Convert use of int ms to TimeDelta in files owned by brettw.

content/browser/browser_child_process_host_impl.cc

Index: content/browser/browser_child_process_host_impl.cc
diff --git a/content/browser/browser_child_process_host_impl.cc b/content/browser/browser_child_process_host_impl.cc
index 54f8fcca35e74b950db880b29273448e5d47a4f1..26d9463065a2358eb8a1aa18476b65f4163ce1c0 100644
--- a/content/browser/browser_child_process_host_impl.cc
+++ b/content/browser/browser_child_process_host_impl.cc
@@ -258,12 +258,13 @@ void BrowserChildProcessHostImpl::OnChildDisconnected() {
       // disconnecting the channel so that the exit code and termination status
       // become available. This is best effort -- if the process doesn't die
       // within the time limit, this object gets destroyed.
-      const int kExitCodeWaitMs = 250;
+      const base::TimeDelta kExitCodeWait =
+          base::TimeDelta::FromMilliseconds(250);
       MessageLoop::current()->PostDelayedTask(
           FROM_HERE,
           base::Bind(&BrowserChildProcessHostImpl::OnChildDisconnected,
                      task_factory_.GetWeakPtr()),
-          kExitCodeWaitMs);
+          kExitCodeWait);
 #endif
       return;
     }