Make possible to check memory allocations inside chromium

third_party/tcmalloc/chromium/src/tcmalloc.cc

Index: third_party/tcmalloc/chromium/src/tcmalloc.cc
diff --git a/third_party/tcmalloc/chromium/src/tcmalloc.cc b/third_party/tcmalloc/chromium/src/tcmalloc.cc
index 118e40a09fdb44f2036949d4402e387817bf8cc4..e8edac07c7e03438e640e895bd0d74061603ad22 100644
--- a/third_party/tcmalloc/chromium/src/tcmalloc.cc
+++ b/third_party/tcmalloc/chromium/src/tcmalloc.cc
@@ -1721,6 +1721,23 @@ extern "C" PERFTOOLS_DLL_DECL size_t tc_malloc_size(void* ptr) __THROW {
 
 #endif  // TCMALLOC_USING_DEBUGALLOCATION
 
+// Define the strong symbol that overrides tc_malloc_skip_new_handler_weak
+// in chromium.
+#if defined(OS_LINUX)
+extern "C" {
+
+void* tc_malloc_skip_new_handler(size_t size) {
+  void* result = do_malloc(size);
+  MallocHook::InvokeNewHook(result, size);
+  return result;
+}
+
+__attribute__((visibility("default"), alias("tc_malloc_skip_new_handler")))
+void* tc_malloc_skip_new_handler_weak(size_t size);
+
+}
+#endif
+
 // --- Validation implementation with an extra mark ----------------------------
 // We will put a mark at the extreme end of each allocation block.  We make
 // sure that we always allocate enough "extra memory" that we can fit in the