Privatize StrongBinding lifetime management

media/mojo/services/mojo_video_decoder_service.cc

 // 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.
 
 #include "media/mojo/services/mojo_video_decoder_service.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/video_decoder.h"
 #include "media/base/video_decoder_config.h"
 #include "media/base/video_frame.h"
 #include "media/mojo/common/media_type_converters.h"
 #include "media/mojo/common/mojo_decoder_buffer_converter.h"
 #include "media/mojo/services/mojo_media_client.h"
 #include "mojo/public/c/system/types.h"
 #include "mojo/public/cpp/system/buffer.h"
 #include "mojo/public/cpp/system/handle.h"
 
 namespace media {
 
 MojoVideoDecoderService::MojoVideoDecoderService(
-    mojo::InterfaceRequest<mojom::VideoDecoder> request,
     MojoMediaClient* mojo_media_client)
-    : binding_(this, std::move(request)),
-      mojo_media_client_(mojo_media_client),
-      weak_factory_(this) {
+    : mojo_media_client_(mojo_media_client), weak_factory_(this) {
   weak_this_ = weak_factory_.GetWeakPtr();
 }
 
 MojoVideoDecoderService::~MojoVideoDecoderService() {}
 
 void MojoVideoDecoderService::Construct(
     mojom::VideoDecoderClientPtr client,
     mojo::ScopedDataPipeConsumerHandle decoder_buffer_pipe) {
   DVLOG(1) << __FUNCTION__;
 
@@ skipping 81 matching lines @@
   decoder_->Reset(base::Bind(&MojoVideoDecoderService::OnDecoderReset,
                              weak_this_, callback));
 }
 
 void MojoVideoDecoderService::OnDecoderReset(const ResetCallback& callback) {
   DVLOG(1) << __FUNCTION__;
   callback.Run();
 }
 
 }  // namespace media