run iwyu on base!

base/vlog.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 "base/vlog.h"
+#include <stddef.h>
+#include <string>
+#include <utility>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
+#include "base/string_piece.h"
 #include "base/string_split.h"
+#include "base/vlog.h"
 
 namespace logging {
 
 const int VlogInfo::kDefaultVlogLevel = 0;
 
 struct VlogInfo::VmodulePattern {
   enum MatchTarget { MATCH_MODULE, MATCH_FILE };
 
   explicit VmodulePattern(const std::string& pattern);
 
@@ skipping 147 matching lines @@
     if (MatchVlogPattern(s, p))
       return true;
     s.remove_prefix(1);
   }
 
   // Otherwise, we couldn't find a match.
   return false;
 }
 
 }  // namespace