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

rlz/test/rlz_unittest_main.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.
 //
 // Main entry point for all unit tests.
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "rlz/lib/rlz_lib.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_POSIX)
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "rlz/lib/rlz_value_store.h"
 #endif
 
 int main(int argc, char **argv) {
   base::AtExitManager at_exit;
-  CommandLine::Init(argc, argv);
+  base::CommandLine::Init(argc, argv);
 
   testing::InitGoogleMock(&argc, argv);
   testing::InitGoogleTest(&argc, argv);
 
   int ret = RUN_ALL_TESTS();
   if (ret == 0) {
     // Now re-run all the tests using a supplementary brand code.  This brand
     // code will remain in effect for the lifetime of the branding object.
 #if defined(OS_POSIX)
     // Set a temporary directory for RLZ here, because SupplementaryBranding
     // creates and owns RlzValueStore object for its lifetime.
     base::ScopedTempDir temp_dir;
     if (temp_dir.CreateUniqueTempDir())
       rlz_lib::testing::SetRlzStoreDirectory(temp_dir.path());
 #endif
     rlz_lib::SupplementaryBranding branding("TEST");
     ret = RUN_ALL_TESTS();
   }
 
   return ret;
 }