Convert NaCl renderer-browser messages to mojo.

components/nacl/renderer/pnacl_translation_resource_host.h

 // Copyright 2013 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 COMPONENTS_NACL_RENDERER_PNACL_TRANSLATION_RESOURCE_HOST_H_
 #define COMPONENTS_NACL_RENDERER_PNACL_TRANSLATION_RESOURCE_HOST_H_
 
 #include <stdint.h>
 
 #include <map>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "ipc/ipc_platform_file.h"
-#include "ipc/message_filter.h"
+#include "components/nacl/common/nacl.mojom.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/private/pp_file_handle.h"
 
-namespace base {
-class SingleThreadTaskRunner;
-}
-
 namespace nacl {
 struct PnaclCacheInfo;
 }
 
 // A class to keep track of requests made to the browser for resources that the
 // PNaCl translator needs (e.g. descriptors for the translator nexes, temp
 // files, and cached translations).
 
 // "Resource" might not be the best name for the various things that pnacl
 // needs from the browser since "Resource" is a Pepper thing...
-class PnaclTranslationResourceHost : public IPC::MessageFilter {
+class PnaclTranslationResourceHost {
  public:
   typedef base::Callback<void(int32_t, bool, PP_FileHandle)>
           RequestNexeFdCallback;
 
-  explicit PnaclTranslationResourceHost(
-      scoped_refptr<base::SingleThreadTaskRunner> io_task_runner);
+  explicit PnaclTranslationResourceHost(nacl::mojom::NaClHost* host);
+  ~PnaclTranslationResourceHost();
+
   void RequestNexeFd(int render_view_id,
                      PP_Instance instance,
                      const nacl::PnaclCacheInfo& cache_info,
                      RequestNexeFdCallback callback);
   void ReportTranslationFinished(PP_Instance instance, PP_Bool success);
 
- protected:
-  ~PnaclTranslationResourceHost() override;
+ private:
+  nacl::mojom::NaClHost* const host_;
 
- private:
-  // Maps the instance with an outstanding cache request to the info
-  // about that request.
-  typedef std::map<PP_Instance, RequestNexeFdCallback> CacheRequestInfoMap;
-
-  // IPC::MessageFilter implementation.
-  bool OnMessageReceived(const IPC::Message& message) override;
-  void OnFilterAdded(IPC::Channel* channel) override;
-  void OnFilterRemoved() override;
-  void OnChannelClosing() override;
-
-  void SendRequestNexeFd(int render_view_id,
-                         PP_Instance instance,
-                         const nacl::PnaclCacheInfo& cache_info,
-                         RequestNexeFdCallback callback);
-  void SendReportTranslationFinished(PP_Instance instance,
-                                     PP_Bool success);
-  void OnNexeTempFileReply(PP_Instance instance,
-                           bool is_hit,
-                           IPC::PlatformFileForTransit file);
-  void CleanupCacheRequests();
-
-  scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-
-  // Should be accessed on the io thread.
-  IPC::Sender* sender_;
-  CacheRequestInfoMap pending_cache_requests_;
   DISALLOW_COPY_AND_ASSIGN(PnaclTranslationResourceHost);
 };
 
 #endif  // COMPONENTS_NACL_RENDERER_PNACL_TRANSLATION_RESOURCE_HOST_H_