Eliminate Launchable. Use Navigator instead.

mojo/services/launcher/launcher.cc

Index: mojo/services/launcher/launcher.cc
diff --git a/mojo/services/launcher/launcher.cc b/mojo/services/launcher/launcher.cc
index 01a49832666fbea45f915e6402da7a74f69c1108..b84cd1804dfcbabaa45ab4799615eedd5887a8d7 100644
--- a/mojo/services/launcher/launcher.cc
+++ b/mojo/services/launcher/launcher.cc
@@ -145,9 +145,12 @@ void LaunchInstance::OnReceivedResponse(URLResponsePtr response) {
   std::string content_type = GetContentType(response->headers);
   std::string handler_url = app_->GetHandlerForContentType(content_type);
   if (!handler_url.empty()) {
-    client_->OnLaunch(handler_url,
-                      response.Pass(),
-                      response_body_stream_.Pass());
+    navigation::ResponseDetailsPtr response_details =
+        navigation::ResponseDetails::New();
+    response_details->response = response.Pass();
+    response_details->response_body_stream = response_body_stream_.Pass();
+
+    client_->OnLaunch(handler_url, response_details.Pass());
   }
 }