Allow fallback from https to http for component update checks.

extensions/browser/updater/update_data_provider.cc

 // Copyright 2015 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 "extensions/browser/updater/update_data_provider.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 30 matching lines @@
     if (!extension)
       continue;
     data->push_back(update_client::CrxComponent());
     update_client::CrxComponent* info = &data->back();
     std::string pubkey_bytes;
     base::Base64Decode(extension->public_key(), &pubkey_bytes);
     info->pk_hash.resize(crypto::kSHA256Length, 0);
     crypto::SHA256HashString(pubkey_bytes, info->pk_hash.data(),
                              info->pk_hash.size());
     info->version = *extension->version();
-    info->allow_background_download = false;
-
+    info->allows_background_download = false;
+    info->requires_network_encryption = true;
     info->installer = new UpdateInstallShim(
         id, extension->path(),
         base::Bind(&UpdateDataProvider::RunInstallCallback, this));
   }
 }
 
 void UpdateDataProvider::RunInstallCallback(const std::string& extension_id,
                                             const base::FilePath& temp_dir) {
   if (!context_) {
     content::BrowserThread::PostBlockingPoolTask(
         FROM_HERE,
         base::Bind(base::IgnoreResult(&base::DeleteFile), temp_dir, false));
     return;
   } else {
     callback_.Run(context_, extension_id, temp_dir);
   }
 }
 
 }  // namespace extensions