Remove PNaCl's RequestFirstInstall, use resource throttle instead

chrome/browser/component_updater/pnacl/pnacl_component_installer.h

 // Copyright (c) 2011 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 CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_
 #define CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_
 
 #include <list>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/version.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
 #include "chrome/browser/component_updater/pnacl/pnacl_profile_observer.h"
-#include "chrome/browser/component_updater/pnacl/pnacl_updater_observer.h"
 
 class CommandLine;
 
 namespace base {
 class DictionaryValue;
 }
 
 // Component installer responsible for Portable Native Client files.
 // Files can be installed to a shared location, or be installed to
 // a per-user location.
@@ skipping 40 matching lines @@
   }
 
   std::string current_fingerprint() const { return current_fingerprint_; }
 
   void set_current_fingerprint(const std::string& current_fingerprint) {
     current_fingerprint_ = current_fingerprint;
   }
 
   ComponentUpdateService* cus() const { return cus_; }
 
-  typedef base::Callback<void(bool)> InstallCallback;
-
-  // Ask the component updater service to do a first-install for PNaCl.
-  // The |installed| callback will be run with |true| on success,
-  // or run with |false| on an error. The callback is called on the UI thread.
-  void RequestFirstInstall(const InstallCallback& installed);
-
  private:
-  friend class PnaclUpdaterObserver;
-
-  // Called when a RequestFirstInstall completed successfully.
-  void NotifyInstallSuccess();
-
-  // Called when a RequestFirstInstall will not happen, or an error occurred.
-  void NotifyInstallError();
-
   bool per_user_;
   bool updates_disabled_;
   scoped_ptr<PnaclProfileObserver> profile_observer_;
   base::FilePath current_profile_path_;
   base::Version current_version_;
   std::string current_fingerprint_;
   ComponentUpdateService* cus_;
-  // The one callback to call when there is a RequestFirstInstall.
-  InstallCallback install_callback_;
-  // Component updater service observer, to determine when an on-demand
-  // install request failed.
-  scoped_ptr<PnaclUpdaterObserver> updater_observer_;
   DISALLOW_COPY_AND_ASSIGN(PnaclComponentInstaller);
 };
 
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_