Mandoline: Move ContentHandlerConnection into separate file

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 53a67663af5649b20266e66f6dbddf7891deac3e..8120e5272915afe3b4b09b70b768028141823e62 100644
--- a/mojo/runner/native_runner_unittest.cc
+++ b/mojo/runner/native_runner_unittest.cc
@@ -97,8 +97,8 @@ TEST_F(NativeApplicationLoaderTest, DoesNotExist) {
   mojo::URLRequestPtr request(mojo::URLRequest::New());
   request->url = mojo::String::From(url.spec());
   application_manager_.ConnectToApplication(
-      request.Pass(), GURL(), services.Pass(), service_provider.Pass(),
-      base::Closure());
+      request.Pass(), std::string(), GURL(), services.Pass(),
+      service_provider.Pass(), base::Closure());
   EXPECT_FALSE(state_.runner_was_created);
   EXPECT_FALSE(state_.runner_was_started);
   EXPECT_FALSE(state_.runner_was_destroyed);