[Media, Video] Enable the video track for a new renderer.

media/blink/webmediaplayer_impl_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 "media/blink/webmediaplayer_impl.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 231 matching lines @@
 
   void SetupForResumingBackgroundVideo() {
 #if !defined(OS_ANDROID)
     // Need to enable media suspend to test resuming background videos.
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kEnableMediaSuspend);
 #endif  // !defined(OS_ANDROID)
     scoped_feature_list_.InitAndEnableFeature(kResumeBackgroundVideo);
   }
 
+  void SetBackgroundVideoOptimization(bool enable) {
+    if (enable) {
+      scoped_feature_list_.InitAndEnableFeature(
+          kBackgroundVideoTrackOptimization);
+    } else {
+      scoped_feature_list_.InitAndDisableFeature(
+          kBackgroundVideoTrackOptimization);
+    }
+  }
+
+  bool ShouldDisableVideoWhenHidden() const {
+    return wmpi_->ShouldDisableVideoWhenHidden();
+  }
+
   // "Renderer" thread.
   base::MessageLoop message_loop_;
 
   // "Media" thread. This is necessary because WMPI destruction waits on a
   // WaitableEvent.
   base::Thread media_thread_;
 
   // Blink state.
   blink::WebFrameClient web_frame_client_;
   blink::WebView* web_view_;
@@ skipping 486 matching lines @@
 
   EXPECT_CALL(delegate_, DidPlay(_, true, false, false, _));
   client_.set_is_autoplaying_muted(true);
   SetDelegateState(WebMediaPlayerImpl::DelegateState::PLAYING);
 
   EXPECT_CALL(delegate_, DidPlay(_, true, true, false, _));
   client_.set_is_autoplaying_muted(false);
   wmpi_->setVolume(1.0);
 }
 
+TEST_F(WebMediaPlayerImplTest, ShouldDisableVideoWhenHidden) {
+  InitializeWebMediaPlayerImpl();
+  EXPECT_CALL(delegate_, IsHidden()).WillRepeatedly(Return(true));
+  SetBackgroundVideoOptimization(true);
+
+  SetMetadata(true, true);
+  EXPECT_TRUE(ShouldDisableVideoWhenHidden());
+
+  SetMetadata(false, true);
+  EXPECT_FALSE(ShouldDisableVideoWhenHidden());
+
+  SetMetadata(true, false);
+  EXPECT_FALSE(ShouldDisableVideoWhenHidden());
+}
+
+TEST_F(WebMediaPlayerImplTest, ShouldDisableVideoWhenHiddenFeatureDisabled) {
+  InitializeWebMediaPlayerImpl();
+  EXPECT_CALL(delegate_, IsHidden()).WillRepeatedly(Return(true));
+  SetBackgroundVideoOptimization(false);
+
+  SetMetadata(true, true);
+  EXPECT_FALSE(ShouldDisableVideoWhenHidden());
+}
+
 }  // namespace media