Modify Pepper CreateResourceHostFromHost to create multiple hosts.

content/renderer/pepper/mock_renderer_ppapi_host.h

 // Copyright (c) 2012 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_RENDERER_PEPPER_MOCK_RENDERER_PPAPI_HOST_H_
 #define CONTENT_RENDERER_PEPPER_MOCK_RENDERER_PPAPI_HOST_H_
 
 #include "base/basictypes.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "content/renderer/pepper/content_renderer_pepper_host_factory.h"
@@ skipping 31 matching lines @@
   virtual base::ProcessId GetPluginPID() const OVERRIDE;
   virtual bool HasUserGesture(PP_Instance instance) const OVERRIDE;
   virtual int GetRoutingIDForWidget(PP_Instance instance) const OVERRIDE;
   virtual gfx::Point PluginPointToRenderView(
       PP_Instance instance,
       const gfx::Point& pt) const OVERRIDE;
   virtual IPC::PlatformFileForTransit ShareHandleWithRemote(
       base::PlatformFile handle,
       bool should_close_source) OVERRIDE;
   virtual bool IsRunningInProcess() const OVERRIDE;
-  virtual void CreateBrowserResourceHost(
+  virtual void CreateBrowserResourceHosts(
       PP_Instance instance,
-      const IPC::Message& nested_msg,
-      const base::Callback<void(int)>& callback) const OVERRIDE;
+      const std::vector<IPC::Message>& nested_msgs,
+      const base::Callback<void(
+          const std::vector<int>&)>& callback) const OVERRIDE;
 
  private:
   ppapi::proxy::ResourceMessageTestSink sink_;
   ppapi::host::PpapiHost ppapi_host_;
 
   RenderView* render_view_;
   PP_Instance pp_instance_;
 
   bool has_user_gesture_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRendererPpapiHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_MOCK_RENDERER_PPAPI_HOST_H_