Enable loading gssapi library for Chromad.

net/http/http_auth_gssapi_posix.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 NET_HTTP_HTTP_AUTH_GSSAPI_POSIX_H_
 #define NET_HTTP_HTTP_AUTH_GSSAPI_POSIX_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 90 matching lines @@
       OM_uint32* ctx_flags,
       int* locally_initiated,
       int* open) = 0;
 };
 
 // GSSAPISharedLibrary class is defined here so that unit tests can access it.
 class NET_EXPORT_PRIVATE GSSAPISharedLibrary : public GSSAPILibrary {
  public:
   // If |gssapi_library_name| is empty, hard-coded default library names are
   // used.
-  explicit GSSAPISharedLibrary(const std::string& gssapi_library_name);
+  explicit GSSAPISharedLibrary(const std::string& gssapi_library_name,
+                               bool allow_gssapi_library_load);
   ~GSSAPISharedLibrary() override;
 
   // GSSAPILibrary methods:
   bool Init() override;
   OM_uint32 import_name(OM_uint32* minor_status,
                         const gss_buffer_t input_name_buffer,
                         const gss_OID input_name_type,
                         gss_name_t* output_name) override;
   OM_uint32 release_name(OM_uint32* minor_status,
                          gss_name_t* input_name) override;
@@ skipping 57 matching lines @@
   bool InitImpl();
   // Finds a usable dynamic library for GSSAPI and loads it.  The criteria are:
   //   1. The library must exist.
   //   2. The library must export the functions we need.
   base::NativeLibrary LoadSharedLibrary();
   bool BindMethods(base::NativeLibrary lib);
 
   bool initialized_;
 
   std::string gssapi_library_name_;
+  bool allow_gssapi_library_load_;
   // Need some way to invalidate the library.
   base::NativeLibrary gssapi_library_;
 
   // Function pointers
   gss_import_name_type import_name_;
   gss_release_name_type release_name_;
   gss_release_buffer_type release_buffer_;
   gss_display_name_type display_name_;
   gss_display_status_type display_status_;
   gss_init_sec_context_type init_sec_context_;
@@ skipping 81 matching lines @@
   gss_OID gss_oid_;
   GSSAPILibrary* library_;
   std::string decoded_server_auth_token_;
   ScopedSecurityContext scoped_sec_context_;
   bool can_delegate_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_AUTH_GSSAPI_POSIX_H_