[PresentationSevice] Use PresentationConnection to send messages from

chrome/browser/media/router/test_helper.h

Index: chrome/browser/media/router/test_helper.h
diff --git a/chrome/browser/media/router/test_helper.h b/chrome/browser/media/router/test_helper.h
index 9ab1c5a29f513d11803122e2f656ce56403b0b4e..c9a2d9309a683e14982869a88a81c785ea42d8b0 100644
--- a/chrome/browser/media/router/test_helper.h
+++ b/chrome/browser/media/router/test_helper.h
@@ -78,6 +78,26 @@ class MockMediaRoutesObserver : public MediaRoutesObserver {
       const std::vector<MediaRoute::Id>& joinable_route_ids));
 };
 
+class MockPresentationConnectionProxy
+    : public NON_EXPORTED_BASE(blink::mojom::PresentationConnection) {
+ public:
+  // PresentationConnectionMessage is move-only.
+  // TODO(crbug.com/729950): Use MOCK_METHOD directly once GMock gets the
+  // move-only type support.
+  MockPresentationConnectionProxy();
+  ~MockPresentationConnectionProxy() override;
+  void OnMessage(content::PresentationConnectionMessage message,
+                 OnMessageCallback cb) {
+    OnMessageInternal(message, cb);
+  }
+  MOCK_METHOD2(OnMessageInternal,
+               void(const content::PresentationConnectionMessage&,
+                    OnMessageCallback&));
+  MOCK_METHOD1(DidChangeState,
+               void(content::PresentationConnectionState state));
+  MOCK_METHOD0(OnClose, void());
+};
+
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_TEST_HELPER_H_