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

chrome/app_shim/win/app_shim_main.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 <windows.h>
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 29 matching lines @@
 //
 // The -- is required if switches are to be passed to Chrome; any switches
 // before the -- will be interpreted by app_shim_win, and not passed to Chrome.
 //
 // If --chrome-sxs is specified, looks for the SxS (Canary) build of Chrome.
 // This will always fail for Chromium.
 int WINAPI wWinMain(HINSTANCE instance,
                     HINSTANCE prev_instance,
                     wchar_t* /*command_line*/,
                     int show_command) {
-  CommandLine::Init(0, nullptr);
+  base::CommandLine::Init(0, nullptr);
 
   // Log to stderr. Otherwise it will log to a file by default.
   logging::LoggingSettings logging_settings;
   logging_settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
   logging::InitLogging(logging_settings);
 
   // Get the command-line for the Chrome binary.
   // --chrome-sxs on the command line means we should run the canary binary.
   bool is_canary =
       base::CommandLine::ForCurrentProcess()->HasSwitch(kChromeSxS);
   base::FilePath chrome_path = GetChromeExePath(is_canary);
   if (chrome_path.empty()) {
     LOG(ERROR) << "Could not find chrome.exe path in the registry.";
     return kNoProgram;
   }
-  CommandLine command_line(chrome_path);
+  base::CommandLine command_line(chrome_path);
 
   // Get the command-line arguments for the subprocess, consisting of the
   // arguments (but not switches) to this binary. This gets everything after the
   // "--".
-  for (const auto& arg : CommandLine::ForCurrentProcess()->GetArgs())
+  for (const auto& arg : base::CommandLine::ForCurrentProcess()->GetArgs())
     command_line.AppendArgNative(arg);
 
   if (!base::LaunchProcess(command_line, base::LaunchOptions()).IsValid()) {
     LOG(ERROR) << "Could not run chrome.exe.";
     return kLaunchFailure;
   }
 
   return kOK;
 }