Adds a way to determine id of content handler that created app

mojo/runner/native_runner_unittest.cc

Index: mojo/runner/native_runner_unittest.cc
diff --git a/mojo/runner/native_runner_unittest.cc b/mojo/runner/native_runner_unittest.cc
index f7176423bf2fd9ce7ad279471459038ba3dadbb8..165c1f5474696dc590487ac1515416c25f4b5c91 100644
--- a/mojo/runner/native_runner_unittest.cc
+++ b/mojo/runner/native_runner_unittest.cc
@@ -104,9 +104,10 @@ TEST_F(NativeApplicationLoaderTest, DoesNotExist) {
   mojo::URLRequestPtr request(mojo::URLRequest::New());
   request->url = mojo::String::From(url.spec());
   application_manager_.ConnectToApplication(
-      nullptr, request.Pass(), std::string(), GURL(), services.Pass(),
+      nullptr, request.Pass(), std::string(), GURL(),
+      shell::ApplicationManager::kInvalidContentHandlerID, services.Pass(),
       service_provider.Pass(), shell::GetPermissiveCapabilityFilter(),
-      base::Closure());
+      base::Closure(), shell::EmptyConnectCallback());
   EXPECT_FALSE(state_.runner_was_created);
   EXPECT_FALSE(state_.runner_was_started);
   EXPECT_FALSE(state_.runner_was_destroyed);