✀ Remove postMessage plumbing for swappedout:// ✀

content/renderer/render_frame_proxy.cc

Index: content/renderer/render_frame_proxy.cc
diff --git a/content/renderer/render_frame_proxy.cc b/content/renderer/render_frame_proxy.cc
index 0b550b90874b74b6cd89dccea9a1fd1ca36a5890..25b34ed76d641b73af23182232072feb974508f4 100644
--- a/content/renderer/render_frame_proxy.cc
+++ b/content/renderer/render_frame_proxy.cc
@@ -166,15 +166,6 @@ RenderFrameProxy::RenderFrameProxy(int routing_id, int frame_routing_id)
 }
 
 RenderFrameProxy::~RenderFrameProxy() {
-  // TODO(nasko): Set the render_frame_proxy to null to avoid a double deletion
-  // when detaching the main frame. This can be removed once RenderFrameImpl and
-  // RenderFrameProxy have been completely decoupled. See
-  // https://crbug.com/357747.
-  RenderFrameImpl* render_frame =
-      RenderFrameImpl::FromRoutingID(frame_routing_id_);
-  if (render_frame)
-    render_frame->set_render_frame_proxy(nullptr);
-
   render_widget_->UnregisterRenderFrameProxy(this);
 
   CHECK(!web_frame_);