[Video] MediaSession API event handlers can resume background video.

content/renderer/media/renderer_webmediaplayer_delegate_browsertest.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 <tuple>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/run_loop.h"
@@ skipping 51 matching lines @@
   }
 
   void TearDown() override {
     delegate_manager_.reset();
     RenderViewTest::TearDown();
   }
 
  protected:
   IPC::TestSink& test_sink() { return render_thread_->sink(); }
 
-  void SetBackgroundVideoPlaybackUnlocked(bool is_unlocked) {
-    delegate_manager_->background_video_allowed_ = is_unlocked;
-  }
-
   void CallOnMediaDelegatePlay(int delegate_id) {
     delegate_manager_->OnMediaDelegatePlay(delegate_id);
   }
 
   void CallOnMediaDelegatePause(int delegate_id) {
     delegate_manager_->OnMediaDelegatePause(delegate_id);
   }
 
   void SetIsLowEndDeviceForTesting() {
     delegate_manager_->SetIdleCleanupParamsForTesting(kIdleTimeout,
@@ skipping 182 matching lines @@
 
   // Once the player is idle, it should be suspended after |kIdleTimeout|.
   delegate_manager_->SetIdle(delegate_id_1, true);
   {
     EXPECT_CALL(observer_1_, OnIdleTimeout());
     tick_clock_.Advance(kIdleTimeout + base::TimeDelta::FromMicroseconds(1));
     RunLoopOnce();
   }
 }
 
-TEST_F(RendererWebMediaPlayerDelegateTest, IsBackgroundVideoPlaybackUnlocked) {
-  NiceMock<MockWebMediaPlayerDelegateObserver> observer;
-  int delegate_id = delegate_manager_->AddObserver(&observer);
-  EXPECT_FALSE(delegate_manager_->IsBackgroundVideoPlaybackUnlocked());
-
-  // Showing the frame always clears the flag.
-  SetBackgroundVideoPlaybackUnlocked(true);
-  delegate_manager_->WasShown();
-  EXPECT_FALSE(delegate_manager_->IsBackgroundVideoPlaybackUnlocked());
-
-  // Pausing a currently playing video clears the flag.
-  delegate_manager_->DidPlay(delegate_id, true, true,
-                             MediaContentType::Persistent);
-  SetBackgroundVideoPlaybackUnlocked(true);
-  CallOnMediaDelegatePause(delegate_id);
-  EXPECT_FALSE(delegate_manager_->IsBackgroundVideoPlaybackUnlocked());
-
-  // TODO(avayvod): this test can't mock the IsFrameHidden() method.
-  // Just test that the value changes or doesn't depending on whether the video
-  // is currently playing.
-  if (delegate_manager_->IsFrameHidden()) {
-    SetBackgroundVideoPlaybackUnlocked(false);
-    CallOnMediaDelegatePlay(delegate_id);
-    EXPECT_TRUE(delegate_manager_->IsBackgroundVideoPlaybackUnlocked());
-    CallOnMediaDelegatePause(delegate_id);
-    EXPECT_FALSE(delegate_manager_->IsBackgroundVideoPlaybackUnlocked());
-  } else {
-    SetBackgroundVideoPlaybackUnlocked(false);
-    CallOnMediaDelegatePlay(delegate_id);
-    EXPECT_FALSE(delegate_manager_->IsBackgroundVideoPlaybackUnlocked());
-    CallOnMediaDelegatePause(delegate_id);
-    EXPECT_FALSE(delegate_manager_->IsBackgroundVideoPlaybackUnlocked());
-  }
-}
-
 #if defined(OS_ANDROID)
 
 TEST_F(RendererWebMediaPlayerDelegateTest, Histograms) {
   NiceMock<MockWebMediaPlayerDelegateObserver> observer;
   int delegate_id = delegate_manager_->AddObserver(&observer);
   base::HistogramTester histogram_tester;
   histogram_tester.ExpectTotalCount("Media.Android.BackgroundVideoTime", 0);
 
   // Play/pause while not hidden doesn't record anything.
   delegate_manager_->DidPlay(delegate_id, true, true,
@@ skipping 18 matching lines @@
                              MediaContentType::Persistent);
   RunLoopOnce();
   delegate_manager_->SetFrameHiddenForTesting(false);
   RunLoopOnce();
   histogram_tester.ExpectTotalCount("Media.Android.BackgroundVideoTime", 2);
 }
 
 #endif  // OS_ANDROID
 
 }  // namespace media