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// Copyright (c) 2012 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 "chrome/renderer/extensions/extension_process_policy.h"
#include "base/strings/string_util.h"
#include "chrome/common/extensions/extension_constants.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_set.h"
#include "extensions/common/manifest_handlers/app_isolation_info.h"
#include "extensions/common/switches.h"
namespace extensions {
const extensions::Extension* GetNonBookmarkAppExtension(
const ExtensionSet& extensions,
const GURL& url) {
// Exclude bookmark apps, which do not use the app process model.
const extensions::Extension* extension =
extensions.GetExtensionOrAppByURL(url);
if (extension && extension->from_bookmark())
extension = NULL;
return extension;
}
bool CrossesExtensionProcessBoundary(const ExtensionSet& extensions,
const GURL& old_url,
const GURL& new_url) {
const extensions::Extension* old_url_extension =
GetNonBookmarkAppExtension(extensions, old_url);
const extensions::Extension* new_url_extension =
GetNonBookmarkAppExtension(extensions, new_url);
// If there are no extensions associated with either url, we check if the new
// url points to an extension origin. If it does, fork - extension
// installation should not be a factor.
if (!old_url_extension && !new_url_extension) {
// Hypothetically, we could also do an origin check here to make sure that
// the two urls point two different extensions, but it's not really
// necesary since we know there wasn't an associated extension with the old
// url.
return new_url.SchemeIs(kExtensionScheme);
}
return old_url_extension != new_url_extension;
}
} // namespace extensions
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