media: Remove Browser CDM implementation

content/renderer/render_frame_impl.h

 // Copyright 2013 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_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 1172 matching lines @@
   RendererMediaPlayerManager* media_player_manager_;
   RendererMediaSessionManager* media_session_manager_;
 #endif
 
   media::SurfaceManager* media_surface_manager_;
 
   // Lazy-bound pointer to the RemoterFactory service in the browser
   // process. Always use the GetRemoterFactory() accessor instead of this.
   media::mojom::RemoterFactoryPtr remoter_factory_;
 
-#if defined(ENABLE_BROWSER_CDMS)
-  // Manage all CDMs in this render frame for communicating with the real CDM in
-  // the browser process. It's okay to use a raw pointer since it's a
-  // RenderFrameObserver.
-  RendererCdmManager* cdm_manager_;
-#endif
-
   // The CDM and decoder factory attached to this frame, lazily initialized.
   std::unique_ptr<media::CdmFactory> cdm_factory_;
   std::unique_ptr<media::DecoderFactory> decoder_factory_;
 
   // Media resource cache, lazily initialized.
   linked_ptr<media::UrlIndex> url_index_;
 
   // The devtools agent for this frame; only created for main frame and
   // local roots.
   DevToolsAgent* devtools_agent_;
@@ skipping 91 matching lines @@
       remote_associated_interfaces_;
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_