[Media Router] Add ProvideSinks() Mojo API

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>
@@ skipping 1163 matching lines @@
   EXPECT_CALL(sink_handler, Invoke(kSinkId2)).Times(1);
   MediaSinkSearchResponseCallback sink_callback = base::Bind(
       &SinkResponseCallbackHandler::Invoke, base::Unretained(&sink_handler));
 
   router()->SearchSinks(kSinkId, kSource, search_input, domain, sink_callback);
 
   base::RunLoop run_loop;
   run_loop.RunUntilIdle();
 }
 
+TEST_F(MediaRouterMojoImplTest, OnSinksDiscovered) {
+  MediaRouter::MediaSinkList* sinks = new MediaRouter::MediaSinkList();
+  MediaSink* expected_sink =
+      new MediaSink(kSinkId, kSinkName, MediaSink::IconType::CAST);
+  sinks->push_back(base::WrapUnique(expected_sink));
+  EXPECT_EQ(expected_sink, sinks->at(0).get());
+
+  EXPECT_CALL(mock_media_route_provider_, OnSinksDiscovered_(_))
+      .WillOnce(Invoke([](const MediaRouter::MediaSinkList& actual_sinks) {
+        EXPECT_EQ(size_t(1), actual_sinks.size());
+        MediaSink* actual_sink = actual_sinks[0].get();
+        EXPECT_EQ(kSinkId, actual_sink->id());
+        EXPECT_EQ(kSinkName, actual_sink->name());
+        EXPECT_EQ(MediaSink::IconType::CAST, actual_sink->icon_type());
+        EXPECT_FALSE(actual_sink->description());
+        EXPECT_FALSE(actual_sink->domain());
+        EXPECT_FALSE(actual_sink->model_name());
+      }));
+
+  router()->OnSinksDiscovered(base::WrapUnique(sinks));
+
+  base::RunLoop run_loop;
+  run_loop.RunUntilIdle();
+}
+
 class MediaRouterMojoExtensionTest : public ::testing::Test {
  public:
   MediaRouterMojoExtensionTest() : process_manager_(nullptr) {}
 
   ~MediaRouterMojoExtensionTest() override {}
 
  protected:
   void SetUp() override {
     // Set the extension's version number to be identical to the browser's.
     extension_ =
@@ skipping 360 matching lines @@
   EXPECT_CALL(mock_media_route_provider_,
               UpdateMediaSinks(MediaSourceForDesktop().id()))
       .WillOnce(InvokeWithoutArgs([&run_loop2]() {
         run_loop2.Quit();
       }));
 
   run_loop2.Run();
 }
 
 }  // namespace media_router