Remove PNaCl's RequestFirstInstall, use resource throttle instead

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 127 matching lines @@
                    const nacl::string& pexe_url,
                    const PnaclOptions& pnacl_options,
                    const pp::CompletionCallback& translate_notify_callback);
 
   // Invoke to issue a GET request for bitcode.
   void OpenBitcodeStream();
   // Invoked when we've started an URL fetch for the pexe to check for
   // caching metadata.
   void BitcodeStreamDidOpen(int32_t pp_error);
 
-  // Callback for when we know PNaCl is installed.
-  void DidCheckPnaclInstalled(int32_t pp_error);
-
   // Callback for when the resource info JSON file has been read.
   void ResourceInfoWasRead(int32_t pp_error);
 
   // Callback for when llc and ld have been downloaded.
   void ResourcesDidLoad(int32_t pp_error);
   // Invoked when we've gotten a temp FD for the nexe, either with the nexe
   // data, or a writeable fd to save to.
   void NexeFdDidOpen(int32_t pp_error);
   // Invoked when a pexe data chunk arrives (when using streaming translation)
   void BitcodeStreamGotData(int32_t pp_error, FileStreamData data);
@@ skipping 73 matching lines @@
   // The helper thread used to do translations via SRPC.
   // Keep this last in declaration order to ensure the other variables
   // haven't been destroyed yet when its destructor runs.
   nacl::scoped_ptr<PnaclTranslateThread> translate_thread_;
 };
 
 //----------------------------------------------------------------------
 
 }  // namespace plugin;
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_COORDINATOR_H_