[Chromecast] Change DecryptContext::Decrypt back

chromecast/media/base/decrypt_context_impl.cc

Index: chromecast/media/base/decrypt_context_impl.cc
diff --git a/chromecast/media/base/decrypt_context_impl.cc b/chromecast/media/base/decrypt_context_impl.cc
index 683f11de33c22ecbcdae34ddebce702044a16813..945ba9672a3f7ecbe80a881c20c97309d73538f4 100644
--- a/chromecast/media/base/decrypt_context_impl.cc
+++ b/chromecast/media/base/decrypt_context_impl.cc
@@ -4,6 +4,10 @@
 
 #include "chromecast/media/base/decrypt_context_impl.h"
 
+#include <vector>
+
+#include "chromecast/public/media/cast_decoder_buffer.h"
+
 namespace chromecast {
 namespace media {
 
@@ -16,6 +20,12 @@ CastKeySystem DecryptContextImpl::GetKeySystem() {
   return key_system_;
 }
 
+bool DecryptContextImpl::Decrypt(CastDecoderBuffer* buffer,
+                                 std::vector<uint8_t>* output) {
+  output->resize(buffer->data_size());
+  return Decrypt(buffer, output->data());
+}
+
 bool DecryptContextImpl::Decrypt(CastDecoderBuffer* buffer, uint8_t* output) {
   return false;
 }