argc, char **argv) {
   base::AtExitManager exit_manager;
-  CommandLine::Init(argc, argv);
+  base::CommandLine::Init(argc, argv);
   InitLogging(logging::LoggingSettings());
 
   if (argc < 4) {
     fprintf(stderr, "Usage: tap_proxy tap1 tap2 type\n");
     fprintf(stderr,
             "Where 'type' is one of perfect, good, wifi, bad or evil\n");
     exit(1);
   }
 
   scoped_ptr<media::cast::test::PacketPipe> in_pipe, out_pipe;
@@ skipping 25 matching lines @@
   int fd2 = tun_alloc(argv[2], IFF_TAP);
 
   base::MessageLoopForIO message_loop;
   last_printout = base::TimeTicks::Now();
   media::cast::test::QueueManager qm1(fd1, fd2, in_pipe.Pass());
   media::cast::test::QueueManager qm2(fd2, fd1, out_pipe.Pass());
   CheckByteCounters();
   printf("Press Ctrl-C when done.\n");
   message_loop.Run();
 }