[Presentation API] (MR side) 1-UA: notify receiver page when receiver connection becomes available

chrome/test/BUILD.gn

 # Copyright 2014 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("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 4220 matching lines @@
     sources += [
       "../browser/media/router/create_presentation_connection_request_unittest.cc",
       "../browser/media/router/issue_manager_unittest.cc",
       "../browser/media/router/issue_unittest.cc",
       "../browser/media/router/media_route_unittest.cc",
       "../browser/media/router/media_router_factory_unittest.cc",
       "../browser/media/router/media_sink_unittest.cc",
       "../browser/media/router/media_sinks_observer_unittest.cc",
       "../browser/media/router/media_source_helper_unittest.cc",
       "../browser/media/router/media_source_unittest.cc",
+      "../browser/media/router/offscreen_presentation_manager_factory_unittest.cc",
+      "../browser/media/router/offscreen_presentation_manager_unittest.cc",
       "../browser/media/router/presentation_media_sinks_observer_unittest.cc",
       "../browser/media/router/presentation_request_unittest.cc",
       "../browser/media/router/presentation_service_delegate_impl_unittest.cc",
     ]
     deps += [ "//chrome/browser/media/router:test_support" ]
     if (!is_android) {
       sources += [
         "../browser/media/router/mojo/media_router_mojo_impl_unittest.cc",
         "../browser/media/router/mojo/media_router_mojo_metrics_unittest.cc",
         "../browser/media/router/mojo/media_router_type_converters_unittest.cc",
@@ skipping 725 matching lines @@
       "touch_hud",
       "ui",
     ]
 
     if (is_linux && !is_android) {
       deps += [ "//components/font_service:manifest" ]
       packaged_services += [ "font_service" ]
     }
   }
 }