bluetooth: Populate Web Bluetooth blacklist from variations:: parameter.

chrome/browser/chrome_content_browser_client.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 "chrome/browser/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 2002 matching lines @@
   if (content_settings->GetContentSetting(GURL(requesting_origin.Serialize()),
                                           GURL(embedding_origin.Serialize()),
                                           CONTENT_SETTINGS_TYPE_BLUETOOTH_GUARD,
                                           std::string()) ==
       CONTENT_SETTING_BLOCK) {
     return AllowWebBluetoothResult::BLOCK_POLICY;
   }
   return AllowWebBluetoothResult::ALLOW;
 }
 
+std::string ChromeContentBrowserClient::GetWebBluetoothBlacklist() {
+  return variations::GetVariationParamValue("WebBluetoothBlacklist",
+                                            "blacklist_additions");
+}
+
 net::URLRequestContext*
 ChromeContentBrowserClient::OverrideRequestContextForURL(
     const GURL& url, content::ResourceContext* context) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 #if defined(ENABLE_EXTENSIONS)
   if (url.SchemeIs(extensions::kExtensionScheme)) {
     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
     return io_data->extensions_request_context();
   }
 #endif
@@ skipping 942 matching lines @@
   if (channel <= kMaxDisableEncryptionChannel) {
     static const char* const kWebRtcDevSwitchNames[] = {
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)