Support window.opener after a process swap.

content/common/content_client.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_CONTENT_CLIENT_H_
 #define CONTENT_COMMON_CONTENT_CLIENT_H_
 #pragma once
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "build/build_config.h"
 
 class GURL;
 struct GPUInfo;
 struct PepperPluginInfo;
 
+namespace IPC {
+class Message;
+}
+
 namespace content {
 
 class ContentBrowserClient;
 class ContentClient;
 class ContentPluginClient;
 class ContentRendererClient;
 
 // Setter and getter for the client.  The client should be set early, before any
 // content code is called.
 void SetContentClient(ContentClient* client);
@@ skipping 14 matching lines @@
 
   // Sets the currently active URL.  Use GURL() to clear the URL.
   virtual void SetActiveURL(const GURL& url) {}
 
   // Sets the data on the current gpu.
   virtual void SetGpuInfo(const GPUInfo& gpu_info) {}
 
   // Gives the embedder a chance to register its own pepper plugins.
   virtual void AddPepperPlugins(std::vector<PepperPluginInfo>* plugins) {}
 
+  // Returns whether the given message should be allowed to be sent from a
+  // swapped out renderer.
+  virtual bool CanSendWhileSwappedOut(const IPC::Message* msg) { return false; }
+
+  // Returns whether the given message should be processed in the browser on
+  // behalf of a swapped out renderer.
+  virtual bool CanHandleWhileSwappedOut(const IPC::Message& msg) {
+    return false;
+  }
+
  private:
   // The embedder API for participating in browser logic.
   ContentBrowserClient* browser_;
   // The embedder API for participating in plugin logic.
   ContentPluginClient* plugin_;
   // The embedder API for participating in renderer logic.
   ContentRendererClient* renderer_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_CONTENT_CLIENT_H_