Load application manifests from resources

mojo/services/catalog/manifest_provider.h

Index: mojo/services/catalog/manifest_provider.h
diff --git a/mojo/services/catalog/manifest_provider.h b/mojo/services/catalog/manifest_provider.h
new file mode 100644
index 0000000000000000000000000000000000000000..f3cf1018cc0aca16d1ac6a8b8d406b19f5b8885b
--- /dev/null
+++ b/mojo/services/catalog/manifest_provider.h
@@ -0,0 +1,29 @@
+// 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 MOJO_SERVICES_CATALOG_MANIFEST_PROVIDER_H_
+#define MOJO_SERVICES_CATALOG_MANIFEST_PROVIDER_H_
+
+#include <string>
+
+#include "base/strings/string_piece.h"
+
+namespace catalog {
+
+// An interface which can be implemented by a catalog embedder to override
+// manifest fetching behavior.
+class ManifestProvider {
+ public:
+  virtual ~ManifestProvider() {}
+
+  // Retrieves the raw contents of the manifest for application named |name|.
+  // Returns true if |name| is known and |*manifest_contents| is populated.
+  // returns false otherwise.
+  virtual bool GetApplicationManifest(const base::StringPiece& name,
+                                      std::string* manifest_contents) = 0;
+};
+
+}  // namespace catalog
+
+#endif  // MOJO_SERVICES_CATALOG_MANIFEST_PROVIDER_H_