Make MediaSession a runtime-enabled feature on Desktop.

content/browser/media/android/media_session_controller_unittest.cc

Index: content/browser/media/android/media_session_controller_unittest.cc
diff --git a/content/browser/media/android/media_session_controller_unittest.cc b/content/browser/media/android/media_session_controller_unittest.cc
deleted file mode 100644
index be56ccb31fb0b3bd72bde5daa8887a33da0e2e2e..0000000000000000000000000000000000000000
--- a/content/browser/media/android/media_session_controller_unittest.cc
+++ /dev/null
@@ -1,216 +0,0 @@
-// 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 "base/tuple.h"
-#include "content/browser/media/android/media_session.h"
-#include "content/browser/media/android/media_session_controller.h"
-#include "content/browser/media/android/media_web_contents_observer_android.h"
-#include "content/common/media/media_player_delegate_messages.h"
-#include "content/test/test_render_view_host.h"
-#include "content/test/test_web_contents.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-class MediaSessionControllerTest : public RenderViewHostImplTestHarness {
- public:
-  void SetUp() override {
-    RenderViewHostImplTestHarness::SetUp();
-    id_ = WebContentsObserver::MediaPlayerId(contents()->GetMainFrame(), 0);
-    observer_ = MediaWebContentsObserverAndroid::FromWebContents(contents());
-    controller_ = CreateController();
-  }
-
-  void TearDown() override {
-    // Destruct the controller prior to any other teardown to avoid out of order
-    // destruction relative to the MediaSession instance.
-    controller_.reset();
-    RenderViewHostImplTestHarness::TearDown();
-  }
-
- protected:
-  scoped_ptr<MediaSessionController> CreateController() {
-    return scoped_ptr<MediaSessionController>(
-        new MediaSessionController(id_, observer_));
-  }
-
-  MediaSession* media_session() { return MediaSession::Get(contents()); }
-
-  IPC::TestSink& test_sink() { return main_test_rfh()->GetProcess()->sink(); }
-
-  void Suspend() {
-    controller_->OnSuspend(controller_->get_player_id_for_testing());
-  }
-
-  void Resume() {
-    controller_->OnResume(controller_->get_player_id_for_testing());
-  }
-
-  void SetVolumeMultiplier(double multiplier) {
-    controller_->OnSetVolumeMultiplier(controller_->get_player_id_for_testing(),
-                                       multiplier);
-  }
-
-  // Returns a duration long enough for a media session instance to be created.
-  base::TimeDelta DurationJustRight() {
-    return base::TimeDelta::FromSeconds(
-        MediaSessionController::kMinimumDurationForContentSecs + 1);
-  }
-
-  // Returns a duration too short for a media session instance.
-  base::TimeDelta DurationTooShort() {
-    return base::TimeDelta::FromSeconds(
-        MediaSessionController::kMinimumDurationForContentSecs);
-  }
-
-  template <typename T>
-  bool ReceivedMessagePlayPause() {
-    const IPC::Message* msg = test_sink().GetUniqueMessageMatching(T::ID);
-    if (!msg)
-      return false;
-
-    base::Tuple<int> result;
-    if (!T::Read(msg, &result))
-      return false;
-
-    EXPECT_EQ(id_.second, base::get<0>(result));
-    test_sink().ClearMessages();
-    return id_.second == base::get<0>(result);
-  }
-
-  template <typename T>
-  bool ReceivedMessageVolumeMultiplierUpdate(double expected_multiplier) {
-    const IPC::Message* msg = test_sink().GetUniqueMessageMatching(T::ID);
-    if (!msg)
-      return false;
-
-    base::Tuple<int, double> result;
-    if (!T::Read(msg, &result))
-      return false;
-
-    EXPECT_EQ(id_.second, base::get<0>(result));
-    if (id_.second != base::get<0>(result))
-      return false;
-
-    EXPECT_EQ(expected_multiplier, base::get<1>(result));
-    test_sink().ClearMessages();
-    return expected_multiplier == base::get<1>(result);
-  }
-
-  WebContentsObserver::MediaPlayerId id_;
-  MediaWebContentsObserverAndroid* observer_;
-  scoped_ptr<MediaSessionController> controller_;
-};
-
-TEST_F(MediaSessionControllerTest, NoAudioNoSession) {
-  ASSERT_TRUE(controller_->Initialize(false, false, DurationJustRight()));
-  EXPECT_TRUE(media_session()->IsSuspended());
-  EXPECT_FALSE(media_session()->IsControllable());
-}
-
-TEST_F(MediaSessionControllerTest, IsRemoteNoSession) {
-  ASSERT_TRUE(controller_->Initialize(true, true, DurationJustRight()));
-  EXPECT_TRUE(media_session()->IsSuspended());
-  EXPECT_FALSE(media_session()->IsControllable());
-}
-
-TEST_F(MediaSessionControllerTest, TooShortNoControllableSession) {
-  ASSERT_TRUE(controller_->Initialize(true, false, DurationTooShort()));
-  EXPECT_FALSE(media_session()->IsSuspended());
-  EXPECT_FALSE(media_session()->IsControllable());
-}
-
-TEST_F(MediaSessionControllerTest, BasicControls) {
-  ASSERT_TRUE(controller_->Initialize(true, false, DurationJustRight()));
-  EXPECT_FALSE(media_session()->IsSuspended());
-  EXPECT_TRUE(media_session()->IsControllable());
-
-  // Verify suspend notifies the renderer and maintains its session.
-  Suspend();
-  EXPECT_TRUE(ReceivedMessagePlayPause<MediaPlayerDelegateMsg_Pause>());
-
-  // Likewise verify the resume behavior.
-  Resume();
-  EXPECT_TRUE(ReceivedMessagePlayPause<MediaPlayerDelegateMsg_Play>());
-
-  // Verify destruction of the controller removes its session.
-  controller_.reset();
-  EXPECT_TRUE(media_session()->IsSuspended());
-  EXPECT_FALSE(media_session()->IsControllable());
-}
-
-TEST_F(MediaSessionControllerTest, VolumeMultiplier) {
-  ASSERT_TRUE(controller_->Initialize(true, false, DurationJustRight()));
-  EXPECT_FALSE(media_session()->IsSuspended());
-  EXPECT_TRUE(media_session()->IsControllable());
-
-  // Upon creation of the MediaSession the default multiplier will be sent.
-  EXPECT_TRUE(ReceivedMessageVolumeMultiplierUpdate<
-              MediaPlayerDelegateMsg_UpdateVolumeMultiplier>(1.0));
-
-  // Verify a different volume multiplier is sent.
-  const double kTestMultiplier = 0.5;
-  SetVolumeMultiplier(kTestMultiplier);
-  EXPECT_TRUE(ReceivedMessageVolumeMultiplierUpdate<
-              MediaPlayerDelegateMsg_UpdateVolumeMultiplier>(kTestMultiplier));
-}
-
-TEST_F(MediaSessionControllerTest, ControllerSidePause) {
-  ASSERT_TRUE(controller_->Initialize(true, false, DurationJustRight()));
-  EXPECT_FALSE(media_session()->IsSuspended());
-  EXPECT_TRUE(media_session()->IsControllable());
-
-  // Verify pause behavior.
-  controller_->OnPlaybackPaused();
-  EXPECT_TRUE(media_session()->IsSuspended());
-  EXPECT_TRUE(media_session()->IsControllable());
-
-  // Verify the next Initialize() call restores the session.
-  ASSERT_TRUE(controller_->Initialize(true, false, DurationJustRight()));
-  EXPECT_FALSE(media_session()->IsSuspended());
-  EXPECT_TRUE(media_session()->IsControllable());
-}
-
-TEST_F(MediaSessionControllerTest, Reinitialize) {
-  ASSERT_TRUE(controller_->Initialize(false, false, DurationJustRight()));
-  EXPECT_TRUE(media_session()->IsSuspended());
-  EXPECT_FALSE(media_session()->IsControllable());
-
-  // Create a transient type session.
-  ASSERT_TRUE(controller_->Initialize(true, false, DurationTooShort()));
-  EXPECT_FALSE(media_session()->IsSuspended());
-  EXPECT_FALSE(media_session()->IsControllable());
-  const int current_player_id = controller_->get_player_id_for_testing();
-
-  // Reinitialize the session as a content type.
-  ASSERT_TRUE(controller_->Initialize(true, false, DurationJustRight()));
-  EXPECT_FALSE(media_session()->IsSuspended());
-  EXPECT_TRUE(media_session()->IsControllable());
-  // Player id should not change when there's an active session.
-  EXPECT_EQ(current_player_id, controller_->get_player_id_for_testing());
-
-  // Verify suspend notifies the renderer and maintains its session.
-  Suspend();
-  EXPECT_TRUE(ReceivedMessagePlayPause<MediaPlayerDelegateMsg_Pause>());
-
-  // Likewise verify the resume behavior.
-  Resume();
-  EXPECT_TRUE(ReceivedMessagePlayPause<MediaPlayerDelegateMsg_Play>());
-
-  // Attempt to switch to no audio player, which should do nothing.
-  // TODO(dalecurtis): Delete this test once we're no longer using WMPA and
-  // the BrowserMediaPlayerManagers.  Tracked by http://crbug.com/580626
-  ASSERT_TRUE(controller_->Initialize(false, false, DurationJustRight()));
-  EXPECT_FALSE(media_session()->IsSuspended());
-  EXPECT_TRUE(media_session()->IsControllable());
-  EXPECT_EQ(current_player_id, controller_->get_player_id_for_testing());
-
-  // Switch to a remote player, which should release the session.
-  ASSERT_TRUE(controller_->Initialize(true, true, DurationJustRight()));
-  EXPECT_TRUE(media_session()->IsSuspended());
-  EXPECT_FALSE(media_session()->IsControllable());
-  EXPECT_EQ(current_player_id, controller_->get_player_id_for_testing());
-}
-
-}  // namespace content