chromium/content/public/browser/render_frame_metadata_provider.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_RENDER_FRAME_METADATA_PROVIDER_H_
#define CONTENT_PUBLIC_BROWSER_RENDER_FRAME_METADATA_PROVIDER_H_

#include "base/time/time.h"
#include "build/build_config.h"
#include "cc/trees/render_frame_metadata.h"
#include "content/common/content_export.h"

namespace content {

// Notifies all Observer of the submission of CompositorFrames which cause a
// change in RenderFrameMetadata.
//
// When ReportAllFrameSubmissionsForTesting(true) is called, this will be
// notified of all frame submissions.
//
// An Observer is provided, so that multiple sources can all observe the
// metadata for a given RenderWidgetHost.
class CONTENT_EXPORT RenderFrameMetadataProvider { … };

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_RENDER_FRAME_METADATA_PROVIDER_H_