Enforce handle ownership in base::Process

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index a5e9dde5974c8f13d19ec19c1e750d62fc05f912..ba098ddaae84ad25569730acae126a2ea6920a57 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1280,12 +1280,12 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
 
 base::ProcessHandle RenderProcessHostImpl::GetHandle() const {
   if (run_renderer_in_process())
-    return base::Process::Current().handle();
+    return base::GetCurrentProcessHandle();
 
   if (!child_process_launcher_.get() || child_process_launcher_->IsStarting())
     return base::kNullProcessHandle;
 
-  return child_process_launcher_->GetHandle();
+  return child_process_launcher_->GetProcess().Handle();
 }
 
 bool RenderProcessHostImpl::FastShutdownIfPossible() {
@@ -2073,11 +2073,7 @@ void RenderProcessHostImpl::OnProcessLaunched() {
     return;
 
   if (child_process_launcher_) {
-    if (!child_process_launcher_->GetHandle()) {
-      OnChannelError();
-      return;
-    }
-
+    DCHECK(child_process_launcher_->GetProcess().IsValid());
     SetBackgrounded(backgrounded_);
   }