Use StopChildProcess instead of base::KillProcess to kill a renderer process

content/public/test/browser_test_utils.cc

Index: content/public/test/browser_test_utils.cc
diff --git a/content/public/test/browser_test_utils.cc b/content/public/test/browser_test_utils.cc
index b7fd7ba5bc6621268332144bdb245528097cb91b..a1949d3f38c9295b1ad286fb0cc6b66cf524917e 100644
--- a/content/public/test/browser_test_utils.cc
+++ b/content/public/test/browser_test_utils.cc
@@ -299,7 +299,7 @@ void CrashTab(WebContents* web_contents) {
   RenderProcessHost* rph = web_contents->GetRenderProcessHost();
   RenderProcessHostWatcher watcher(
       rph, RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
-  base::KillProcess(rph->GetHandle(), 0, false);
+  rph->Shutdown(0, false);
   watcher.Wait();
 }