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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/lazy_instance.h"
#include "content/public/common/browser_plugin_guest_mode.h"
#include "content/public/common/browser_side_navigation_policy.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_switches.h"
namespace content {
// static
bool SiteIsolationPolicy::AreCrossProcessFramesPossible() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kSitePerProcess) ||
GetContentClient()->IsSupplementarySiteIsolationModeEnabled() ||
BrowserPluginGuestMode::UseCrossProcessFramesForGuests();
}
// static
bool SiteIsolationPolicy::UseDedicatedProcessesForAllSites() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kSitePerProcess);
}
// static
bool SiteIsolationPolicy::UseSubframeNavigationEntries() {
// Enable the new navigation history behavior if any manner of site isolation
// is active.
// PlzNavigate: also enable the new navigation history behavior.
return AreCrossProcessFramesPossible() || IsBrowserSideNavigationEnabled();
}
} // namespace content
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