tools/gn: Remove includes of basictypes.h.

tools/gn/builder.h

 // Copyright (c) 2013 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.
 
 #ifndef TOOLS_GN_BUILDER_H_
 #define TOOLS_GN_BUILDER_H_
 
-#include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
+#include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "tools/gn/builder_record.h"
 #include "tools/gn/label.h"
 #include "tools/gn/label_ptr.h"
 #include "tools/gn/unique_vector.h"
 
 class Config;
 class Err;
 class Loader;
 class ParseNode;
@@ skipping 111 matching lines @@
   // Owning pointers.
   typedef base::hash_map<Label, BuilderRecord*> RecordMap;
   RecordMap records_;
 
   ResolvedCallback resolved_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Builder);
 };
 
 #endif  // TOOLS_GN_BUILDER_H_