[Presentation API] (5th) (1-UA) integrate controller and receiver side for 1-UA messaging

content/renderer/presentation/test_presentation_connection.h

Index: content/renderer/presentation/test_presentation_connection.h
diff --git a/content/renderer/presentation/test_presentation_connection.h b/content/renderer/presentation/test_presentation_connection.h
index 16ba3cdd1517b275754580fdfd80f59e80b03dab..b7518b68870014c6f4cd644b15f86ae697dc1388 100644
--- a/content/renderer/presentation/test_presentation_connection.h
+++ b/content/renderer/presentation/test_presentation_connection.h
@@ -25,6 +25,8 @@ class TestPresentationConnection : public blink::WebPresentationConnection {
                void(const uint8_t* data, size_t length));
   MOCK_METHOD1(didChangeState, void(blink::WebPresentationConnectionState));
 
+  blink::WebPresentationConnectionProxy* proxy();
+
  private:
   std::unique_ptr<blink::WebPresentationConnectionProxy> proxy_;
 };