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 717877410e36859f4c56328a7b64c1d67c30e94b..14f965ce64b93c67a489780faca51aeb7d3ef481 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1292,12 +1292,12 @@ 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() {
@@ -2086,11 +2086,7 @@ void RenderProcessHostImpl::OnProcessLaunched() {
     return;
 
   if (child_process_launcher_) {
-    if (!child_process_launcher_->GetHandle()) {
-      OnChannelError();
-      return;
-    }
-
+    DCHECK(child_process_launcher_->GetProcess().IsValid());
     SetBackgrounded(backgrounded_);
   }