Communicate audio state to renderer process on Android.

content/browser/web_contents/web_contents_impl_unittest.cc

 // Copyright (c) 2012 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 <stdint.h>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 3181 matching lines @@
 
   EXPECT_FALSE(has_audio_power_save_blocker());
   EXPECT_FALSE(has_video_power_save_blocker());
 
   TestRenderFrameHost* rfh = main_test_rfh();
   AudioStreamMonitor* monitor = contents()->audio_stream_monitor();
 
   // Ensure RenderFrame is initialized before simulating events coming from it.
   main_test_rfh()->InitializeRenderFrameIfNeeded();
 
-  // The audio power save blocker should not be based on having a media player
-  // when audio stream monitoring is available.
-  if (AudioStreamMonitor::monitoring_available()) {
-    // Send a fake audio stream monitor notification.  The audio power save
-    // blocker should be created.
-    monitor->set_was_recently_audible_for_testing(true);
-    contents()->NotifyNavigationStateChanged(INVALIDATE_TYPE_TAB);
-    EXPECT_TRUE(has_audio_power_save_blocker());
+  // Send a fake audio stream monitor notification.  The audio power save
+  // blocker should be created.
+  monitor->set_was_recently_audible_for_testing(true);
+  contents()->NotifyNavigationStateChanged(INVALIDATE_TYPE_TAB);
+  EXPECT_TRUE(has_audio_power_save_blocker());
 
-    // Send another fake notification, this time when WasRecentlyAudible() will
-    // be false.  The power save blocker should be released.
-    monitor->set_was_recently_audible_for_testing(false);
-    contents()->NotifyNavigationStateChanged(INVALIDATE_TYPE_TAB);
-    EXPECT_FALSE(has_audio_power_save_blocker());
-  }
+  // Send another fake notification, this time when WasRecentlyAudible() will
+  // be false.  The power save blocker should be released.
+  monitor->set_was_recently_audible_for_testing(false);
+  contents()->NotifyNavigationStateChanged(INVALIDATE_TYPE_TAB);
+  EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Start a player with both audio and video.  A video power save blocker
   // should be created.  If audio stream monitoring is available, an audio power
   // save blocker should be created too.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerAudioVideoId, true, true, false,
       media::MediaContentType::Persistent));
   EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_EQ(has_audio_power_save_blocker(),
-            !AudioStreamMonitor::monitoring_available());
+  EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Upon hiding the video power save blocker should be released.
   contents()->WasHidden();
   EXPECT_FALSE(has_video_power_save_blocker());
 
   // Start another player that only has video.  There should be no change in
   // the power save blockers.  The notification should take into account the
   // visibility state of the WebContents.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerVideoOnlyId, true, false, false,
       media::MediaContentType::Persistent));
   EXPECT_FALSE(has_video_power_save_blocker());
-  EXPECT_EQ(has_audio_power_save_blocker(),
-            !AudioStreamMonitor::monitoring_available());
+  EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Showing the WebContents should result in the creation of the blocker.
   contents()->WasShown();
   EXPECT_TRUE(has_video_power_save_blocker());
 
   // Start another player that only has audio.  There should be no change in
   // the power save blockers.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerAudioOnlyId, false, true, false,
       media::MediaContentType::Persistent));
   EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_EQ(has_audio_power_save_blocker(),
-            !AudioStreamMonitor::monitoring_available());
+  EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Start a remote player. There should be no change in the power save
   // blockers.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerRemoteId, true, true, true,
       media::MediaContentType::Persistent));
   EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_EQ(has_audio_power_save_blocker(),
-            !AudioStreamMonitor::monitoring_available());
+  EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Destroy the original audio video player.  Both power save blockers should
   // remain.
   rfh->OnMessageReceived(
       MediaPlayerDelegateHostMsg_OnMediaPaused(0, kPlayerAudioVideoId, false));
   EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_EQ(has_audio_power_save_blocker(),
-            !AudioStreamMonitor::monitoring_available());
+  EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Destroy the audio only player.  The video power save blocker should remain.
   rfh->OnMessageReceived(
       MediaPlayerDelegateHostMsg_OnMediaPaused(0, kPlayerAudioOnlyId, false));
   EXPECT_TRUE(has_video_power_save_blocker());
   EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Destroy the video only player.  No power save blockers should remain.
   rfh->OnMessageReceived(
       MediaPlayerDelegateHostMsg_OnMediaPaused(0, kPlayerVideoOnlyId, false));
   EXPECT_FALSE(has_video_power_save_blocker());
   EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Destroy the remote player. No power save blockers should remain.
   rfh->OnMessageReceived(
       MediaPlayerDelegateHostMsg_OnMediaPaused(0, kPlayerRemoteId, false));
   EXPECT_FALSE(has_video_power_save_blocker());
   EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Start a player with both audio and video.  A video power save blocker
   // should be created.  If audio stream monitoring is available, an audio power
   // save blocker should be created too.
   rfh->OnMessageReceived(MediaPlayerDelegateHostMsg_OnMediaPlaying(
       0, kPlayerAudioVideoId, true, true, false,
       media::MediaContentType::Persistent));
   EXPECT_TRUE(has_video_power_save_blocker());
-  EXPECT_EQ(has_audio_power_save_blocker(),
-            !AudioStreamMonitor::monitoring_available());
+  EXPECT_FALSE(has_audio_power_save_blocker());
 
   // Crash the renderer.
   main_test_rfh()->GetProcess()->SimulateCrash();
 
   // Verify that all the power save blockers have been released.
   EXPECT_FALSE(has_video_power_save_blocker());
   EXPECT_FALSE(has_audio_power_save_blocker());
 }
 
 TEST_F(WebContentsImplTest, ThemeColorChangeDependingOnFirstVisiblePaint) {
@@ skipping 116 matching lines @@
   // An automatic navigation.
   main_test_rfh()->SendNavigateWithModificationCallback(
       0, true, GURL(url::kAboutBlankURL), base::Bind(SetAsNonUserGesture));
 
   EXPECT_EQ(1u, dialog_manager.reset_count());
 
   contents()->SetJavaScriptDialogManagerForTesting(nullptr);
 }
 
 }  // namespace content