Pass data saver pref value into embedded worker

content/public/browser/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 "content/public/browser/content_browser_client.h"
 
 #include "base/files/file_path.h"
 #include "build/build_config.h"
 #include "content/public/browser/client_certificate_delegate.h"
 #include "content/public/common/sandbox_type.h"
@@ skipping 143 matching lines @@
 }
 
 bool ContentBrowserClient::AllowServiceWorker(const GURL& scope,
                                               const GURL& document_url,
                                               content::ResourceContext* context,
                                               int render_process_id,
                                               int render_frame_id) {
   return true;
 }
 
+bool ContentBrowserClient::IsDataSaverEnabled(BrowserContext* context) {
+  return false;
+}
+
 bool ContentBrowserClient::AllowGetCookie(const GURL& url,
                                           const GURL& first_party,
                                           const net::CookieList& cookie_list,
                                           ResourceContext* context,
                                           int render_process_id,
                                           int render_frame_id) {
   return true;
 }
 
 bool ContentBrowserClient::AllowSetCookie(const GURL& url,
@@ skipping 242 matching lines @@
 #if defined(VIDEO_HOLE)
 ExternalVideoSurfaceContainer*
 ContentBrowserClient::OverrideCreateExternalVideoSurfaceContainer(
     WebContents* web_contents) {
   NOTREACHED() << "Hole-punching is not supported. See crbug.com/469348.";
   return nullptr;
 }
 #endif
 
 }  // namespace content