Initial import of Widevine Common Encryption DRM engine

Builds libwvmdrmengine.so, which is loaded by the new
MediaDrm APIs to support playback of Widevine/CENC
protected content.

Change-Id: I6f57dd37083dfd96c402cb9dd137c7d74edc8f1c

libwvdrmengine/cdm/core/test/license_request.h

@@ -0,0 +1,30 @@
+// Copyright 2013 Google Inc. All Rights Reserved.
+
+#ifndef CDM_TEST_LICENSE_REQUEST_H_
+#define CDM_TEST_LICENSE_REQUEST_H_
+
+#include <string>
+#include "wv_cdm_types.h"
+
+namespace wvcdm {
+
+// Parses response from a license request.
+// This class assumes a particular response format defined by
+// Google license servers.
+class LicenseRequest {
+ public:
+  LicenseRequest() {};
+  ~LicenseRequest() {};
+
+  void GetDrmMessage(const std::string& response, std::string& drm_msg);
+  void GetHeartbeatUrl(const std::string& response, std::string& heartbeat_url);
+
+ private:
+  size_t FindHeaderEndPosition(const std::string& response) const;
+
+  CORE_DISALLOW_COPY_AND_ASSIGN(LicenseRequest);
+};
+
+};  // namespace wvcdm
+
+#endif  // CDM_TEST_LICENSE_REQUEST_H_