Move frame eviction into components

components/display_compositor/delegated_frame_evictor.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_BROWSER_RENDERER_HOST_DELEGATED_FRAME_EVICTOR_H_
-#define CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_EVICTOR_H_
+#ifndef COMPONENTS_DISPLAY_COMPOSITOR_DELEGATED_FRAME_EVICTOR_H_
+#define COMPONENTS_DISPLAY_COMPOSITOR_DELEGATED_FRAME_EVICTOR_H_
 
 #include "base/macros.h"
-#include "content/browser/renderer_host/renderer_frame_manager.h"
-#include "content/common/content_export.h"
+#include "components/display_compositor/display_compositor_export.h"
+#include "components/display_compositor/renderer_frame_manager.h"
 
-namespace content {
+namespace display_compositor {
 
-class CONTENT_EXPORT DelegatedFrameEvictorClient {
+class DISPLAY_COMPOSITOR_EXPORT DelegatedFrameEvictorClient {
  public:
   virtual ~DelegatedFrameEvictorClient() {}
   virtual void EvictDelegatedFrame() = 0;
 };
 
-class CONTENT_EXPORT DelegatedFrameEvictor : public RendererFrameManagerClient {
+class DISPLAY_COMPOSITOR_EXPORT DelegatedFrameEvictor

[Saman Sami, 2017/04/11 14:58:24]

I would rather Delegated to be removed from the name, but I'm not sure and I'm
curious what other people think.

[xing.xu, 2017/04/14 03:01:29]

Done.

+    : public RendererFrameManagerClient {
  public:
   // |client| must outlive |this|.
   explicit DelegatedFrameEvictor(DelegatedFrameEvictorClient* client);
   ~DelegatedFrameEvictor() override;
 
   void SwappedFrame(bool visible);
   void DiscardedFrame();
   void SetVisible(bool visible);
   void LockFrame();
   void UnlockFrame();
   bool HasFrame() { return has_frame_; }
 
  private:
   // RendererFrameManagerClient implementation.
   void EvictCurrentFrame() override;
 
   DelegatedFrameEvictorClient* client_;
   bool has_frame_;
   bool visible_;
 
   DISALLOW_COPY_AND_ASSIGN(DelegatedFrameEvictor);
 };
 
-}  // namespace content
+}  // namespace display_compositor
 
-#endif  // CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_EVICTOR_H_
+#endif  // COMPONENTS_DISPLAY_COMPOSITOR_DELEGATED_FRAME_EVICTOR_H_