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

components/wifi/wifi_test.cc

Index: components/wifi/wifi_test.cc
diff --git a/components/wifi/wifi_test.cc b/components/wifi/wifi_test.cc
index 84c4f0a9d2f9bbb1480eba570c2218d249c867cc..2fa07c3a38eb983e00ec33c426cc7832d9bb4c36 100644
--- a/components/wifi/wifi_test.cc
+++ b/components/wifi/wifi_test.cc
@@ -105,8 +105,9 @@ WiFiTest::Result WiFiTest::Main(int argc, const char* argv[]) {
 }
 
 bool WiFiTest::ParseCommandLine(int argc, const char* argv[]) {
-  CommandLine::Init(argc, argv);
-  const CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
+  base::CommandLine::Init(argc, argv);
+  const base::CommandLine& parsed_command_line =
+      *base::CommandLine::ForCurrentProcess();
   std::string network_guid =
       parsed_command_line.GetSwitchValueASCII("network_guid");
   std::string frequency =
@@ -237,7 +238,7 @@ bool WiFiTest::ParseCommandLine(int argc, const char* argv[]) {
 }  // namespace wifi
 
 int main(int argc, const char* argv[]) {
-  CommandLine::Init(argc, argv);
+  base::CommandLine::Init(argc, argv);
   logging::LoggingSettings settings;
   settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
   logging::InitLogging(settings);