Disable gcc 4.4 warnings about hash_map and hash_set being

base/hash_tables.h

 // Copyright (c) 2006-2008 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.
 //
 
 //
 // Deal with the differences between Microsoft and GNU implemenations
 // of hash_map. Allows all platforms to use |base::hash_map| and
 // |base::hash_set|.
 //  eg:
 //   base::hash_map<int> my_map;
 //   base::hash_set<int> my_set;
 //
 
 #ifndef BASE_HASH_TABLES_H__
 #define BASE_HASH_TABLES_H__
 
 #include "build/build_config.h"
 
 #if defined(COMPILER_MSVC)
 #include <hash_map>
 #include <hash_set>
 namespace base {
 using stdext::hash_map;
 using stdext::hash_set;
 }
 #elif defined(COMPILER_GCC)
+// This is a hack to disable the gcc 4.4 warning about hash_map and hash_set
+// being deprecated.  We can get rid of this when we upgrade to VS2008 and we
+// can use <tr1/unordered_map> and <tr1/unordered_set>.
+#ifdef __DEPRECATED
+#define CHROME_OLD__DEPRECATED __DEPRECATED
+#undef __DEPRECATED
+#endif
+
 #include <ext/hash_map>
 #include <ext/hash_set>
+
+#ifdef CHROME_OLD__DEPRECATED
+#define __DEPRECATED CHROME_OLD__DEPRECATED
+#undef CHROME_OLD__DEPRECATED
+#endif
+
 #include <tr1/functional>
 namespace base {
 using __gnu_cxx::hash_map;
 using __gnu_cxx::hash_set;
 }
 
 // Implement string hash functions so that strings of various flavors can
 // be used as keys in STL maps and sets.
 namespace __gnu_cxx {
 
@@ skipping 44 matching lines @@
   size_t operator()(long long i) const {
     return std::tr1::hash<long>()((long) i);
   }
 };
 
 }
 
 #endif
 
 #endif  // BASE_HASH_TABLES_H__