Update from https://crrev.com/328418

base/win/startup_information.h

Index: base/win/startup_information.h
diff --git a/base/win/startup_information.h b/base/win/startup_information.h
index e7e21cb15a08382e1ae1783b3ef8af853243c01e..73d9f3e79b18e4e76688e1e30dc34e9d96486d0c 100644
--- a/base/win/startup_information.h
+++ b/base/win/startup_information.h
@@ -24,6 +24,8 @@ class BASE_EXPORT StartupInformation {
   bool InitializeProcThreadAttributeList(DWORD attribute_count);
 
   // Sets one entry in the initialized attribute list.
+  // |value| needs to live at least as long as the StartupInformation object
+  // this is called on.
   bool UpdateProcThreadAttribute(DWORD_PTR attribute,
                                  void* value,
                                  size_t size);