FrameSinkIds use to WindowIds in window server, Process ID/Route ID in renderer

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 823b386c0639f2137e3e589722feeceec2115ac1..b28c9998996e14147e54b98a4fa61c4f37bcc0d2 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -454,9 +454,11 @@ RenderWidgetHostViewAura::RenderWidgetHostViewAura(RenderWidgetHost* host,
       last_active_widget_process_id_(ChildProcessHost::kInvalidUniqueID),
       last_active_widget_routing_id_(MSG_ROUTING_NONE),
       weak_ptr_factory_(this) {
-  ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
   delegated_frame_host_ = base::MakeUnique<DelegatedFrameHost>(
-      factory->GetContextFactory()->AllocateFrameSinkId(), this);
+      cc::FrameSinkId(
+        base::checked_cast<uint32_t>(host_->GetProcess()->GetID()),
+        base::checked_cast<uint32_t>(host_->GetRoutingID())),
+      this);
 
   if (!is_guest_view_hack_)
     host_->SetView(this);