chromium/content/common/content_navigation_policy.cc

// Copyright 2020 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/common/content_navigation_policy.h"

#include <bitset>

#include "base/command_line.h"
#include "base/metrics/field_trial_params.h"
#include "base/system/sys_info.h"
#include "build/build_config.h"
#include "content/common/features.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "net/base/features.h"

namespace features {
BASE_FEATURE(…);
}

namespace content {

bool DeviceHasEnoughMemoryForBackForwardCache() { … }

bool IsBackForwardCacheDisabledByCommandLine() { … }

bool IsBackForwardCacheEnabled() { … }

bool CanCrossSiteNavigationsProactivelySwapBrowsingInstances() { … }

const char kRenderDocumentLevelParameterName[] = …;

constexpr base::FeatureParam<RenderDocumentLevel>::Option
    render_document_levels[] = …;
const base::FeatureParam<RenderDocumentLevel> render_document_level{ … };

RenderDocumentLevel GetRenderDocumentLevel() { … }

std::string GetRenderDocumentLevelName(RenderDocumentLevel level) { … }

bool ShouldCreateNewRenderFrameHostOnSameSiteNavigation(
    bool is_main_frame,
    bool is_local_root,
    bool has_committed_any_navigation,
    bool must_be_replaced) { … }

bool ShouldCreateNewHostForAllFrames() { … }

bool ShouldSkipEarlyCommitPendingForCrashedFrame() { … }

static constexpr base::FeatureParam<NavigationQueueingFeatureLevel>::Option
    kNavigationQueueingFeatureLevels[] = …;
const base::FeatureParam<NavigationQueueingFeatureLevel>
    kNavigationQueueingFeatureLevelParam{ … };

NavigationQueueingFeatureLevel GetNavigationQueueingFeatureLevel() { … }

bool ShouldAvoidRedundantNavigationCancellations() { … }

bool ShouldQueueNavigationsWhenPendingCommitRFHExists() { … }

bool ShouldRestrictCanAccessDataForOriginToUIThread() { … }

bool ShouldCreateSiteInstanceForDataUrls() { … }

}  // namespace content