display_compositor: Move CompositorOverlayCandidateValidator from content.

content/browser/compositor/browser_compositor_overlay_candidate_validator.h

Index: content/browser/compositor/browser_compositor_overlay_candidate_validator.h
diff --git a/content/browser/compositor/browser_compositor_overlay_candidate_validator.h b/content/browser/compositor/browser_compositor_overlay_candidate_validator.h
deleted file mode 100644
index 933e7bf34d2801d2197f61a44777e0d508c156cd..0000000000000000000000000000000000000000
--- a/content/browser/compositor/browser_compositor_overlay_candidate_validator.h
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright 2015 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_COMPOSITOR_BROWSER_COMPOSITOR_OVERLAY_CANDIDATE_VALIDATOR_H_
-#define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OVERLAY_CANDIDATE_VALIDATOR_H_
-
-#include "cc/output/overlay_candidate_validator.h"
-
-#include "base/macros.h"
-#include "content/common/content_export.h"
-
-namespace content {
-
-class CONTENT_EXPORT BrowserCompositorOverlayCandidateValidator
-    : public cc::OverlayCandidateValidator {
- public:
-  BrowserCompositorOverlayCandidateValidator() {}
-  ~BrowserCompositorOverlayCandidateValidator() override {}
-
-  virtual void SetSoftwareMirrorMode(bool enabled) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BrowserCompositorOverlayCandidateValidator);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OVERLAY_CANDIDATE_VALIDATOR_H_