Handle interfaces with a ServiceName in the go bindings generator.

mojom/generators/go/templates/interfaces_test.go

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package templates
 
 import (
         "testing"
 
         "mojom/generators/go/translator"
@@ skipping 46 matching lines @@
 
 func TestMethodOrdinals(t *testing.T) {
         expected := `const someInterface_FirstMethod_Ordinal uint32 = 10
 const someInterface_SecondMethod_Ordinal uint32 = 21
 `
 
         i := testInterfaceTemplate()
 
         check(t, expected, "MethodOrdinals", i)
 }
+
+func TestServiceName(t *testing.T) {
+        expected := `const someInterface_Name string = "SomeService"
+
+func (r *SomeInterface_Request) Name() string {
+        return someInterface_Name
+}
+
+func (p *SomeInterface_Pointer) Name() string {
+        return someInterface_Name
+}
+
+func (f *SomeInterface_ServiceFactory) Name() string {
+        return someInterface_Name
+}`
+
+        serviceName := "SomeService"
+        i := translator.InterfaceTemplate{
+                Name:        "SomeInterface",
+                PrivateName: "someInterface",
+                ServiceName: &serviceName,
+        }
+
+        check(t, expected, "ServiceDecl", i)
+}