Remove RenderThreadImpl::Shutdown

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 4170eb015a85be8cacdf8eb6db9dfa51d67abd81..872ee9c53e2f245008e94ce32cfc49f74f40549e 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -862,6 +862,8 @@ RenderThreadImpl::~RenderThreadImpl() {
 }
 
 void RenderThreadImpl::Shutdown() {
+  exit(0);

[Torne, 2016/09/13 15:08:08]

One more comment while I think of it: single-process mode aside, you almost
certainly want _exit() here, not exit() (which will trigger atexit processing).

+
   FOR_EACH_OBSERVER(
       RenderThreadObserver, observers_, OnRenderProcessShutdown());