Pepper: Simplify Pnacl manifest id logic.

ppapi/native_client/src/trusted/plugin/pnacl_translate_thread.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 NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_TRANSLATE_THREAD_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_TRANSLATE_THREAD_H_
 
 #include <deque>
 #include <vector>
 
@@ skipping 24 matching lines @@
 class TempFile;
 
 class PnaclTranslateThread {
  public:
   PnaclTranslateThread();
   ~PnaclTranslateThread();
 
   // Start the translation process. It will continue to run and consume data
   // as it is passed in with PutBytes.
   void RunTranslate(const pp::CompletionCallback& finish_callback,
-                    int32_t manifest_id,
                     const std::vector<TempFile*>* obj_files,
                     TempFile* nexe_file,
                     nacl::DescWrapper* invalid_desc_wrapper,
                     ErrorInfo* error_info,
                     PnaclResources* resources,
                     PP_PNaClOptions* pnacl_options,
                     const nacl::string &architecture_attributes,
                     PnaclCoordinator* coordinator,
                     Plugin* plugin);
 
@@ skipping 47 matching lines @@
   // Data buffers from FileDownloader are enqueued here to pass from the
   // main thread to the SRPC thread. Protected by cond_mu_
   std::deque<std::vector<char> > data_buffers_;
   // Whether all data has been downloaded and copied to translation thread.
   // Associated with buffer_cond_
   bool done_;
 
   int64_t compile_time_;
 
   // Data about the translation files, owned by the coordinator
-  int32_t manifest_id_;
   const std::vector<TempFile*>* obj_files_;
   TempFile* nexe_file_;
   nacl::DescWrapper* invalid_desc_wrapper_;
   ErrorInfo* coordinator_error_info_;
   PnaclResources* resources_;
   PP_PNaClOptions* pnacl_options_;
   nacl::string architecture_attributes_;
   PnaclCoordinator* coordinator_;
   Plugin* plugin_;
  private:
   NACL_DISALLOW_COPY_AND_ASSIGN(PnaclTranslateThread);
 };
 
 }
 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_TRANSLATE_THREAD_H_