chromium/content/browser/renderer_host/render_widget_helper.h

// Copyright 2012 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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HELPER_H_
#define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HELPER_H_

#include <stdint.h>

#include <map>

#include "base/atomic_sequence_num.h"
#include "base/memory/ref_counted.h"
#include "base/process/process.h"
#include "base/synchronization/lock.h"
#include "base/thread_annotations.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/global_request_id.h"
#include "content/public/common/widget_type.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "third_party/blink/public/common/tokens/tokens.h"
#include "ui/gfx/native_widget_types.h"

namespace content {

// Instantiated per RenderProcessHost to provide various optimizations on
// behalf of a RenderWidgetHost.  This class bridges between the IO thread
// where the RenderProcessHost's MessageFilter lives and the UI thread where
// the RenderWidgetHost lives.
class RenderWidgetHelper
    : public base::RefCountedThreadSafe<RenderWidgetHelper,
                                        BrowserThread::DeleteOnIOThread> { … };

}  // namespace content

#endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HELPER_H_