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

sync/tools/testserver/run_sync_testserver.cc

 // Copyright 2013 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 <stdio.h>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 20 matching lines @@
   }
 
   base::FilePath sync_test_script_path;
   if (!test_server->GetTestScriptPath(sync_test_script_name,
                                       &sync_test_script_path)) {
     LOG(ERROR) << "Error trying to get path for test script "
                << sync_test_script_name;
     return false;
   }
 
-  CommandLine python_command(CommandLine::NO_PROGRAM);
+  base::CommandLine python_command(base::CommandLine::NO_PROGRAM);
   if (!GetPythonCommand(&python_command)) {
     LOG(ERROR) << "Could not get python runtime command.";
     return false;
   }
 
   python_command.AppendArgPath(sync_test_script_path);
   if (!base::LaunchProcess(python_command, base::LaunchOptions()).IsValid()) {
     LOG(ERROR) << "Failed to launch test script " << sync_test_script_name;
     return false;
   }
   return true;
 }
 
 // Gets a port value from the switch with name |switch_name| and writes it to
 // |port|. Returns true if a port was provided and false otherwise.
 static bool GetPortFromSwitch(const std::string& switch_name, uint16* port) {
   DCHECK(port != NULL) << "|port| is NULL";
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   int port_int = 0;
   if (command_line->HasSwitch(switch_name)) {
     std::string port_str = command_line->GetSwitchValueASCII(switch_name);
     if (!base::StringToInt(port_str, &port_int)) {
       return false;
     }
   }
   *port = static_cast<uint16>(port_int);
   return true;
 }
 
 int main(int argc, const char* argv[]) {
   base::AtExitManager at_exit_manager;
   base::MessageLoopForIO message_loop;
 
   // Process command line
-  CommandLine::Init(argc, argv);
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  base::CommandLine::Init(argc, argv);
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
 
   logging::LoggingSettings settings;
   settings.logging_dest = logging::LOG_TO_ALL;
   settings.log_file = FILE_PATH_LITERAL("sync_testserver.log");
   if (!logging::InitLogging(settings)) {
     printf("Error: could not initialize logging. Exiting.\n");
     return -1;
   }
 
   TestTimeouts::Initialize();
@@ skipping 23 matching lines @@
     printf("Error: failed to start python sync test server. Exiting.\n");
     return -1;
   }
 
   printf("Python sync test server running at %s (type ctrl+c to exit)\n",
          test_server->host_port_pair().ToString().c_str());
 
   message_loop.Run();
   return 0;
 }