[Presentation API] (browser side) Implement reconnect() for 1-UA mode

chrome/browser/media/router/offscreen_presentation_manager_unittest.cc

Index: chrome/browser/media/router/offscreen_presentation_manager_unittest.cc
diff --git a/chrome/browser/media/router/offscreen_presentation_manager_unittest.cc b/chrome/browser/media/router/offscreen_presentation_manager_unittest.cc
index 4563517006cd4a9903ff0b360b0b288ba1f57b83..6a6c61d79417cfe76e7bfa60fbda065073bd6c0b 100644
--- a/chrome/browser/media/router/offscreen_presentation_manager_unittest.cc
+++ b/chrome/browser/media/router/offscreen_presentation_manager_unittest.cc
@@ -298,4 +298,23 @@ TEST_F(OffscreenPresentationManagerTest, TwoPresentations) {
   VerifyPresentationsSize(1);
 }
 
+TEST_F(OffscreenPresentationManagerTest, TestIsOffscreenPresentation) {
+  EXPECT_FALSE(manager()->IsOffscreenPresentation(kPresentationId));
+  content::PresentationConnectionPtr controller1;
+  RegisterController(kPresentationId, std::move(controller1));
+  EXPECT_TRUE(manager()->IsOffscreenPresentation(kPresentationId));
+}
+
+TEST_F(OffscreenPresentationManagerTest, TestRegisterAndGetRoute) {
+  MediaSource source("source_1");
+  MediaRoute route("route_1", source, "sink_1", "", false, "", false);
+
+  EXPECT_FALSE(manager()->GetRoute(kPresentationId));
+  manager()->RegisterOffscreenPresentationRoute(kPresentationId,
+                                                GURL(kPresentationUrl), route);
+  auto* actual_route = manager()->GetRoute(kPresentationId);
+  EXPECT_TRUE(actual_route);
+  EXPECT_TRUE(route.Equals(*actual_route));
+}
+
 }  // namespace media_router