[Media Router] Wire through a new MRPM call to update media sinks.

chrome/browser/media/router/mojo/media_router_mojo_impl_unittest.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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/histogram_tester.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/media/router/issue.h"
 #include "chrome/browser/media/router/media_route.h"
+#include "chrome/browser/media/router/media_source_helper.h"
 #include "chrome/browser/media/router/mock_media_router.h"
 #include "chrome/browser/media/router/mojo/media_router_mojo_metrics.h"
 #include "chrome/browser/media/router/mojo/media_router_mojo_test.h"
 #include "chrome/browser/media/router/mojo/media_router_type_converters.h"
 #include "chrome/browser/media/router/presentation_session_messages_observer.h"
 #include "chrome/browser/media/router/test_helper.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/version_info/version_info.h"
@@ skipping 1484 matching lines @@
                 }));
   BindMediaRouteProvider();
   RegisterMediaRouteProvider();
   run_loop4.Run();
   run_loop5.Run();
   // Always a no-op at this point.
   media_router_->OnUserGesture();
 }
 #endif
 
+TEST_F(MediaRouterMojoExtensionTest, UpdateMediaSinksOnUserGesture) {
+  BindMediaRouteProvider();
+
+  base::RunLoop run_loop;
+  EXPECT_CALL(provide_handler_, Invoke(testing::Not("")))
+      .WillOnce(InvokeWithoutArgs([&run_loop]() {
+                  run_loop.Quit();
+                }));
+  // Called once for registration, and once for the user gesture.
+  EXPECT_CALL(*process_manager_, IsEventPageSuspended(extension_->id()))
+      .WillOnce(Return(false)).WillOnce(Return(false));
+  RegisterMediaRouteProvider();
+  run_loop.Run();
+
+  media_router_->OnUserGesture();
+
+  base::RunLoop run_loop2;
+
+  EXPECT_CALL(mock_media_route_provider_,
+              UpdateMediaSinks(mojo::String(MediaSourceForDesktop().id())))
+      .WillOnce(InvokeWithoutArgs([&run_loop2]() {
+        run_loop2.Quit();
+      }));
+
+  run_loop2.Run();
+}
+
 }  // namespace media_router