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

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

 /* 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 33 matching lines @@
 // "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_STRING "gperftools @TC_VERSION_MAJOR@.@TC_VERSION_MINOR@@TC_VERSION_PATCH@"
 
 #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 49 matching lines @@
   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_