bluetooth: Initial simple mock content::WebBluetoothImpl.

content/shell/renderer/layout_test/webkit_test_runner.cc

Index: content/shell/renderer/layout_test/webkit_test_runner.cc
diff --git a/content/shell/renderer/layout_test/webkit_test_runner.cc b/content/shell/renderer/layout_test/webkit_test_runner.cc
index 717e564ebe47a401b0b4d5bf200bba2f9b822c0f..0bda738056669bf608b6412106b20fa9c36ed6b0 100644
--- a/content/shell/renderer/layout_test/webkit_test_runner.cc
+++ b/content/shell/renderer/layout_test/webkit_test_runner.cc
@@ -444,6 +444,10 @@ void WebKitTestRunner::SetDeviceColorProfile(const std::string& name) {
   content::SetDeviceColorProfile(render_view(), name);
 }
 
+void WebKitTestRunner::SetBluetoothMockDataSet(const std::string& name) {
+  content::SetBluetoothMockDataSetForTesting(name);
+}
+
 void WebKitTestRunner::SetFocus(WebTestProxyBase* proxy, bool focus) {
   ProxyToRenderViewVisitor visitor(proxy);
   RenderView::ForEach(&visitor);