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..b9a44b14d8a3e0228714945a143c3e10b6e7f0b3 100644
--- a/third_party/tcmalloc/chromium/src/tcmalloc.cc
+++ b/third_party/tcmalloc/chromium/src/tcmalloc.cc
@@ -1719,6 +1719,19 @@ extern "C" PERFTOOLS_DLL_DECL size_t tc_malloc_size(void* ptr) __THROW {
   return MallocExtension::instance()->GetAllocatedSize(ptr);
 }
 
+// Define the strong symbol that overrides tc_malloc_skip_new_handler_weak
+// in chromium.
+#if defined(OS_LINUX)
+extern "C" __attribute__((alias ("tc_malloc_skip_new_handler")))
+void* tc_malloc_skip_new_handler_weak(size_t size);
+
+extern "C" void* tc_malloc_skip_new_handler(size_t size) {
+  void* result = do_malloc(size);
+  MallocHook::InvokeNewHook(result, size);
+  return result;
+}
+#endif
+
 #endif  // TCMALLOC_USING_DEBUGALLOCATION
 
 // --- Validation implementation with an extra mark ----------------------------