bluetooth: Move mock creation out of BluetoothDispatcherHost to LayoutTestBluetoothAdapterProvider.

content/public/test/layouttest_support.h

Index: content/public/test/layouttest_support.h
diff --git a/content/public/test/layouttest_support.h b/content/public/test/layouttest_support.h
index c8ec1e5d86ad69a13fd41fd1f31464e150e2afd1..0d7cfa9e05f282f1d19cb474ad31f780c190d062 100644
--- a/content/public/test/layouttest_support.h
+++ b/content/public/test/layouttest_support.h
@@ -26,6 +26,10 @@ class WebView;
 class WebURLResponse;
 }
 
+namespace device {
+class BluetoothAdapter;
+}
+
 namespace content {
 
 class PageState;
@@ -94,7 +98,8 @@ void SetDeviceScaleFactor(RenderView* render_view, float factor);
 void SetDeviceColorProfile(RenderView* render_view, const std::string& name);
 
 // Change the bluetooth test adapter while running a layout test.
-void SetBluetoothAdapter(int render_process_id, const std::string& name);
+void SetBluetoothAdapter(int render_process_id,
+                         scoped_refptr<device::BluetoothAdapter> adapter);
 
 // Enables mock geofencing service while running a layout test.
 // |service_available| indicates if the mock service should mock geofencing