Introduce components/display_compositor

content/browser/renderer_host/delegated_frame_host.h

 // Copyright 2014 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_RENDERER_HOST_DELEGATED_FRAME_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 22 matching lines @@
 
 namespace cc {
 class SurfaceFactory;
 enum class SurfaceDrawStatus;
 }
 
 namespace media {
 class VideoFrame;
 }
 
+namespace display_compositor {
+class ReadbackYUVInterface;
+}
+
 namespace content {
 
 class DelegatedFrameHost;
-class ReadbackYUVInterface;
 class RenderWidgetHostViewFrameSubscriber;
 class RenderWidgetHostImpl;
 class ResizeLock;
 
 // The DelegatedFrameHostClient is the interface from the DelegatedFrameHost,
 // which manages delegated frames, and the ui::Compositor being used to
 // display them.
 class CONTENT_EXPORT DelegatedFrameHostClient {
  public:
   virtual ui::Layer* DelegatedFrameHostGetLayer() const = 0;
@@ skipping 251 matching lines @@
   // Subscriber that listens to frame presentation events.
   std::unique_ptr<RenderWidgetHostViewFrameSubscriber> frame_subscriber_;
   std::vector<scoped_refptr<OwnedMailbox>> idle_frame_subscriber_textures_;
 
   // Callback used to pass the output request to the layer or to a function
   // specified by a test.
   base::Callback<void(std::unique_ptr<cc::CopyOutputRequest>)>
       request_copy_of_output_callback_for_testing_;
 
   // YUV readback pipeline.
-  std::unique_ptr<content::ReadbackYUVInterface> yuv_readback_pipeline_;
+  std::unique_ptr<display_compositor::ReadbackYUVInterface>
+      yuv_readback_pipeline_;
 
   std::unique_ptr<DelegatedFrameEvictor> delegated_frame_evictor_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_