Apply a few missing const qualifiers in net/

net/http/http_auth_gssapi_posix.cc

 // 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.
 
 #include "net/http/http_auth_gssapi_posix.h"
 
 #include <limits>
 #include <string>
 
 #include "base/base64.h"
@@ skipping 401 matching lines @@
 #if defined(DLOPEN_KERBEROS)
   gssapi_library_ = LoadSharedLibrary();
   if (gssapi_library_ == NULL)
     return false;
 #endif  // defined(DLOPEN_KERBEROS)
   initialized_ = true;
   return true;
 }
 
 base::NativeLibrary GSSAPISharedLibrary::LoadSharedLibrary() {
-  const char** library_names;
+  const char* const* library_names;
   size_t num_lib_names;
   const char* user_specified_library[1];
   if (!gssapi_library_name_.empty()) {
     user_specified_library[0] = gssapi_library_name_.c_str();
     library_names = user_specified_library;
     num_lib_names = 1;
   } else {
-    static const char* kDefaultLibraryNames[] = {
+    static const char* const kDefaultLibraryNames[] = {
 #if defined(OS_MACOSX)
       "libgssapi_krb5.dylib"  // MIT Kerberos
 #elif defined(OS_OPENBSD)
       "libgssapi.so"          // Heimdal - OpenBSD
 #else
       "libgssapi_krb5.so.2",  // MIT Kerberos - FC, Suse10, Debian
       "libgssapi.so.4",       // Heimdal - Suse10, MDK
       "libgssapi.so.2",       // Heimdal - Gentoo
       "libgssapi.so.1"        // Heimdal - Suse9, CITI - FC, MDK, Suse10
 #endif
@@ skipping 443 matching lines @@
   if (rv != OK) {
     LOG(ERROR) << "Problem initializing context. \n"
                << DisplayExtendedStatus(library_, major_status, minor_status)
                << '\n'
                << DescribeContext(library_, scoped_sec_context_.get());
   }
   return rv;
 }
 
 }  // namespace net