Use persistent memory for receiving metrics from sub-processes.

content/browser/utility_process_host_impl.cc

Index: content/browser/utility_process_host_impl.cc
diff --git a/content/browser/utility_process_host_impl.cc b/content/browser/utility_process_host_impl.cc
index 3d74b30f381b588d625f55c2db59de4144cc457e..d311da6d03e5dd080222b50c62ee6822d7d8e559 100644
--- a/content/browser/utility_process_host_impl.cc
+++ b/content/browser/utility_process_host_impl.cc
@@ -168,7 +168,7 @@ UtilityProcessHostImpl::UtilityProcessHostImpl(
       child_token_(mojo::edk::GenerateRandomToken()),
       weak_ptr_factory_(this) {
   process_.reset(new BrowserChildProcessHostImpl(PROCESS_TYPE_UTILITY, this,
-                                                 child_token_));
+                                                 child_token_, 0, nullptr));
   mojo_child_connection_.reset(new MojoChildConnection(
       kUtilityMojoApplicationName,
       base::StringPrintf("%d_0", process_->GetData().id), child_token_,