Remove base/port.h includes that are not necessary anymore.

base/basictypes.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.
 
 // This file contains definitions of our old basic integral types
 // ((u)int{8,16,32,64}) and further includes. I recommend that you use the C99
 // standard types instead, and include <stdint.h>/<stddef.h>/etc. as needed.
 // Note that the macros and macro-like constructs that were formerly defined in
 // this file are now available separately in base/macros.h.
 
 #ifndef BASE_BASICTYPES_H_
 #define BASE_BASICTYPES_H_
 
 #include <limits.h>  // So we can set the bounds of our types.
 #include <stddef.h>  // For size_t.
 #include <stdint.h>  // For intptr_t.
 
 #include "base/macros.h"
-#include "base/port.h"  // Types that only need exist on certain systems.

[Lei Zhang, 2015/06/11 19:32:35]

I think this pulled in build/build_config.h, which many files got for free by
including basictypes.h. By removing this, you get lots of red bots.

[tfarina, 2015/06/11 20:30:06]

Done.

 
 // DEPRECATED: Please use (u)int{8,16,32,64}_t instead (and include <stdint.h>).
 typedef int8_t int8;
 typedef uint8_t uint8;
 typedef int16_t int16;
 typedef uint16_t uint16;
 typedef int32_t int32;
 typedef uint32_t uint32;
 typedef int64_t int64;
 typedef uint64_t uint64;
 
 // DEPRECATED: Please use std::numeric_limits (from <limits>) instead.
 const uint8  kuint8max  =  0xFF;
 const uint16 kuint16max =  0xFFFF;
 const uint32 kuint32max =  0xFFFFFFFF;
 const uint64 kuint64max =  0xFFFFFFFFFFFFFFFFULL;
 const  int8  kint8min   = -0x7F - 1;
 const  int8  kint8max   =  0x7F;
 const  int16 kint16min  = -0x7FFF - 1;
 const  int16 kint16max  =  0x7FFF;
 const  int32 kint32min  = -0x7FFFFFFF - 1;
 const  int32 kint32max  =  0x7FFFFFFF;
 const  int64 kint64min  = -0x7FFFFFFFFFFFFFFFLL - 1;
 const  int64 kint64max  =  0x7FFFFFFFFFFFFFFFLL;
 
 #endif  // BASE_BASICTYPES_H_