Plumb support for audio sample formats.

ppapi/cpp/private/content_decryptor_private.cc

Index: ppapi/cpp/private/content_decryptor_private.cc
diff --git a/ppapi/cpp/private/content_decryptor_private.cc b/ppapi/cpp/private/content_decryptor_private.cc
index 23417c3e155b622f9a827ad2a1288e0c38eb8279..8c7dcd285094f5da89cebf968887fb53b15853a1 100644
--- a/ppapi/cpp/private/content_decryptor_private.cc
+++ b/ppapi/cpp/private/content_decryptor_private.cc
@@ -330,12 +330,12 @@ void ContentDecryptor_Private::DeliverFrame(
 
 void ContentDecryptor_Private::DeliverSamples(
     pp::Buffer_Dev audio_frames,
-    const PP_DecryptedBlockInfo& decrypted_block_info) {
+    const PP_DecryptedSampleInfo& decrypted_sample_info) {
   if (has_interface<PPB_ContentDecryptor_Private>()) {
     get_interface<PPB_ContentDecryptor_Private>()->DeliverSamples(
         associated_instance_.pp_instance(),
         audio_frames.pp_resource(),
-        &decrypted_block_info);
+        &decrypted_sample_info);
   }
 }