Pepper: Simplify Pnacl manifest id logic.

ppapi/native_client/src/trusted/plugin/pnacl_coordinator.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_COORDINATOR_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_COORDINATOR_H_
 
 #include <set>
 #include <map>
 #include <vector>
@@ skipping 183 matching lines @@
   // Set to true when the translation (if applicable) is finished and the nexe
   // file is loaded, (or when there was an error), and the browser has been
   // notified via ReportTranslationFinished. If it is not set before
   // plugin/coordinator destruction, the destructor will call
   // ReportTranslationFinished.
   bool translation_finished_reported_;
   // Threadsafety is required to support file lookups.
   pp::CompletionCallbackFactory<PnaclCoordinator,
                                 pp::ThreadSafeThreadTraits> callback_factory_;
 
-  // The manifest used by resource loading and ld + llc's reverse service
-  // to look up objects and libraries.
-  int32_t manifest_id_;
   // An auxiliary class that manages downloaded resources (llc and ld nexes).
   nacl::scoped_ptr<PnaclResources> resources_;
 
   // The URL for the pexe file.
   nacl::string pexe_url_;
   // Options for translation.
   PP_PNaClOptions pnacl_options_;
   // Architecture-specific attributes used for translation. These are
   // supplied by Chrome, not the developer, and are therefore different
   // from PNaCl options.
@@ skipping 31 matching lines @@
   // The helper thread used to do translations via SRPC.
   // It accesses fields of PnaclCoordinator so it must have a
   // shorter lifetime.
   nacl::scoped_ptr<PnaclTranslateThread> translate_thread_;
 };
 
 //----------------------------------------------------------------------
 
 }  // namespace plugin;
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_COORDINATOR_H_