Revert 241151 "Make RenderFrameHostManager swap RenderFrameHosts..."

trunk/src/content/browser/frame_host/render_frame_host_impl.h

Index: trunk/src/content/browser/frame_host/render_frame_host_impl.h
===================================================================
--- trunk/src/content/browser/frame_host/render_frame_host_impl.h	(revision 241158)
+++ trunk/src/content/browser/frame_host/render_frame_host_impl.h	(working copy)
@@ -76,13 +76,8 @@
 
   bool is_swapped_out() { return is_swapped_out_; }
 
-  // For now, RenderFrameHosts indirectly keep RenderViewHosts alive via a
-  // refcount that calls Shutdown when it reaches zero.  This allows each
-  // RenderFrameHostManager to just care about RenderFrameHosts, while ensuring
-  // we have a RenderViewHost for each RenderFrameHost.
-  // TODO(creis): RenderViewHost will eventually go away and be replaced with
-  // some form of page context.
-  RenderViewHostImpl* render_view_host_;
+  // TODO(nasko): This should be removed and replaced by RenderProcessHost.
+  RenderViewHostImpl* render_view_host_;  // Not owned.
 
   RenderFrameHostDelegate* delegate_;