Revert 126020 - Experiment for updating the tcmalloc chromium branch to r144 (gperftools 2.0).

third_party/tcmalloc/chromium/src/libc_override_gcc_and_weak.h

Index: third_party/tcmalloc/chromium/src/libc_override_gcc_and_weak.h
===================================================================
--- third_party/tcmalloc/chromium/src/libc_override_gcc_and_weak.h	(revision 126022)
+++ third_party/tcmalloc/chromium/src/libc_override_gcc_and_weak.h	(working copy)
@@ -1,99 +0,0 @@
-// Copyright (c) 2011, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// ---
-// Author: Craig Silverstein <opensource@google.com>
-//
-// Used to override malloc routines on systems that define the
-// memory allocation routines to be weak symbols in their libc
-// (almost all unix-based systems are like this), on gcc, which
-// suppports the 'alias' attribute.
-
-#ifndef TCMALLOC_LIBC_OVERRIDE_GCC_AND_WEAK_INL_H_
-#define TCMALLOC_LIBC_OVERRIDE_GCC_AND_WEAK_INL_H_
-
-#ifdef HAVE_SYS_CDEFS_H
-#include <sys/cdefs.h>    // for __THROW
-#endif
-#include <gperftools/tcmalloc.h>
-
-#ifndef __THROW    // I guess we're not on a glibc-like system
-# define __THROW   // __THROW is just an optimization, so ok to make it ""
-#endif
-
-#ifndef __GNUC__
-# error libc_override_gcc_and_weak.h is for gcc distributions only.
-#endif
-
-#define ALIAS(tc_fn)   __attribute__ ((alias (#tc_fn)))
-
-void* operator new(size_t size) throw (std::bad_alloc)
-    ALIAS(tc_new);
-void operator delete(void* p) __THROW
-    ALIAS(tc_delete);
-void* operator new[](size_t size) throw (std::bad_alloc)
-    ALIAS(tc_newarray);
-void operator delete[](void* p) __THROW
-    ALIAS(tc_deletearray);
-void* operator new(size_t size, const std::nothrow_t& nt) __THROW
-    ALIAS(tc_new_nothrow);
-void* operator new[](size_t size, const std::nothrow_t& nt) __THROW
-    ALIAS(tc_newarray_nothrow);
-void operator delete(void* p, const std::nothrow_t& nt) __THROW
-    ALIAS(tc_delete_nothrow);
-void operator delete[](void* p, const std::nothrow_t& nt) __THROW
-    ALIAS(tc_deletearray_nothrow);
-
-extern "C" {
-  void* malloc(size_t size) __THROW               ALIAS(tc_malloc);
-  void free(void* ptr) __THROW                    ALIAS(tc_free);
-  void* realloc(void* ptr, size_t size) __THROW   ALIAS(tc_realloc);
-  void* calloc(size_t n, size_t size) __THROW     ALIAS(tc_calloc);
-  void cfree(void* ptr) __THROW                   ALIAS(tc_cfree);
-  void* memalign(size_t align, size_t s) __THROW  ALIAS(tc_memalign);
-  void* valloc(size_t size) __THROW               ALIAS(tc_valloc);
-  void* pvalloc(size_t size) __THROW              ALIAS(tc_pvalloc);
-  int posix_memalign(void** r, size_t a, size_t s) __THROW
-      ALIAS(tc_posix_memalign);
-  void malloc_stats(void) __THROW                 ALIAS(tc_malloc_stats);
-  int mallopt(int cmd, int value) __THROW         ALIAS(tc_mallopt);
-#ifdef HAVE_STRUCT_MALLINFO
-  struct mallinfo mallinfo(void) __THROW          ALIAS(tc_mallinfo);
-#endif
-  size_t malloc_size(void* p) __THROW             ALIAS(tc_malloc_size);
-  size_t malloc_usable_size(void* p) __THROW      ALIAS(tc_malloc_size);
-}   // extern "C"
-
-#undef ALIAS
-
-// No need to do anything at tcmalloc-registration time: we do it all
-// via overriding weak symbols (at link time).
-static void ReplaceSystemAlloc() { }
-
-#endif  // TCMALLOC_LIBC_OVERRIDE_GCC_AND_WEAK_INL_H_