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

tools/ipc_fuzzer/mutate/generate.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 <stdlib.h>
 
 #include <algorithm>
 #include <iostream>
 #include <ostream>
 #include <set>
@@ skipping 1267 matching lines @@
 #undef IPC_MESSAGE_DECL
 #define IPC_MESSAGE_DECL(kind, type, name, in, out, ilist, olist) \
   function_vector->push_back(generator_for_##name);
 #include "tools/ipc_fuzzer/message_lib/all_messages.h"
 }
 
 static const char kCountSwitch[] = "count";
 static const char kHelpSwitch[] = "help";
 
 int GenerateMain(int argc, char** argv) {
-  CommandLine::Init(argc, argv);
-  CommandLine* cmd = CommandLine::ForCurrentProcess();
-  CommandLine::StringVector args = cmd->GetArgs();
+  base::CommandLine::Init(argc, argv);
+  base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
+  base::CommandLine::StringVector args = cmd->GetArgs();
 
   if (args.size() != 1 || cmd->HasSwitch(kHelpSwitch)) {
     std::cerr << "Usage: ipc_fuzzer_generate [--help] [--count=n] outfile\n";
     return EXIT_FAILURE;
   }
   std::string output_file_name = args[0];
 
   int message_count = 1000;
   if (cmd->HasSwitch(kCountSwitch))
     message_count = atoi(cmd->GetSwitchValueASCII(kCountSwitch).c_str());
@@ skipping 34 matching lines @@
     return EXIT_FAILURE;
 
   return EXIT_SUCCESS;
 }
 
 }  // namespace ipc_fuzzer
 
 int main(int argc, char** argv) {
   return ipc_fuzzer::GenerateMain(argc, argv);
 }