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// Copyright 2015 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 "content/common/site_isolation_policy.h"
#include "base/command_line.h"
#include "base/feature_list.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
namespace content {
// static
bool SiteIsolationPolicy::AreCrossProcessFramesPossible() {
// Before turning this on for Android, input event routing needs to be
// completed there, and perf regressions in https://crbug.com/690229 need to be
// investigated.
#if defined(OS_ANDROID)
return UseDedicatedProcessesForAllSites() ||
IsTopDocumentIsolationEnabled() ||
GetContentClient()->IsSupplementarySiteIsolationModeEnabled() ||
base::FeatureList::IsEnabled(::features::kGuestViewCrossProcessFrames);
#else
return true;
#endif
}
// static
bool SiteIsolationPolicy::UseDedicatedProcessesForAllSites() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kSitePerProcess);
}
// static
bool SiteIsolationPolicy::IsTopDocumentIsolationEnabled() {
// --site-per-process trumps --top-document-isolation.
if (UseDedicatedProcessesForAllSites())
return false;
return base::FeatureList::IsEnabled(::features::kTopDocumentIsolation);
}
} // namespace content
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