Disable idle suspend for Chromecast

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index 954ccbd11c7b16516491f80faa5fa772d4b6ba89..222443112511b73d568a29bc2b77f45b68c97e16 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -1458,11 +1458,12 @@ void WebMediaPlayerImpl::SetSuspendState(bool is_suspended) {
   if (IsNetworkStateError(network_state_))
     return;
 
-#if defined(OS_MACOSX) || defined(OS_WIN)
-  // TODO(sandersd): Idle suspend is disabled on OSX and Windows for hardware
-  // decoding / opaque video frames since these frames are owned by the decoder
-  // in the GPU process. http://crbug.com/595716 and http://crbug.com/602708
   if (can_suspend_state_ == CanSuspendState::UNKNOWN) {
+#if defined(OS_MACOSX) || defined(OS_WIN)
+    // TODO(sandersd): Idle suspend is disabled on OSX and Windows for hardware
+    // decoding / opaque video frames since these frames are owned by the
+    // decoder in the GPU process. http://crbug.com/595716 and
+    // http://crbug.com/602708
     scoped_refptr<VideoFrame> frame = GetCurrentFrameFromCompositor();
     if (frame) {
       can_suspend_state_ =
@@ -1470,12 +1471,12 @@ void WebMediaPlayerImpl::SetSuspendState(bool is_suspended) {
               ? CanSuspendState::NO
               : CanSuspendState::YES;
     }
-  }
 #else
-  can_suspend_state_ = CanSuspendState::YES;
+    can_suspend_state_ = CanSuspendState::YES;
 #endif
+  }
 
-  if (can_suspend_state_ == CanSuspendState::NO)
+  if (can_suspend_state_ == CanSuspendState::NO || !pipeline_.CanSuspend())

[sandersd (OOO until July 31), 2016/05/23 18:41:58]

We should probably allow Resume() even if the pipeline cannot be suspended, in
case some state gets out of sync. (c.f. comment in PipelineImpl)

     return;
 
   if (is_suspended) {