chromium/content/browser/preloading/prerender/prerender_commit_deferring_condition.cc

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/preloading/prerender/prerender_commit_deferring_condition.h"

#include "base/memory/ptr_util.h"
#include "base/task/sequenced_task_runner.h"
#include "content/browser/preloading/prerender/prerender_host.h"
#include "content/browser/preloading/prerender/prerender_metrics.h"
#include "content/browser/renderer_host/frame_tree.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/navigation_request.h"
#include "content/public/browser/render_frame_host.h"

namespace content {

namespace {

// Returns the root prerender frame tree node associated with navigation_request
// of ongoing prerender activation.
FrameTreeNode* GetRootPrerenderFrameTreeNode(int prerender_frame_tree_node_id) { … }

}  // namespace

// static
std::unique_ptr<CommitDeferringCondition>
PrerenderCommitDeferringCondition::MaybeCreate(
    NavigationRequest& navigation_request,
    NavigationType navigation_type,
    std::optional<int> candidate_prerender_frame_tree_node_id) { … }

PrerenderCommitDeferringCondition::~PrerenderCommitDeferringCondition() =
    default;

PrerenderCommitDeferringCondition::PrerenderCommitDeferringCondition(
    NavigationRequest& navigation_request,
    int candidate_prerender_frame_tree_node_id)
    : … { … }

CommitDeferringCondition::Result
PrerenderCommitDeferringCondition::WillCommitNavigation(
    base::OnceClosure resume) { … }

void PrerenderCommitDeferringCondition::DidFinishNavigation(
    NavigationHandle* handle) { … }

}  // namespace content