Add video decoding methods in Decryptor and add DecryptingVideoDecoder.

media/crypto/aes_decryptor.cc

Index: media/crypto/aes_decryptor.cc
diff --git a/media/crypto/aes_decryptor.cc b/media/crypto/aes_decryptor.cc
index df173339fe9a1b41e98c68dde29f4634d683b8f8..5e41ea71a0d402c728601b4b0ceabf93e526ccee 100644
--- a/media/crypto/aes_decryptor.cc
+++ b/media/crypto/aes_decryptor.cc
@@ -14,6 +14,8 @@
 #include "media/base/decoder_buffer.h"
 #include "media/base/decrypt_config.h"
 #include "media/base/decryptor_client.h"
+#include "media/base/video_decoder_config.h"
+#include "media/base/video_frame.h"
 
 namespace media {
 
@@ -232,6 +234,27 @@ void AesDecryptor::Decrypt(const scoped_refptr<DecoderBuffer>& encrypted,
 void AesDecryptor::CancelDecrypt() {
 }
 
+void AesDecryptor::InitializeVideoDecoder(const VideoDecoderConfig& config,
+                                          const DecoderInitCB& init_cb) {
+  // AesDecryptor does not support video decoding. Always return false here.
+  init_cb.Run(false);
+}
+
+void AesDecryptor::DecryptAndDecodeVideo(
+    const scoped_refptr<DecoderBuffer>& encrypted,
+    const VideoDecodeCB& video_decode_cb) {
+  NOTREACHED() << "AesDecryptor does not support video decoding";
+  video_decode_cb.Run(kError, NULL);
+}
+
+void AesDecryptor::CancelDecryptAndDecodeVideo() {
+  NOTREACHED() << "AesDecryptor does not support video decoding";
+}
+
+void AesDecryptor::StopVideoDecoder() {
+  NOTREACHED() << "AesDecryptor does not support video decoding";
+}
+
 void AesDecryptor::SetKey(const std::string& key_id,
                           scoped_ptr<DecryptionKey> decryption_key) {
   base::AutoLock auto_lock(key_map_lock_);