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

third_party/tcmalloc/chromium/src/tests/malloc_extension_c_test.c

Index: third_party/tcmalloc/chromium/src/tests/malloc_extension_c_test.c
diff --git a/third_party/tcmalloc/chromium/src/tests/malloc_extension_c_test.c b/third_party/tcmalloc/chromium/src/tests/malloc_extension_c_test.c
index e384b764b53d1684213b8891e5eba01ad39d617c..af0e0c165943aafe903551a2a415c4ab2fb0b4e1 100644
--- a/third_party/tcmalloc/chromium/src/tests/malloc_extension_c_test.c
+++ b/third_party/tcmalloc/chromium/src/tests/malloc_extension_c_test.c
@@ -40,8 +40,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>   /* for size_t */
-#include <google/malloc_extension_c.h>
-#include <google/malloc_hook_c.h>
+#include <gperftools/malloc_extension_c.h>
+#include <gperftools/malloc_hook_c.h>
 
 #define FAIL(msg) do {                          \
   fprintf(stderr, "FATAL ERROR: %s\n", msg);    \
@@ -126,6 +126,14 @@ void TestMallocExtension(void) {
   if (MallocExtension_GetAllocatedSize(x) < 10) {
     FAIL("GetEstimatedAllocatedSize returned a bad value (too small)");
   }
+  if (MallocExtension_GetOwnership(x) != MallocExtension_kOwned) {
+    FAIL("DidAllocatePtr returned a bad value (kNotOwned)");
+  }
+  /* TODO(csilvers): this relies on undocumented behavior that
+     GetOwnership works on stack-allocated variables.  Use a better test. */
+  if (MallocExtension_GetOwnership(hist) != MallocExtension_kNotOwned) {
+    FAIL("DidAllocatePtr returned a bad value (kOwned)");
+  }
 
   free(x);
 }