run iwyu on base!

base/command_line.cc

 // Copyright (c) 2010 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 <stdbool.h>
+#include <stddef.h>
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "base/basictypes.h"
 #include "base/command_line.h"
-
-#include <algorithm>
-
 #include "base/file_path.h"
-#include "base/file_util.h"
 #include "base/logging.h"
-#include "base/singleton.h"
+#include "base/string_piece.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
-#include "base/sys_string_conversions.h"
-#include "base/utf_string_conversions.h"
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
+#include <shellapi.h>
 #include <windows.h>
-#include <shellapi.h>
 #elif defined(OS_POSIX)
-#include <limits.h>
-#include <stdlib.h>
-#include <unistd.h>
 #endif
 
 CommandLine* CommandLine::current_process_commandline_ = NULL;
 
 // Since we use a lazy match, make sure that longer versions (like L"--")
 // are listed before shorter versions (like L"-") of similar prefixes.
 #if defined(OS_WIN)
 const wchar_t* const kSwitchPrefixes[] = {L"--", L"-", L"/"};
 const wchar_t kSwitchTerminator[] = L"--";
 const wchar_t kSwitchValueSeparator[] = L"=";
@@ skipping 437 matching lines @@
 
 // private
 CommandLine::CommandLine() {
 }
 
 // static
 CommandLine* CommandLine::ForCurrentProcessMutable() {
   DCHECK(current_process_commandline_);
   return current_process_commandline_;
 }