Export provisioning sdk

Change-Id: I4d47d80444c9507f84896767dc676112ca11e901

common/file_util.h

@@ -0,0 +1,27 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright 2016 Google Inc.
+//
+// This software is licensed under the terms defined in the Widevine Master
+// License Agreement. For a copy of this agreement, please contact
+// widevine-licensing@google.com.
+////////////////////////////////////////////////////////////////////////////////
+
+// File util wrapper to be used in partner sdks. Implemented using generic file
+// apis.
+
+#ifndef COMMON_FILE_UTIL_H_
+#define COMMON_FILE_UTIL_H_
+
+#include <string>
+
+namespace widevine {
+
+// Read file to string.
+bool GetContents(const std::string& file_name, std::string* contents);
+
+// Write file.
+bool SetContents(const std::string& file_name, const std::string& contents);
+
+}  // namespace widevine
+
+#endif  // COMMON_FILE_UTIL_H_