Move file chooser from RenderView(Host) to RenderFrame(Host).

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 <memory>
 
 #include "base/macros.h"
@@ skipping 47 matching lines @@
       const std::vector<IPC::Message>& nested_msgs,
       const base::Callback<void(const std::vector<int>&)>& callback)
       const override;
   GURL GetDocumentURL(PP_Instance instance) const override;
 
  private:
   ppapi::proxy::ResourceMessageTestSink sink_;
   ppapi::host::PpapiHost ppapi_host_;
 
   RenderView* render_view_;
+  RenderFrame* render_frame_;
   PP_Instance pp_instance_;
 
   bool has_user_gesture_;
 
   std::unique_ptr<FakePepperPluginInstance> plugin_instance_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRendererPpapiHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_MOCK_RENDERER_PPAPI_HOST_H_