[Chromecast] Change DecryptContext Decrypt API

chromecast/media/base/decrypt_context_impl.cc

 // Copyright 2014 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 "chromecast/media/base/decrypt_context_impl.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 14 matching lines @@
 DecryptContextImpl::DecryptContextImpl(CastKeySystem key_system)
     : key_system_(key_system) {}
 
 DecryptContextImpl::~DecryptContextImpl() {}
 
 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(), 0);
-}
-
-bool DecryptContextImpl::Decrypt(CastDecoderBuffer* buffer,
                                  uint8_t* output,
                                  size_t data_offset) {
   bool called = false;
   bool success = false;
   DecryptAsync(buffer, output, data_offset,
                base::Bind(&BufferDecryptCB, &called, &success));
   CHECK(called) << "Sync Decrypt isn't supported";
 
   return success;
 }
 
 void DecryptContextImpl::DecryptAsync(CastDecoderBuffer* buffer,
                                       uint8_t* output,
                                       size_t data_offset,
                                       const DecryptCB& decrypt_cb) {
   decrypt_cb.Run(false);
 }
 
 bool DecryptContextImpl::CanDecryptToBuffer() const {
   return false;
 }
 
 }  // namespace media
 }  // namespace chromecast