work in progress 2

content/shell/browser/layout_test/layout_test_bluetooth_adapter_provider.cc

Index: content/shell/browser/layout_test/layout_test_bluetooth_adapter_provider.cc
diff --git a/content/shell/browser/layout_test/layout_test_bluetooth_adapter_provider.cc b/content/shell/browser/layout_test/layout_test_bluetooth_adapter_provider.cc
index 9dd447ef1fcd710ffbf8d06c2ded1b310e7f529d..017eeaa856a48ba22274a648644263251e64dc11 100644
--- a/content/shell/browser/layout_test/layout_test_bluetooth_adapter_provider.cc
+++ b/content/shell/browser/layout_test/layout_test_bluetooth_adapter_provider.cc
@@ -279,6 +279,9 @@ LayoutTestBluetoothAdapterProvider::GetBluetoothAdapter(
     return GetDevicesRemovedAdapter();
   if (fake_adapter_name == "DelayedServicesDiscoveryAdapter")
     return GetDelayedServicesDiscoveryAdapter();
+// DJKim
+  if (fake_adapter_name == "StopDiscoveryAdapterDiscoveringChanged")
+    return GetStopDiscoveryAdapterDiscoveringChanged();
   if (fake_adapter_name.empty())
     return nullptr;
   // New adapters that can be used when fuzzing the Web Bluetooth API
@@ -1736,6 +1739,29 @@ LayoutTestBluetoothAdapterProvider::GetErrorCharacteristic(
   return characteristic;
 }
 
+// static
+scoped_refptr<NiceMockBluetoothAdapter>
+LayoutTestBluetoothAdapterProvider::GetStopDiscoveryAdapterDiscoveringChanged() {
+  scoped_refptr<NiceMockBluetoothAdapter> adapter(GetPoweredAdapter());
+  NiceMockBluetoothAdapter* adapter_ptr = adapter.get();
+
+  EXPECT_CALL(*adapter, StartDiscoverySessionWithFilterRaw(_, _, _))
+      .WillOnce(RunCallbackWithResult<1 /* success_callback */>(
+          []() { return GetDiscoverySession(); }))
+      .WillOnce(
+          RunCallbackWithResult<1 /* success_callback */>([adapter_ptr]() {
+            // In the second discovery session, have the adapter discover a new
+            // device, shortly after the session starts.
+            base::ThreadTaskRunnerHandle::Get()->PostTask(
+                FROM_HERE,
+                base::Bind(&AddDevice, make_scoped_refptr(adapter_ptr),
+                           base::Passed(GetHeartRateDevice(adapter_ptr))));
+            return GetDiscoverySession();
+          }));
+
+  return adapter;
+}
+
 // Notify sessions
 
 // static