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

content/browser/browser_child_process_host.cc

Index: content/browser/browser_child_process_host.cc
diff --git a/content/browser/browser_child_process_host.cc b/content/browser/browser_child_process_host.cc
index 628681909e01aaef664340a2acfc8ef094cb9866..25b5a216da4232668d0e4f222712331b681d5ead 100644
--- a/content/browser/browser_child_process_host.cc
+++ b/content/browser/browser_child_process_host.cc
@@ -206,12 +206,13 @@ void BrowserChildProcessHost::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(&BrowserChildProcessHost::OnChildDisconnected,
                      task_factory_.GetWeakPtr()),
-          kExitCodeWaitMs);
+          kExitCodeWait);
 #endif
       return;
     }