Enhance chrome.app.window API for shelf integration with pinning support (cont.)

ash/test/test_shelf_delegate.cc

Index: ash/test/test_shelf_delegate.cc
diff --git a/ash/test/test_shelf_delegate.cc b/ash/test/test_shelf_delegate.cc
index 068e44c32cf5373c4c0ae43229cf3d27f0d8a84a..576b656b710c3bd8b2142dc92c061ee9b98328c3 100644
--- a/ash/test/test_shelf_delegate.cc
+++ b/ash/test/test_shelf_delegate.cc
@@ -112,6 +112,11 @@ const std::string& TestShelfDelegate::GetAppIDForShelfID(ShelfID id) {
   return shelf_id_to_app_id_map_[id];
 }
 
+const std::string& TestShelfDelegate::GetLaunchIDForShelfID(ShelfID id) {
+  DCHECK_GT(shelf_id_to_app_id_map_.count(id), 0u);
+  return base::EmptyString();
+}
+
 void TestShelfDelegate::PinAppWithID(const std::string& app_id) {
   pinned_apps_.insert(app_id);
 }