Media Remoting: Add remoting control logic for encrypted contents.

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 79 matching lines @@
 namespace gfx {
 class Point;
 class Range;
 class Rect;
 }
 
 namespace media {
 class CdmFactory;
 class DecoderFactory;
 class MediaPermission;
-class RemotingController;
+class RemotingRendererController;
+class RemotingSinkObserver;
 class RendererWebMediaPlayerDelegate;
 class SurfaceManager;
 class UrlIndex;
 class WebEncryptedMediaClientImpl;
 }
 
 namespace service_manager {
 class InterfaceRegistry;
 class InterfaceProvider;
 }
@@ skipping 944 matching lines @@
   // synchronous find request.
   void SendFindReply(int request_id,
                      int match_count,
                      int ordinal,
                      const blink::WebRect& selection_rect,
                      bool final_status_update);
 
   void InitializeBlameContext(RenderFrameImpl* parent_frame);
 
 #if BUILDFLAG(ENABLE_MEDIA_REMOTING)
-  // Creates the RemotingController to control whether to switch to/from media
-  // remoting from/to local playback.
-  std::unique_ptr<media::RemotingController> CreateRemotingController();
+  // Creates the RemotingRendererController to control whether to switch to/from
+  // media remoting from/to local playback.
+  std::unique_ptr<media::RemotingRendererController>
+  CreateRemotingRendererController();
 #endif
 
   // Stores the WebLocalFrame we are associated with.  This is null from the
   // constructor until BindToWebFrame is called, and it is null after
   // frameDetached is called until destruction (which is asynchronous in the
   // case of the main frame, but not subframes).
   blink::WebLocalFrame* frame_;
 
   // Boolean value indicating whether this RenderFrameImpl object is for the
   // main frame or not. It remains accurate during destruction, even when
@@ skipping 127 matching lines @@
   RendererMediaPlayerManager* media_player_manager_;
   RendererMediaSessionManager* media_session_manager_;
 #endif
 
   media::SurfaceManager* media_surface_manager_;
 
 #if BUILDFLAG(ENABLE_MEDIA_REMOTING)
   // Lazy-bound pointer to the RemoterFactory service in the browser
   // process. Always use the GetRemoterFactory() accessor instead of this.
   media::mojom::RemoterFactoryPtr remoter_factory_;
+  // An observer for the remoting sink availability that is used by
+  // media::RemotingCdmFactory to initialize media::RemotingSourceImpl. Created
+  // in the constructor of RenderFrameImpl to make sure
+  // media::RemotingSourceImpl be intialized with correct availability info.
+  // Own by media::RemotingCdmFactory after it is created.
+  std::unique_ptr<media::RemotingSinkObserver> remoting_sink_observer_;
 #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
@@ skipping 104 matching lines @@
   bool browser_side_navigation_pending_ = false;
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_