Remove PNaCl's RequestFirstInstall, use resource throttle instead

components/nacl/common/pnacl_types.h

 // 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.
 
 #ifndef COMPONENTS_NACL_COMMON_PNACL_TYPES_H_
 #define COMPONENTS_NACL_COMMON_PNACL_TYPES_H_
 
 // This file exists (instead of putting this type into nacl_types.h) because
 // nacl_types is built into nacl_helper in addition to chrome, and we don't
 // want to pull src/url/ into there, since it would be unnecessary bloat.
@@ skipping 12 matching lines @@
   PnaclCacheInfo();
   ~PnaclCacheInfo();
   GURL pexe_url;
   int abi_version;
   int opt_level;
   base::Time last_modified;
   std::string etag;
   bool has_no_store_header;
 };
 
-// Progress information for PNaCl on-demand installs.
-struct PnaclInstallProgress {
-  int64 current;
-  int64 total_size;
-
-  // Returns an instance of PnaclInstallProgress where the
-  // total is marked as unknown.
-  static PnaclInstallProgress Unknown();
-
-  // Returns true if the given instance of PnaclInstallProgress has
-  // an unknown total.
-  static bool progress_known(const PnaclInstallProgress& p);
-};
-
 }  // namespace nacl
 
 #endif  // COMPONENTS_NACL_COMMON_PNACL_TYPES_H_