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

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

 // Copyright (c) 2005, 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 51 matching lines @@
 //
 // NOTE FOR C USERS: If you want to use malloc_hook functionality from
 // a C program, #include malloc_hook_c.h instead of this file.
 
 #ifndef _MALLOC_HOOK_H_
 #define _MALLOC_HOOK_H_
 
 #include <stddef.h>
 #include <sys/types.h>
 extern "C" {
-#include <google/malloc_hook_c.h>  // a C version of the malloc_hook interface
+#include <gperftools/malloc_hook_c.h>  // a C version of the malloc_hook interface
 }
 
 // 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
 #endif
 
+// The C++ methods below call the C version (MallocHook_*), and thus
+// convert between an int and a bool.  Windows complains about this
+// (a "performance warning") which we don't care about, so we suppress.
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable:4800)
+#endif
+
 // Note: malloc_hook_c.h defines MallocHook_*Hook and
 // MallocHook_{Add,Remove}*Hook.  The version of these inside the MallocHook
 // class are defined in terms of the malloc_hook_c version.  See malloc_hook_c.h
 // for details of these types/functions.
 
 class PERFTOOLS_DLL_DECL MallocHook {
  public:
   // The NewHook is invoked whenever an object is allocated.
   // It may be passed NULL if the allocator returned NULL.
   typedef MallocHook_NewHook NewHook;
@@ skipping 241 matching lines @@
   static void InvokeMremapHookSlow(const void* result,
                                    const void* old_addr,
                                    size_t old_size,
                                    size_t new_size,
                                    int flags,
                                    const void* new_addr);
   static void InvokePreSbrkHookSlow(std::ptrdiff_t increment);
   static void InvokeSbrkHookSlow(const void* result, std::ptrdiff_t increment);
 };
 
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+
 #endif /* _MALLOC_HOOK_H_ */