Motown: Stop requiring size when releasing payload buffers.

services/media/framework_mojo/mojo_allocator.h

 // Copyright 2016 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.
 
 #ifndef SERVICES_MEDIA_FRAMEWORK_MOJO_MOJO_ALLOCATOR_H_
 #define SERVICES_MEDIA_FRAMEWORK_MOJO_MOJO_ALLOCATOR_H_
 
 #include "mojo/services/media/common/cpp/shared_media_buffer_allocator.h"
 #include "services/media/framework/payload_allocator.h"
 
 namespace mojo {
 namespace media {
 
 // Just like SharedMediaBufferAllocator but implements PayloadAllocator.
 class MojoAllocator : public SharedMediaBufferAllocator,
                       public PayloadAllocator {
  public:
   ~MojoAllocator() override;
 
   // PayloadAllocator implementation.
   void* AllocatePayloadBuffer(size_t size) override;
 
-  void ReleasePayloadBuffer(size_t size, void* buffer) override;
+  void ReleasePayloadBuffer(void* buffer) override;
 };
 
 }  // namespace media
 }  // namespace mojo
 
 #endif  // SERVICES_MEDIA_FRAMEWORK_MOJO_MOJO_ALLOCATOR_H_