Introduce the image_decoder service

services/image_decoder/public/cpp/constants.h

Index: services/image_decoder/public/cpp/constants.h
diff --git a/services/image_decoder/public/cpp/constants.h b/services/image_decoder/public/cpp/constants.h
new file mode 100644
index 0000000000000000000000000000000000000000..9c9029d5ba70f4fb30b81b4f699f3522c7d921b8
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+++ b/services/image_decoder/public/cpp/constants.h
@@ -0,0 +1,14 @@
+// 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.
+
+#ifndef SERVICES_IMAGE_DECODER_PUBLIC_CPP_CONSTANTS_H_
+#define SERVICES_IMAGE_DECODER_PUBLIC_CPP_CONSTANTS_H_
+
+namespace image_decoder {
+
+extern const char kServiceName[];
+
+}  // namespace image_decoder
+
+#endif  // SERVICES_IMAGE_DECODER_PUBLIC_CPP_CONSTANTS_H_