Update Decryptor interface to support audio decoding.

media/filters/decrypting_video_decoder.cc

 // Copyright (c) 2012 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 "media/filters/decrypting_video_decoder.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/message_loop_proxy.h"
@@ skipping 49 matching lines @@
   DCHECK(state_ == kIdle ||
          state_ == kPendingDemuxerRead ||
          state_ == kPendingDecode ||
          state_ == kWaitingForKey ||
          state_ == kDecodeFinished) << state_;
   DCHECK(init_cb_.is_null());  // No Reset() during pending initialization.
   DCHECK(reset_cb_.is_null());
 
   reset_cb_ = closure;
 
-  decryptor_->CancelDecryptAndDecodeVideo();
+  decryptor_->ResetDecoder(Decryptor::kVideo);
 
   // Reset() cannot complete if the read callback is still pending.
   // Defer the resetting process in this case. The |reset_cb_| will be fired
   // after the read callback is fired - see DoDecryptAndDecodeBuffer() and
   // DoDeliverFrame().
   if (state_ == kPendingDemuxerRead || state_ == kPendingDecode) {
     DCHECK(!read_cb_.is_null());
     return;
   }
 
@@ skipping 14 matching lines @@
     return;
   }
 
   DVLOG(2) << "Stop() - state: " << state_;
 
   // At this point the render thread is likely paused (in WebMediaPlayerImpl's
   // Destroy()), so running |closure| can't wait for anything that requires the
   // render thread to be processing messages to complete (such as PPAPI
   // callbacks).
   if (decryptor_)
-    decryptor_->StopVideoDecoder();
+    decryptor_->DeinitializeDecoder(Decryptor::kVideo);
   if (!request_decryptor_notification_cb_.is_null()) {
     base::ResetAndReturn(&request_decryptor_notification_cb_).Run(
         DecryptorNotificationCB());
   }
   pending_buffer_to_decode_ = NULL;
   if (!init_cb_.is_null())
     base::ResetAndReturn(&init_cb_).Run(DECODER_ERROR_NOT_SUPPORTED);
   if (!read_cb_.is_null())
     base::ResetAndReturn(&read_cb_).Run(kOk, NULL);
   if (!reset_cb_.is_null())
@@ skipping 268 matching lines @@
 }
 
 void DecryptingVideoDecoder::DoReset() {
   DCHECK(init_cb_.is_null());
   DCHECK(read_cb_.is_null());
   state_ = kIdle;
   base::ResetAndReturn(&reset_cb_).Run();
 }
 
 }  // namespace media