Fixed playing video in component extensions.

tools/gn/secondary/net/BUILD.gn

 # Copyright (c) 2013 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.
 
 import("//crypto/ssl/flags.gni")
 import("//tools/grit/grit_rule.gni")
 
 component("net") {
   external = true
   sources = [
@@ skipping 963 matching lines @@
     "url_request/url_fetcher.h",
     "url_request/url_fetcher_core.cc",
     "url_request/url_fetcher_core.h",
     "url_request/url_fetcher_delegate.cc",
     "url_request/url_fetcher_delegate.h",
     "url_request/url_fetcher_factory.h",
     "url_request/url_fetcher_impl.cc",
     "url_request/url_fetcher_impl.h",
     "url_request/url_fetcher_response_writer.cc",
     "url_request/url_fetcher_response_writer.h",
+    "url_request/url_range_request_job.cc",
+    "url_request/url_range_request_job.h",
     "url_request/url_request.cc",
     "url_request/url_request.h",
     "url_request/url_request_about_job.cc",
     "url_request/url_request_about_job.h",
     "url_request/url_request_context.cc",
     "url_request/url_request_context.h",
     "url_request/url_request_context_builder.cc",
     "url_request/url_request_context_builder.h",
     "url_request/url_request_context_getter.cc",
     "url_request/url_request_context_getter.h",
@@ skipping 225 matching lines @@
     "server/web_socket.h",
   ]
   deps = [
     ":net",
     "//base",
   ]
 
   # TODO(brettw) figure out how to get this:
   # 'variables': { 'enable_wexit_time_destructors': 1, },
 }