Move sky_viewer into services/sky

sky/viewer/converters/basic_types.cc

-// Copyright 2014 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.
-
-#include "sky/viewer/converters/basic_types.h"
-
-#include "mojo/public/cpp/bindings/string.h"
-#include "sky/engine/public/platform/WebString.h"
-
-using blink::WebString;
-
-namespace mojo {
-
-// static
-String TypeConverter<String, WebString>::Convert(const WebString& str) {
-  return String(str.utf8());
-}
-
-// static
-WebString TypeConverter<WebString, String>::Convert(const String& str) {
-  return WebString::fromUTF8(str.get());
-}
-
-}  // namespace mojo