bluetooth: Move mock creation out of BluetoothDispatcherHost to LayoutTestBluetoothAdapterProvider.

device/bluetooth/test/mock_bluetooth_adapter.h

Index: device/bluetooth/test/mock_bluetooth_adapter.h
diff --git a/device/bluetooth/test/mock_bluetooth_adapter.h b/device/bluetooth/test/mock_bluetooth_adapter.h
index e1523f9a6eb5793153290d1814994da3e30ef026..7f946c5966d875095d6a787c79ce4be7aa7f3bf7 100644
--- a/device/bluetooth/test/mock_bluetooth_adapter.h
+++ b/device/bluetooth/test/mock_bluetooth_adapter.h
@@ -8,10 +8,12 @@
 #include <string>
 
 #include "base/callback.h"
+#include "base/memory/scoped_vector.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_audio_sink.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_discovery_session.h"
+#include "device/bluetooth/test/mock_bluetooth_device.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace device {
@@ -99,6 +101,12 @@ class MockBluetoothAdapter : public BluetoothAdapter {
       const DiscoverySessionCallback& callback,
       const ErrorCallback& error_callback);
 
+  // BluetoothAdapter is supposed to manage the lifetime of BluetoothDevices.
+  // This methods takes ownership of the BluetoothDevices.
+  void SetMockDevices(std::vector<MockBluetoothDevice*> mock_devices);
+
+  BluetoothAdapter::ConstDeviceList GetMockDevices();
+
  protected:
   void AddDiscoverySession(BluetoothDiscoveryFilter* discovery_filter,
                            const base::Closure& callback,
@@ -117,6 +125,8 @@ class MockBluetoothAdapter : public BluetoothAdapter {
 
   MOCK_METHOD1(RemovePairingDelegateInternal,
                void(BluetoothDevice::PairingDelegate* pairing_delegate));
+
+  ScopedVector<MockBluetoothDevice> mock_devices_;
 };
 
 }  // namespace device