PPAPI: Refactor renderer side of browser host creation

content/renderer/pepper/renderer_ppapi_host_impl.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_RENDERER_PPAPI_HOST_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "content/renderer/pepper/content_renderer_pepper_host_factory.h"
 #include "ppapi/host/ppapi_host.h"
+#include "ppapi/proxy/serialized_structs.h"
 
 namespace IPC {
 class Sender;
 }
 
 namespace ppapi {
 
 namespace proxy {
 class HostDispatcher;
 }
@@ skipping 64 matching lines @@
   bool HasUserGesture(PP_Instance instance) const override;
   int GetRoutingIDForWidget(PP_Instance instance) const override;
   gfx::Point PluginPointToRenderFrame(PP_Instance instance,
                                       const gfx::Point& pt) const override;
   IPC::PlatformFileForTransit ShareHandleWithRemote(
       base::PlatformFile handle,
       bool should_close_source) override;
   bool IsRunningInProcess() const override;
   std::string GetPluginName() const override;
   void SetToExternalPluginHost() override;
-  void CreateBrowserResourceHosts(
+  int32_t CreateBrowserResourceHosts(
       PP_Instance instance,
       const std::vector<IPC::Message>& nested_msgs,
-      const base::Callback<void(const std::vector<int>&)>& callback)
-      const override;
+      const PendingResourceCallback& callback) const override;
   GURL GetDocumentURL(PP_Instance instance) const override;
 
  private:
   RendererPpapiHostImpl(PluginModule* module,
                         ppapi::proxy::HostDispatcher* dispatcher,
                         const ppapi::PpapiPermissions& permissions);
   RendererPpapiHostImpl(PluginModule* module,
                         const ppapi::PpapiPermissions& permissions);
 
   // Retrieves the plugin instance object associated with the given PP_Instance
@@ skipping 20 matching lines @@
 
   // Whether this is a host for external plugins.
   bool is_external_plugin_host_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererPpapiHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_