Merge tcmalloc r111 (perftools v. 1.8) with the chromium/ branch.

third_party/tcmalloc/chromium/src/config_win.h

 /* A manual version of config.h fit for windows machines. */
 
 /* Sometimes we accidentally #include this config.h instead of the one
    in .. -- this is particularly true for msys/mingw, which uses the
    unix config.h but also runs code in the windows directory.
    */
 #ifdef __MINGW32__
 #include "../config.h"
 #define GOOGLE_PERFTOOLS_WINDOWS_CONFIG_H_
 #endif
@@ skipping 202 matching lines @@
 /* prefix where we look for installed files */
 #undef INSTALL_PREFIX
 
 /* Define to 1 if int32_t is equivalent to intptr_t */
 #undef INT32_EQUALS_INTPTR
 
 /* Define to the sub-directory in which libtool stores uninstalled libraries.
    */
 #undef LT_OBJDIR
 
+/* Define to 'volatile' if __malloc_hook is declared volatile */
+#ifdef __MALLOC_HOOK_VOLATILE
+#define MALLOC_HOOK_MAYBE_VOLATILE volatile
+#else
+#define MALLOC_HOOK_MAYBE_VOLATILE
+#endif
+
 /* Define to 1 if your C compiler doesn't accept -c and -o together. */
 #undef NO_MINUS_C_MINUS_O
 
 /* Name of package */
 #undef PACKAGE
 
 /* Define to the address where bug reports for this package should be sent. */
 #undef PACKAGE_BUGREPORT
 
 /* Define to the full name of this package. */
@@ skipping 27 matching lines @@
 
 /* printf format code for printing a size_t and ssize_t */
 #define PRIdS  "Id"
 
 /* printf format code for printing a size_t and ssize_t */
 #define PRIuS  "Iu"
 
 /* printf format code for printing a size_t and ssize_t */
 #define PRIxS  "Ix"
 
+/* Mark the systems where we know it's bad if pthreads runs too
+   early before main (before threads are initialized, presumably).  */
+#undef PTHREADS_CRASHES_IF_RUN_TOO_EARLY
+
 /* Define to necessary symbol if this constant uses a non-standard name on
    your system. */
 #undef PTHREAD_CREATE_JOINABLE
 
 /* Define to 1 if you have the ANSI C header files. */
 #define STDC_HEADERS 1
 
 /* the namespace where STL code like vector<> is defined */
 #define STL_NAMESPACE  std
 
@@ skipping 22 matching lines @@
 # define _WIN32_WINNT 0x0501
 #endif
 
 // We want to make sure not to ever try to #include heap-checker.h
 #define NO_HEAP_CHECK 1
 
 // TODO(csilvers): include windows/port.h in every relevant source file instead?
 #include "windows/port.h"
 
 #endif  /* GOOGLE_PERFTOOLS_WINDOWS_CONFIG_H_ */