Remove PNaCl's RequestFirstInstall, use resource throttle instead

chrome/browser/nacl_host/nacl_browser_delegate_impl.cc

 // 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.
 
 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
 
 #include "base/path_service.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 60 matching lines @@
 
 std::string NaClBrowserDelegateImpl::GetVersionString() const {
   return chrome::VersionInfo().CreateVersionString();
 }
 
 ppapi::host::HostFactory* NaClBrowserDelegateImpl::CreatePpapiHostFactory(
     content::BrowserPpapiHost* ppapi_host) {
   return new chrome::ChromeBrowserPepperHostFactory(ppapi_host);
 }
 
-void NaClBrowserDelegateImpl::TryInstallPnacl(
-    const base::Callback<void(bool)>& installed) {
-  PnaclComponentInstaller* pci =
-      g_browser_process->pnacl_component_installer();
-  if (pci)
-    pci->RequestFirstInstall(installed);
-  else
-    installed.Run(false);
-}
-
 void NaClBrowserDelegateImpl::SetDebugPatterns(std::string debug_patterns) {
   if (!debug_patterns.empty() && debug_patterns[0] == '!') {
     inverse_debug_patterns_ = true;
     debug_patterns.erase(0, 1);
   }
   if (debug_patterns.empty()) {
     return;
   }
   std::vector<std::string> patterns;
   base::SplitString(debug_patterns, ',', &patterns);
@@ skipping 85 matching lines @@
     return false;
 
   // GetFilePath is a blocking function call.
   const base::FilePath resource_file_path = resource.GetFilePath();
   if (resource_file_path.empty())
     return false;
 
   *file_path = resource_file_path;
   return true;
 }