Support window.opener after a process swap.

content/browser/renderer_host/resource_dispatcher_host.h

Index: content/browser/renderer_host/resource_dispatcher_host.h
diff --git a/content/browser/renderer_host/resource_dispatcher_host.h b/content/browser/renderer_host/resource_dispatcher_host.h
index e3ff805b69a6e709a77295d552039a9fa6c4a647..9825b5ad88a7244d09e73d0ae9083353672d5336 100644
--- a/content/browser/renderer_host/resource_dispatcher_host.h
+++ b/content/browser/renderer_host/resource_dispatcher_host.h
@@ -45,7 +45,7 @@ class WebKitThread;
 struct DownloadSaveInfo;
 struct GlobalRequestID;
 struct ResourceHostMsg_Request;
-struct ViewMsg_ClosePage_Params;
+struct ViewMsg_SwapOut_Params;
 
 namespace net {
 class URLRequestContext;
@@ -171,8 +171,8 @@ class ResourceDispatcherHost : public net::URLRequest::Delegate {
     return webkit_thread_.get();
   }
 
-  // Called when the onunload handler for a cross-site request has finished.
-  void OnClosePageACK(const ViewMsg_ClosePage_Params& params);
+  // Called when the unload handler for a cross-site request has finished.
+  void OnSwapOutACK(const ViewMsg_SwapOut_Params& params);
 
   // Force cancels any pending requests for the given process.
   void CancelRequestsForProcess(int process_unique_id);