blob: 2448af60f9d6ef6d1589320d69c6f3581c326dba [file] [log] [blame]
// Copyright 2019 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.
#include <cstdint>
#include "base/macros.h"
namespace content {
class WebContents;
} // namespace content
namespace performance_manager {
// A WebContentsProxyImpl is used to post messages out of the performance
// manager sequence that are bound for a WebContents running on the UI thread.
// The object is bound to the UI thread. A WeakPtr<WebContentsProxyImpl> is
// effectively equivalent to a WeakPtr<WebContents>.
// This class is opaquely embedded in a WebContentsProxy, which hides the fact
// that a weak pointer is being used under the hood.
class WebContentsProxyImpl {
virtual ~WebContentsProxyImpl();
// Allows resolving this proxy to the underlying WebContents. This must only
// be called on the UI thread.
virtual content::WebContents* GetWebContents() const = 0;
// Returns the ID of the last committed navigation in the main frame of the
// web contents. This must only be called on the UI thread.
virtual int64_t LastNavigationId() const = 0;
} // namespace performance_manager