Notifying the Out of Process Renderer about Visibility Change of a Remote Frame

content/browser/frame_host/cross_process_frame_connector.cc

Index: content/browser/frame_host/cross_process_frame_connector.cc
diff --git a/content/browser/frame_host/cross_process_frame_connector.cc b/content/browser/frame_host/cross_process_frame_connector.cc
index aae77095658467e30fe8227f56b4eff7cbea9a06..1a92ca4130605c4eaa8da66607d3c3402f7dc816 100644
--- a/content/browser/frame_host/cross_process_frame_connector.cc
+++ b/content/browser/frame_host/cross_process_frame_connector.cc
@@ -43,6 +43,7 @@ bool CrossProcessFrameConnector::OnMessageReceived(const IPC::Message& msg) {
                         OnReclaimCompositorResources)
     IPC_MESSAGE_HANDLER(FrameHostMsg_ForwardInputEvent, OnForwardInputEvent)
     IPC_MESSAGE_HANDLER(FrameHostMsg_FrameRectChanged, OnFrameRectChanged)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_VisibilityChanged, OnVisibilityChanged)
     IPC_MESSAGE_HANDLER(FrameHostMsg_InitializeChildFrame,
                         OnInitializeChildFrame)
     IPC_MESSAGE_HANDLER(FrameHostMsg_SatisfySequence, OnSatisfySequence)
@@ -216,6 +217,12 @@ void CrossProcessFrameConnector::OnFrameRectChanged(
     SetSize(frame_rect);
 }
 
+void CrossProcessFrameConnector::OnVisibilityChanged(bool visible) {
+  if (!view_)
+    return;
+  view_->SetVisibility(visible);
+}
+
 void CrossProcessFrameConnector::SetDeviceScaleFactor(float scale_factor) {
   device_scale_factor_ = scale_factor;
   // The RenderWidgetHost is null in unit tests.