Adds WindowManagerManager to mus

components/mus/ws/client_connection.h

Index: components/mus/ws/client_connection.h
diff --git a/components/mus/ws/client_connection.h b/components/mus/ws/client_connection.h
index 4227977caca067ac55f53a6273b2de5367ca20a1..b692b8d5a98e4a98ab910e11777295f8974aeed6 100644
--- a/components/mus/ws/client_connection.h
+++ b/components/mus/ws/client_connection.h
@@ -43,13 +43,19 @@ class ClientConnection {
 // Bindings implementation of ClientConnection.
 class DefaultClientConnection : public ClientConnection {
  public:
-  DefaultClientConnection(
-      scoped_ptr<WindowTreeImpl> service_impl,
-      ConnectionManager* connection_manager,
-      mojo::InterfaceRequest<mojom::WindowTree> service_request,
-      mojom::WindowTreeClientPtr client);
+  DefaultClientConnection(scoped_ptr<WindowTreeImpl> service_impl,
+                          ConnectionManager* connection_manager,
+                          mojom::WindowTreeRequest service_request,
+                          mojom::WindowTreeClientPtr client);
+  DefaultClientConnection(scoped_ptr<WindowTreeImpl> service_impl,
+                          ConnectionManager* connection_manager,
+                          mojom::WindowTreeClientPtr client);
   ~DefaultClientConnection() override;
 
+  // Use when created with the constructor that does not take a
+  // WindowTreeRequest.
+  mojom::WindowTreePtr CreateInterfacePtrAndBind();
+
   // ClientConnection:
   mojom::WindowManager* GetWindowManager() override;
   void SetIncomingMethodCallProcessingPaused(bool paused) override;