Split out audio debug recording from RenderProcessHostImpl.

content/browser/media/audio_debug_controller.h

Index: content/browser/media/audio_debug_controller.h
diff --git a/content/browser/media/audio_debug_controller.h b/content/browser/media/audio_debug_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..4cc8f0879b702d745f811fee901a99b241377a22
--- /dev/null
+++ b/content/browser/media/audio_debug_controller.h
@@ -0,0 +1,57 @@
+// Copyright 2015 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 CONTENT_BROWSER_MEDIA_AUDIO_DEBUG_CONTROLLER_H_
+#define CONTENT_BROWSER_MEDIA_AUDIO_DEBUG_CONTROLLER_H_
+
+#include <set>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "content/common/media/audio_debug_recording.mojom.h"
+
+namespace base {
+template <typename T>

[Henrik Grunell, 2015/10/15 12:17:02]

Nit: Empty line before.

[Anand Mistry (off Chromium), 2015/10/21 03:58:23]

Done.

+struct DefaultSingletonTraits;
+
+class FilePath;
+}

[Henrik Grunell, 2015/10/15 12:17:02]

// namespace base
Nit: Empty line before.

[Anand Mistry (off Chromium), 2015/10/21 03:58:23]

Done.

+
+namespace content {
+
+class AudioDebugRecordingImpl;
+class AudioInputRendererHost;
+
+class AudioDebugController {

[Henrik Grunell, 2015/10/15 12:17:02]

Add comment with a description of the class. On which thread does it live? 

[Anand Mistry (off Chromium), 2015/10/21 03:58:23]

Done.

+ public:
+  static AudioDebugController* GetInstance();
+
+  static void CreateService(
+      int render_host_id,
+      const scoped_refptr<AudioInputRendererHost>& audio_input_renderer_host,
+      mojo::InterfaceRequest<AudioDebugRecording> request);
+
+  void EnableAudioDebugRecording(const base::FilePath& file);
+  void DisableAudioDebugRecording();
+
+ private:
+  AudioDebugController();
+  ~AudioDebugController();
+  friend struct base::DefaultSingletonTraits<AudioDebugController>;
+
+  void CreateServiceInternal(
+      int render_host_id,
+      const scoped_refptr<AudioInputRendererHost>& audio_input_renderer_host,
+      mojo::InterfaceRequest<AudioDebugRecording> request);
+
+  void OnDisconnect(AudioDebugRecordingImpl* impl);
+
+  std::set<AudioDebugRecordingImpl*> registered_impls_;
+
+  DISALLOW_COPY_AND_ASSIGN(AudioDebugController);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_MEDIA_AUDIO_DEBUG_CONTROLLER_H_