Disable support for swapped out RenderFrame(Host) on desktop.

content/browser/frame_host/render_frame_proxy_host.cc

Index: content/browser/frame_host/render_frame_proxy_host.cc
diff --git a/content/browser/frame_host/render_frame_proxy_host.cc b/content/browser/frame_host/render_frame_proxy_host.cc
index f4b265e087f72dd2bcc194abe8af04af484b37d1..dfeb612f6ff202f7308343172563b9413487fca6 100644
--- a/content/browser/frame_host/render_frame_proxy_host.cc
+++ b/content/browser/frame_host/render_frame_proxy_host.cc
@@ -52,6 +52,11 @@ RenderFrameProxyHost::RenderFrameProxyHost(SiteInstance* site_instance,
       frame_tree_node_(frame_tree_node),
       render_frame_proxy_created_(false),
       render_view_host_(render_view_host) {
+  LOG(ERROR) << "RFPH[" << this << "]::RFPH: "
+    << " routing_id:" << routing_id_
+    << " site:" << site_instance->GetId() << "," << site_instance->GetSiteURL()
+    << " rvh:" << render_view_host_;
+
   GetProcess()->AddRoute(routing_id_, this);
   CHECK(g_routing_id_frame_proxy_map.Get().insert(
       std::make_pair(
@@ -90,6 +95,7 @@ RenderFrameProxyHost::~RenderFrameProxyHost() {
   GetProcess()->RemoveRoute(routing_id_);
   g_routing_id_frame_proxy_map.Get().erase(
       RenderFrameProxyHostID(GetProcess()->GetID(), routing_id_));
+  LOG(ERROR) << "RFPH[" << this << "]::~RFPH: ";
 }
 
 void RenderFrameProxyHost::SetChildRWHView(RenderWidgetHostView* view) {
@@ -181,6 +187,7 @@ bool RenderFrameProxyHost::InitRenderFrameProxy() {
 }
 
 void RenderFrameProxyHost::DisownOpener() {
+  LOG(ERROR) << "RFPH[" << this << "]::DisownOpener";
   Send(new FrameMsg_DisownOpener(GetRoutingID()));
 }