Revert of Add mojo interface+impl creation of audio streams.

content/browser/renderer_host/media/render_frame_audio_output_stream_factory.cc

Index: content/browser/renderer_host/media/render_frame_audio_output_stream_factory.cc
diff --git a/content/browser/renderer_host/media/render_frame_audio_output_stream_factory.cc b/content/browser/renderer_host/media/render_frame_audio_output_stream_factory.cc
deleted file mode 100644
index 5ebd4a691a703c37da0474876f43befd3c0ec4b3..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/media/render_frame_audio_output_stream_factory.cc
+++ /dev/null
@@ -1,144 +0,0 @@
-// Copyright 2017 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 "content/browser/renderer_host/media/render_frame_audio_output_stream_factory.h"
-
-#include <utility>
-
-#include "base/metrics/histogram_macros.h"
-#include "base/task_runner_util.h"
-#include "base/threading/thread_checker.h"
-#include "content/browser/renderer_host/media/renderer_audio_output_stream_factory_context.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/render_frame_host.h"
-#include "media/base/audio_parameters.h"
-#include "media/mojo/services/mojo_audio_output_stream_provider.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "mojo/public/cpp/bindings/message.h"
-
-namespace content {
-
-namespace {
-
-void UMALogDeviceAuthorizationTime(base::TimeTicks auth_start_time) {
-  UMA_HISTOGRAM_CUSTOM_TIMES("Media.Audio.OutputDeviceAuthorizationTime",
-                             base::TimeTicks::Now() - auth_start_time,
-                             base::TimeDelta::FromMilliseconds(1),
-                             base::TimeDelta::FromMilliseconds(5000), 50);
-}
-
-url::Origin GetOrigin(int process_id, int frame_id) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  RenderFrameHost* frame = RenderFrameHost::FromID(process_id, frame_id);
-  return frame ? frame->GetLastCommittedOrigin() : url::Origin();
-}
-
-}  // namespace
-
-RenderFrameAudioOutputStreamFactory::RenderFrameAudioOutputStreamFactory(
-    int render_frame_id,
-    RendererAudioOutputStreamFactoryContext* context)
-    : render_frame_id_(render_frame_id),
-      context_(context),
-      weak_ptr_factory_(this) {
-  DCHECK(context_);
-}
-
-RenderFrameAudioOutputStreamFactory::~RenderFrameAudioOutputStreamFactory() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  // Make sure to close all streams.
-  stream_providers_.clear();
-}
-
-void RenderFrameAudioOutputStreamFactory::RequestDeviceAuthorization(
-    media::mojom::AudioOutputStreamProviderRequest stream_provider_request,
-    int64_t session_id,
-    const std::string& device_id,
-    const RequestDeviceAuthorizationCallback& callback) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  const base::TimeTicks auth_start_time = base::TimeTicks::Now();
-
-  if (!base::IsValueInRangeForNumericType<int>(session_id)) {
-    mojo::ReportBadMessage("session_id is not in integer range");
-    // Note: We must call the callback even though we are killing the renderer.
-    // This is mandated by mojo.
-    callback.Run(
-        media::OutputDeviceStatus::OUTPUT_DEVICE_STATUS_ERROR_NOT_AUTHORIZED,
-        media::AudioParameters::UnavailableDeviceParams(), std::string());
-    return;
-  }
-
-  base::PostTaskAndReplyWithResult(
-      BrowserThread::GetTaskRunnerForThread(BrowserThread::UI).get(), FROM_HERE,
-      base::Bind(GetOrigin, context_->GetRenderProcessId(), render_frame_id_),
-      base::Bind(&RenderFrameAudioOutputStreamFactory::
-                     RequestDeviceAuthorizationForOrigin,
-                 weak_ptr_factory_.GetWeakPtr(), auth_start_time,
-                 base::Passed(&stream_provider_request),
-                 static_cast<int>(session_id), device_id, callback));
-}
-
-void RenderFrameAudioOutputStreamFactory::RequestDeviceAuthorizationForOrigin(
-    base::TimeTicks auth_start_time,
-    media::mojom::AudioOutputStreamProviderRequest stream_provider_request,
-    int session_id,
-    const std::string& device_id,
-    const RequestDeviceAuthorizationCallback& callback,
-    const url::Origin& origin) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  context_->RequestDeviceAuthorization(
-      render_frame_id_, session_id, device_id, origin,
-      base::Bind(&RenderFrameAudioOutputStreamFactory::AuthorizationCompleted,
-                 weak_ptr_factory_.GetWeakPtr(), auth_start_time,
-                 base::Passed(&stream_provider_request), callback, origin));
-}
-
-void RenderFrameAudioOutputStreamFactory::AuthorizationCompleted(
-    base::TimeTicks auth_start_time,
-    media::mojom::AudioOutputStreamProviderRequest request,
-    const RequestDeviceAuthorizationCallback& callback,
-    const url::Origin& origin,
-    media::OutputDeviceStatus status,
-    bool should_send_id,
-    const media::AudioParameters& params,
-    const std::string& raw_device_id) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  UMALogDeviceAuthorizationTime(auth_start_time);
-
-  if (status != media::OUTPUT_DEVICE_STATUS_OK) {
-    callback.Run(media::OutputDeviceStatus(status),
-                 media::AudioParameters::UnavailableDeviceParams(),
-                 std::string());
-    return;
-  }
-
-  // Since |context_| outlives |this| and |this| outlives |stream_providers_|,
-  // unretained is safe.
-  stream_providers_.insert(
-      base::MakeUnique<media::MojoAudioOutputStreamProvider>(
-          std::move(request),
-          base::BindOnce(
-              &RendererAudioOutputStreamFactoryContext::CreateDelegate,
-              base::Unretained(context_), raw_device_id, render_frame_id_),
-          base::Bind(&RenderFrameAudioOutputStreamFactory::RemoveStream,
-                     base::Unretained(this))));
-
-  callback.Run(media::OutputDeviceStatus(status), params,
-               should_send_id
-                   ? context_->GetHMACForDeviceId(origin, raw_device_id)
-                   : std::string());
-}
-
-void RenderFrameAudioOutputStreamFactory::RemoveStream(
-    media::mojom::AudioOutputStreamProvider* stream_provider) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  base::EraseIf(
-      stream_providers_,
-      [stream_provider](
-          const std::unique_ptr<media::mojom::AudioOutputStreamProvider>&
-              other) { return other.get() == stream_provider; });
-}
-
-}  // namespace content