Use NiceMock for MediaSession/AudioFocus tests

content/browser/media/session/media_session_impl_service_routing_unittest.cc

 // Copyright 2016 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 "content/browser/media/session/media_session_impl.h"
 
 #include <map>
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/media/session/media_session_player_observer.h"
 #include "content/browser/media/session/media_session_service_impl.h"
 #include "content/browser/media/session/mock_media_session_observer.h"
 #include "content/test/test_render_view_host.h"
 #include "content/test/test_web_contents.h"
 #include "media/base/media_content_type.h"
 #include "third_party/WebKit/public/platform/modules/mediasession/media_session.mojom.h"
 
 using ::testing::_;
 using ::testing::AnyNumber;
 using ::testing::Eq;
 using ::testing::InvokeWithoutArgs;
+using ::testing::NiceMock;
 
 namespace content {
 
 namespace {
 
 static const int kPlayerId = 0;
 
 class MockMediaSessionServiceImpl : public MediaSessionServiceImpl {
  public:
   explicit MockMediaSessionServiceImpl(RenderFrameHost* rfh)
@@ skipping 42 matching lines @@
 class MediaSessionImplServiceRoutingTest
     : public RenderViewHostImplTestHarness {
  public:
   MediaSessionImplServiceRoutingTest() = default;
   ~MediaSessionImplServiceRoutingTest() override = default;
 
   void SetUp() override {
     RenderViewHostImplTestHarness::SetUp();
 
     contents()->GetMainFrame()->InitializeRenderFrameIfNeeded();
-    mock_media_session_observer_.reset(
-        new MockMediaSessionObserver(MediaSessionImpl::Get(contents())));
+    mock_media_session_observer_.reset(new NiceMock<MockMediaSessionObserver>(
+        MediaSessionImpl::Get(contents())));
     main_frame_ = contents()->GetMainFrame();
     sub_frame_ = main_frame_->AppendChild("sub_frame");
 
     player_in_main_frame_.reset(
         new MockMediaSessionPlayerObserver(main_frame_));
     player_in_sub_frame_.reset(new MockMediaSessionPlayerObserver(sub_frame_));
   }
 
   void TearDown() override {
     mock_media_session_observer_.reset();
     services_.clear();
     clients_.clear();
 
     RenderViewHostImplTestHarness::TearDown();
   }
 
  protected:
   MockMediaSessionObserver* mock_media_session_observer() {
     return mock_media_session_observer_.get();
   }
 
   void CreateServiceForFrame(TestRenderFrameHost* frame) {
-    services_[frame] = base::MakeUnique<MockMediaSessionServiceImpl>(frame);
-    clients_[frame] = base::MakeUnique<MockMediaSessionClient>();
+    services_[frame] =
+        base::MakeUnique<NiceMock<MockMediaSessionServiceImpl>>(frame);
+    clients_[frame] = base::MakeUnique<NiceMock<MockMediaSessionClient>>();
     services_[frame]->SetClient(clients_[frame]->CreateInterfacePtrAndBind());
   }
 
   void DestroyServiceForFrame(TestRenderFrameHost* frame) {
     services_.erase(frame);
     clients_.erase(frame);
   }
 
   MockMediaSessionClient* GetClientForFrame(TestRenderFrameHost* frame) {
     auto iter = clients_.find(frame);
     return (iter != clients_.end()) ? iter->second.get() : nullptr;
   }
 
   void StartPlayerForFrame(TestRenderFrameHost* frame) {
-    players_[frame] = base::MakeUnique<MockMediaSessionPlayerObserver>(frame);
+    players_[frame] =
+        base::MakeUnique<NiceMock<MockMediaSessionPlayerObserver>>(frame);
     MediaSessionImpl::Get(contents())
         ->AddPlayer(players_[frame].get(), kPlayerId,
                     media::MediaContentType::Persistent);
   }
 
   void ClearPlayersForFrame(TestRenderFrameHost* frame) {
     if (!players_.count(frame))
       return;
 
     MediaSessionImpl::Get(contents())
@@ skipping 270 matching lines @@
   CreateServiceForFrame(sub_frame_);
 
   EXPECT_EQ(nullptr, ComputeServiceForRouting());
 
   // This should not crash.
   MediaSessionImpl::Get(contents())
       ->DidReceiveAction(blink::mojom::MediaSessionAction::PAUSE);
 }
 
 }  // namespace content