| Index: content/browser/frame_host/render_frame_host_impl.h | 
| diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h | 
| index 2822724adfae45a5a56fc078e29376f9ccae6e47..f00604a013705b0c77c7dad8ce249d3321fb5313 100644 | 
| --- a/content/browser/frame_host/render_frame_host_impl.h | 
| +++ b/content/browser/frame_host/render_frame_host_impl.h | 
| @@ -76,8 +76,13 @@ class CONTENT_EXPORT RenderFrameHostImpl : public RenderFrameHost { | 
|  | 
| bool is_swapped_out() { return is_swapped_out_; } | 
|  | 
| -  // TODO(nasko): This should be removed and replaced by RenderProcessHost. | 
| -  RenderViewHostImpl* render_view_host_;  // Not owned. | 
| +  // 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_; | 
|  | 
| RenderFrameHostDelegate* delegate_; | 
|  | 
|  |