Fix duplicate names on completion items (#262)
Fix duplicate names on completion items (#262)


google/playground-elements,google/playground-elements,PolymerLabs/code-sample-editor,PolymerLabs/code-sample-editor,PolymerLabs/code-sample-editor-package,PolymerLabs/code-sample-editor,PolymerLabs/code-sample-editor-package,PolymerLabs/code-sample-editor-package,google/playground-elements