Update the tcmalloc chromium branch to r144 (gperftools 2.0), and merge chromium-specific changes.

third_party/tcmalloc/chromium/src/gperftools/tcmalloc.h

 /* Copyright (c) 2003, 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
@@ skipping 30 matching lines @@
 #endif
 
 // __THROW is defined in glibc systems.  It means, counter-intuitively,
 // "This function will never throw an exception."  It's an optional
 // optimization tool, but we may need to use it to match glibc prototypes.
 #ifndef __THROW    /* I guess we're not on a glibc system */
 # define __THROW   /* __THROW is just an optimization, so ok to make it "" */
 #endif
 
 // Define the version number so folks can check against it
-#define TC_VERSION_MAJOR  @TC_VERSION_MAJOR@
-#define TC_VERSION_MINOR  @TC_VERSION_MINOR@
-#define TC_VERSION_PATCH  "@TC_VERSION_PATCH@"
-#define TC_VERSION_STRING "google-perftools @TC_VERSION_MAJOR@.@TC_VERSION_MINOR@@TC_VERSION_PATCH@"
+#define TC_VERSION_MAJOR  2
+#define TC_VERSION_MINOR  0
+#define TC_VERSION_PATCH  ""
+#define TC_VERSION_STRING "gperftools 2.0"
 
 #include <stdlib.h>   // for struct mallinfo, if it's defined
 
 // Annoying stuff for windows -- makes sure clients can import these functions
 #ifndef PERFTOOLS_DLL_DECL
 # ifdef _WIN32
 #   define PERFTOOLS_DLL_DECL  __declspec(dllimport)
 # else
 #   define PERFTOOLS_DLL_DECL
 # endif
@@ skipping 20 matching lines @@
 
   PERFTOOLS_DLL_DECL void* tc_memalign(size_t __alignment,
                                        size_t __size) __THROW;
   PERFTOOLS_DLL_DECL int tc_posix_memalign(void** ptr,
                                            size_t align, size_t size) __THROW;
   PERFTOOLS_DLL_DECL void* tc_valloc(size_t __size) __THROW;
   PERFTOOLS_DLL_DECL void* tc_pvalloc(size_t __size) __THROW;
 
   PERFTOOLS_DLL_DECL void tc_malloc_stats(void) __THROW;
   PERFTOOLS_DLL_DECL int tc_mallopt(int cmd, int value) __THROW;
-#if @ac_cv_have_struct_mallinfo@
+#ifdef HAVE_STRUCT_MALLINFO
   PERFTOOLS_DLL_DECL struct mallinfo tc_mallinfo(void) __THROW;
 #endif
 
   // This is an alias for MallocExtension::instance()->GetAllocatedSize().
   // It is equivalent to
   //    OS X: malloc_size()
   //    glibc: malloc_usable_size()
   //    Windows: _msize()
   PERFTOOLS_DLL_DECL size_t tc_malloc_size(void* ptr) __THROW;
 
 #ifdef __cplusplus
   PERFTOOLS_DLL_DECL int tc_set_new_mode(int flag) __THROW;
   PERFTOOLS_DLL_DECL void* tc_new(size_t size);
   PERFTOOLS_DLL_DECL void* tc_new_nothrow(size_t size,
                                           const std::nothrow_t&) __THROW;
   PERFTOOLS_DLL_DECL void tc_delete(void* p) __THROW;
   PERFTOOLS_DLL_DECL void tc_delete_nothrow(void* p,
                                             const std::nothrow_t&) __THROW;
   PERFTOOLS_DLL_DECL void* tc_newarray(size_t size);
   PERFTOOLS_DLL_DECL void* tc_newarray_nothrow(size_t size,
                                                const std::nothrow_t&) __THROW;
   PERFTOOLS_DLL_DECL void tc_deletearray(void* p) __THROW;
   PERFTOOLS_DLL_DECL void tc_deletearray_nothrow(void* p,
                                                  const std::nothrow_t&) __THROW;
 }
 #endif
 
 #endif  // #ifndef TCMALLOC_TCMALLOC_H_