Make AudioParameters a class instead of a struct

content/browser/renderer_host/media/audio_renderer_host.h

 // Copyright (c) 2012 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.
 //
 // AudioRendererHost serves audio related requests from AudioRenderer which
 // lives inside the render process and provide access to audio hardware.
 //
 // This class is owned by BrowserRenderProcessHost, and instantiated on UI
 // thread, but all other operations and method calls happen on IO thread, so we
 // need to be extra careful about the lifetime of this object. AudioManager is a
@@ skipping 36 matching lines @@
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/browser/browser_thread.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_output_controller.h"
 #include "media/audio/simple_sources.h"
 
 class AudioManager;
-struct AudioParameters;
+class AudioParameters;
 
 namespace content {
 class MediaObserver;
 class ResourceContext;
 }  // namespace content
 
 class CONTENT_EXPORT AudioRendererHost
     : public content::BrowserMessageFilter,
       public media::AudioOutputController::EventHandler {
  public:
@@ skipping 116 matching lines @@
   // A map of stream IDs to audio sources.
   AudioEntryMap audio_entries_;
 
   content::ResourceContext* resource_context_;
   AudioManager* audio_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_