Switch to standard integer types in gin/.

gin/per_context_data.h

 // Copyright 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 GIN_PER_CONTEXT_DATA_H_
 #define GIN_PER_CONTEXT_DATA_H_
 
-#include "base/basictypes.h"
+#include "base/macros.h"
 #include "base/supports_user_data.h"
 #include "gin/gin_export.h"
 #include "v8/include/v8.h"
 
 namespace gin {
 
 class ContextHolder;
 class Runner;
 
 // There is one instance of PerContextData per v8::Context managed by Gin. This
@@ skipping 20 matching lines @@
  private:
   ContextHolder* context_holder_;
   Runner* runner_;
 
   DISALLOW_COPY_AND_ASSIGN(PerContextData);
 };
 
 }  // namespace gin
 
 #endif  // GIN_PER_CONTEXT_DATA_H_