Remove obsolete typeguards in basictypes.h.

base/basictypes.h

 // Copyright (c) 2011 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 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 <string.h>         // for memcpy
 
 #include "base/port.h"    // Types that only need exist on certain systems
 
 #ifndef COMPILER_MSVC
 // stdint.h is part of C99 but MSVC doesn't have it.
 #include <stdint.h>         // For intptr_t.
 #endif
 
 typedef signed char         schar;
 typedef signed char         int8;
 typedef short               int16;
-// TODO: Remove these type guards.  These are to avoid conflicts with
-// obsolete/protypes.h in the Gecko SDK.
-#ifndef _INT32
-#define _INT32
 typedef int                 int32;
-#endif
 
 // The NSPR system headers define 64-bit as |long| when possible, except on
 // Mac OS X.  In order to not have typedef mismatches, we do the same on LP64.
 //
 // On Mac OS X, |long long| is used for 64-bit types for compatibility with
 // <inttypes.h> format macros even in the LP64 model.
 #if defined(__LP64__) && !defined(OS_MACOSX) && !defined(OS_OPENBSD)
 typedef long                int64;
 #else
 typedef long long           int64;
 #endif
 
 // NOTE: unsigned types are DANGEROUS in loops and other arithmetical
 // places.  Use the signed types unless your variable represents a bit
 // pattern (eg a hash value) or you really need the extra bit.  Do NOT
 // use 'unsigned' to express "this value should always be positive";
 // use assertions for this.
 
 typedef unsigned char      uint8;
 typedef unsigned short     uint16;
-// TODO: Remove these type guards.  These are to avoid conflicts with
-// obsolete/protypes.h in the Gecko SDK.
-#ifndef _UINT32
-#define _UINT32
 typedef unsigned int       uint32;
-#endif
 
 // See the comment above about NSPR and 64-bit.
 #if defined(__LP64__) && !defined(OS_MACOSX) && !defined(OS_OPENBSD)
 typedef unsigned long uint64;
 #else
 typedef unsigned long long uint64;
 #endif
 
 // A type to represent a Unicode code-point value. As of Unicode 4.0,
 // such values require up to 21 bits.
@@ skipping 288 matching lines @@
 
 // Use these to declare and define a static local variable (static T;) so that
 // it is leaked so that its destructors are not called at exit. If you need
 // thread-safe initialization, use base/lazy_instance.h instead.
 #define CR_DEFINE_STATIC_LOCAL(type, name, arguments) \
   static type& name = *new type arguments
 
 }  // base
 
 #endif  // BASE_BASICTYPES_H_