[Media Router] Add ProvideSinks() Mojo API

chrome/browser/media/router/mojo/media_router_struct_traits_unittest.cc

 // Copyright 2017 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 "chrome/browser/media/router/mojo/media_router_struct_traits.h"
 
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/media/router/discovery/media_sink_internal.h"
 #include "chrome/browser/media/router/mojo/media_router.mojom.h"
 #include "chrome/browser/media/router/mojo/media_router_traits_test_service.mojom.h"
@@ skipping 39 matching lines @@
   EXPECT_TRUE(extra_data.ip_address.AssignFromIPLiteral(ip_address));
   extra_data.model_name = model_name;
   extra_data.app_url = app_url;
 
   MediaSinkInternal dial_sink(sink, extra_data);
 
   mojom::MediaRouterTraitsTestServicePtr proxy = GetTraitsTestProxy();
   MediaSinkInternal output;
   proxy->EchoMediaSink(dial_sink, &output);
 
-  EXPECT_EQ(sink_id, output.sink().id());
-  EXPECT_EQ(sink_name, output.sink().name());
-  EXPECT_EQ(icon_type, output.sink().icon_type());
-  EXPECT_EQ(ip_address, output.dial_data().ip_address.ToString());
-  EXPECT_EQ(model_name, output.dial_data().model_name);
-  EXPECT_EQ(app_url, output.dial_data().app_url);
+  EXPECT_EQ(dial_sink, output);
 }
 
 TEST_F(MediaRouterStructTraitsTest, CastMediaSink) {
   MediaSink::Id sink_id("sinkId123");
   std::string sink_name("The sink");
   MediaSink::IconType icon_type(MediaSink::IconType::CAST);
   std::string ip_address("192.168.1.2");
   std::string model_name("model name");
 
   MediaSink sink(sink_id, sink_name, icon_type);
   CastSinkExtraData extra_data;
   EXPECT_TRUE(extra_data.ip_address.AssignFromIPLiteral(ip_address));
   extra_data.model_name = model_name;
   extra_data.capabilities = 2;
   extra_data.cast_channel_id = 3;
 
   MediaSinkInternal cast_sink(sink, extra_data);
 
   mojom::MediaRouterTraitsTestServicePtr proxy = GetTraitsTestProxy();
   MediaSinkInternal output;
   proxy->EchoMediaSink(cast_sink, &output);
 
-  EXPECT_EQ(sink_id, output.sink().id());
-  EXPECT_EQ(sink_name, output.sink().name());
-  EXPECT_EQ(icon_type, output.sink().icon_type());
-  EXPECT_EQ(ip_address, output.cast_data().ip_address.ToString());
-  EXPECT_EQ(model_name, output.cast_data().model_name);
-  EXPECT_EQ(2, output.cast_data().capabilities);
-  EXPECT_EQ(3, output.cast_data().cast_channel_id);
+  EXPECT_EQ(cast_sink, output);
 }
 
 TEST_F(MediaRouterStructTraitsTest, GenericMediaSink) {
   MediaSink::Id sink_id("sinkId123");
   std::string sink_name("The sink");
   MediaSink::IconType icon_type(MediaSink::IconType::CAST);
 
   MediaSink sink(sink_id, sink_name, icon_type);
   MediaSinkInternal generic_sink(sink);
 
   mojom::MediaRouterTraitsTestServicePtr proxy = GetTraitsTestProxy();
   MediaSinkInternal output;
   proxy->EchoMediaSink(generic_sink, &output);
 
-  EXPECT_EQ(sink_id, output.sink().id());
-  EXPECT_EQ(sink_name, output.sink().name());
-  EXPECT_EQ(icon_type, output.sink().icon_type());
-  EXPECT_FALSE(output.is_cast_sink());
-  EXPECT_FALSE(output.is_dial_sink());
+  EXPECT_EQ(generic_sink, output);
 }
 
 }  // namespace media_router