Add a function to convert key system into UUID

webkit/renderer/media/crypto/key_systems.cc

 // Copyright 2013 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 <map>
 
 #include "webkit/renderer/media/crypto/key_systems.h"
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 142 matching lines @@
 std::string GetPepperType(const std::string& key_system) {
   for (int i = 0; i < kNumKeySystemToPepperTypeMapping; ++i) {
     if (kKeySystemToPepperTypeMapping[i].key_system == key_system)
       return kKeySystemToPepperTypeMapping[i].type;
   }
 
   return std::string();
 }
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
+#if defined(OS_ANDROID)
+std::vector<uint8> GetUUID(const std::string& key_system) {
+  for (int i = 0; i < kNumKeySystemToUUIDMapping; ++i) {
+    if (kKeySystemToUUIDMapping[i].key_system == key_system)
+      return std::vector<uint8>(kKeySystemToUUIDMapping[i].uuid,
+                                kKeySystemToUUIDMapping[i].uuid + 16);
+  }
+  return std::vector<uint8>();
+}
+#endif  // defined(OS_ANDROID)
+
 }  // namespace webkit_media