Properly recreate swapped out RenderView.

content/browser/frame_host/render_frame_host_manager.h

Index: content/browser/frame_host/render_frame_host_manager.h
diff --git a/content/browser/frame_host/render_frame_host_manager.h b/content/browser/frame_host/render_frame_host_manager.h
index 3a40ad73e5bc87f71b23a73a81dff4d788ad1f4c..2cdeaf15186d5afbff51fab56b8ae1fa218ff35b 100644
--- a/content/browser/frame_host/render_frame_host_manager.h
+++ b/content/browser/frame_host/render_frame_host_manager.h
@@ -670,12 +670,12 @@ class CONTENT_EXPORT RenderFrameHostManager {
                                         int bindings);
 
   // Sets up the necessary state for a new RenderViewHost.  Creates a
-  // RenderFrameProxy in the target renderer process with the given
-  // |proxy_routing_id|, which is used to route IPC messages when in swapped
+  // RenderFrameProxy in the target renderer process with the given valid

[Charlie Reis, 2015/10/16 23:09:57]

This comment makes it sound like the proxy is required.  Can you clarify when it
should be real vs null?

[nasko, 2015/10/16 23:42:09]

Done.

+  // |proxy|, which is used to route IPC messages when in swapped
   // out state.  Returns early if the RenderViewHost has already been
   // initialized for another RenderFrameHost.
   bool InitRenderView(RenderViewHostImpl* render_view_host,
-                      int proxy_routing_id);
+                      RenderFrameProxyHost* proxy);
 
   // Initialization for RenderFrameHost uses the same sequence as InitRenderView
   // above.