[Media Router] Add Media Router Mojo impl code.

chrome/browser/ui/webui/media_router/query_result_manager_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 "base/bind.h"
 #include "base/containers/hash_tables.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/media/router/media_sinks_observer.h"
@@ skipping 23 matching lines @@
 
 }  // namespace
 
 class QueryResultManagerTest : public ::testing::Test {
  public:
   QueryResultManagerTest()
       : mock_router_(), query_result_manager_(&mock_router_) {
   }
 
   void DiscoverSinks(MediaCastMode cast_mode, const MediaSource& source) {
-    EXPECT_CALL(mock_router_, RegisterMediaSinksObserver(_))
-        .WillOnce(Return(true));
+    EXPECT_CALL(mock_router_, RegisterMediaSinksObserver(_)).Times(1);
     EXPECT_CALL(mock_observer_, OnResultsUpdated(_)).Times(1);
     query_result_manager_.StartSinksQuery(cast_mode, source);
   }
 
   MockMediaRouter mock_router_;
   QueryResultManager query_result_manager_;
   MockObserver mock_observer_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(QueryResultManagerTest);
@@ skipping 32 matching lines @@
 TEST_F(QueryResultManagerTest, StartStopSinksQuery) {
   CastModeSet cast_modes;
 
   query_result_manager_.GetSupportedCastModes(&cast_modes);
   EXPECT_TRUE(cast_modes.empty());
   MediaSource actual_source =
       query_result_manager_.GetSourceForCastMode(MediaCastMode::DEFAULT);
   EXPECT_TRUE(actual_source.Empty());
 
   MediaSource source(ForPresentationUrl("http://fooUrl"));
-  EXPECT_CALL(mock_router_, RegisterMediaSinksObserver(_))
-      .WillOnce(Return(true));
+  EXPECT_CALL(mock_router_, RegisterMediaSinksObserver(_)).Times(1);
   query_result_manager_.StartSinksQuery(MediaCastMode::DEFAULT, source);
 
   query_result_manager_.GetSupportedCastModes(&cast_modes);
   EXPECT_EQ(1u, cast_modes.size());
   EXPECT_TRUE(ContainsKey(cast_modes, MediaCastMode::DEFAULT));
   actual_source = query_result_manager_.GetSourceForCastMode(
       MediaCastMode::DEFAULT);
   EXPECT_TRUE(source.Equals(actual_source));
 
   // Register a different source for the same cast mode.
   MediaSource another_source(ForPresentationUrl("http://barUrl"));
   EXPECT_CALL(mock_router_, UnregisterMediaSinksObserver(_)).Times(1);
-  EXPECT_CALL(mock_router_, RegisterMediaSinksObserver(_))
-      .WillOnce(Return(true));
+  EXPECT_CALL(mock_router_, RegisterMediaSinksObserver(_)).Times(1);
   query_result_manager_.StartSinksQuery(
       MediaCastMode::DEFAULT, another_source);
 
   query_result_manager_.GetSupportedCastModes(&cast_modes);
   EXPECT_EQ(1u, cast_modes.size());
   EXPECT_TRUE(ContainsKey(cast_modes, MediaCastMode::DEFAULT));
   actual_source = query_result_manager_.GetSourceForCastMode(
       MediaCastMode::DEFAULT);
   EXPECT_TRUE(another_source.Equals(actual_source));
 
@@ skipping 76 matching lines @@
   // Sinks: [2 -> {TAB_MIRROR}, 3 -> {TAB_MIRROR}, 4 -> {TAB_MIRROR}]
   expected_sinks.clear();
   expected_sinks.push_back(MediaSinkWithCastModes(sink2));
   expected_sinks.back().cast_modes.insert(MediaCastMode::TAB_MIRROR);
   expected_sinks.push_back(MediaSinkWithCastModes(sink3));
   expected_sinks.back().cast_modes.insert(MediaCastMode::TAB_MIRROR);
   expected_sinks.push_back(MediaSinkWithCastModes(sink4));
   expected_sinks.back().cast_modes.insert(MediaCastMode::TAB_MIRROR);
 
   EXPECT_CALL(mock_router_, UnregisterMediaSinksObserver(_)).Times(1);
-  EXPECT_CALL(mock_router_, RegisterMediaSinksObserver(_))
-      .WillOnce(Return(true));
+  EXPECT_CALL(mock_router_, RegisterMediaSinksObserver(_)).Times(1);
   EXPECT_CALL(mock_observer_,
               OnResultsUpdated(VectorEquals(expected_sinks))).Times(1);
   query_result_manager_.StartSinksQuery(
       MediaCastMode::DEFAULT,
       ForPresentationUrl("http://bazurl.com"));
 
   // Action: Remove TAB_MIRROR observer
   // Expected result:
   // Sinks: []
   expected_sinks.clear();
   EXPECT_CALL(mock_observer_,
               OnResultsUpdated(VectorEquals(expected_sinks))).Times(1);
   EXPECT_CALL(mock_router_, UnregisterMediaSinksObserver(_)).Times(1);
   query_result_manager_.StopSinksQuery(MediaCastMode::TAB_MIRROR);
 
   // Remaining observers: DEFAULT observer, which will be removed on destruction
   EXPECT_CALL(mock_router_, UnregisterMediaSinksObserver(_)).Times(1);
 }
 
 }  // namespace media_router