Window capture stop draw cursor when it points to the hidden content.

content/browser/media/capture/aura_window_capture_machine.cc

Index: content/browser/media/capture/aura_window_capture_machine.cc
diff --git a/content/browser/media/capture/aura_window_capture_machine.cc b/content/browser/media/capture/aura_window_capture_machine.cc
index 9d2de8880746d9a3d29d56c2d791c391f5264d2f..e5019f7d2af1a9a36d62a3c69ae57da733cf2c43 100644
--- a/content/browser/media/capture/aura_window_capture_machine.cc
+++ b/content/browser/media/capture/aura_window_capture_machine.cc
@@ -30,6 +30,7 @@
 #include "ui/compositor/dip_util.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/screen.h"
+#include "ui/wm/public/activation_client.h"
 
 namespace content {
 
@@ -413,6 +414,16 @@ gfx::Point AuraWindowCaptureMachine::UpdateCursorState(
     return gfx::Point();
   }
 
+  aura::client::ActivationClient* activation_client =
+      aura::client::GetActivationClient(desktop_window_->GetRootWindow());
+  DCHECK(activation_client);
+  aura::Window* active_window = activation_client->GetActiveWindow();
+  if (!desktop_window_->Contains(active_window)) {
+    // Return early if the target window is not active.
+    ClearCursorState();
+    return gfx::Point();
+  }
+
   gfx::NativeCursor cursor = desktop_window_->GetHost()->last_cursor();
   gfx::Point cursor_hot_point;
   if (last_cursor_ != cursor ||