Fix a race in BrowserRenderProcessHost::FastShutdownIfPossible

content/browser/renderer_host/browser_render_process_host.cc

Index: content/browser/renderer_host/browser_render_process_host.cc
===================================================================
--- content/browser/renderer_host/browser_render_process_host.cc	(revision 100701)
+++ content/browser/renderer_host/browser_render_process_host.cc	(working copy)
@@ -653,6 +653,7 @@
     return false;
 
   child_process_launcher_.reset();
+  ProcessDied();
   fast_shutdown_started_ = true;
   return true;
 }
@@ -802,6 +803,10 @@
 }
 
 void BrowserRenderProcessHost::OnChannelError() {
+  ProcessDied();
+}
+
+void BrowserRenderProcessHost::ProcessDied() {
   // Our child process has died.  If we didn't expect it, it's a crash.
   // In any case, we need to let everyone know it's gone.
   // The OnChannelError notification can fire multiple times due to nested sync