Move BrowsingDataFilterBuilder[Impl] to content/

chrome/browser/browsing_data/browsing_data_filter_builder_impl.cc

Index: chrome/browser/browsing_data/browsing_data_filter_builder_impl.cc
diff --git a/chrome/browser/browsing_data/browsing_data_filter_builder_impl.cc b/chrome/browser/browsing_data/browsing_data_filter_builder_impl.cc
deleted file mode 100644
index e1627565f76de7d2fb0216b8c7e8683c238d5c9f..0000000000000000000000000000000000000000
--- a/chrome/browser/browsing_data/browsing_data_filter_builder_impl.cc
+++ /dev/null
@@ -1,216 +0,0 @@
-// Copyright 2017 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/browser/browsing_data/browsing_data_filter_builder_impl.h"
-
-#include <string>
-#include <vector>
-
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/memory/ptr_util.h"
-#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
-#include "net/cookies/canonical_cookie.h"
-#include "url/origin.h"
-
-using net::registry_controlled_domains::GetDomainAndRegistry;
-using net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES;
-
-namespace {
-
-// Whether this is a subdomain of a registrable domain.
-bool IsSubdomainOfARegistrableDomain(const std::string& domain) {
-  std::string registrable_domain =
-      GetDomainAndRegistry(domain, INCLUDE_PRIVATE_REGISTRIES);
-  return registrable_domain != domain && registrable_domain != "";
-}
-
-// Note that for every domain, exactly one of the following holds:
-// 1. GetDomainAndRegistry(domain, _) == ""        - e.g. localhost, 127.0.0.1
-// 2. GetDomainAndRegistry(domain, _) == domain    - e.g. google.com
-// 3. IsSubdomainOfARegistrableDomain(domain)      - e.g. www.google.com
-// Types 1 and 2 are supported by RegistrableDomainFilterBuilder. Type 3 is not.
-
-
-// True if the domain of |url| is in the whitelist, or isn't in the blacklist.
-// The whitelist or blacklist is represented as |origins|,
-// |registerable_domains|, and |mode|.
-bool MatchesURL(
-    const std::set<url::Origin>& origins,
-    const std::set<std::string>& registerable_domains,
-    BrowsingDataFilterBuilder::Mode mode,
-    const GURL& url) {
-  std::string url_registerable_domain =
-      GetDomainAndRegistry(url, INCLUDE_PRIVATE_REGISTRIES);
-  bool found_domain =
-      (registerable_domains.find(
-          url_registerable_domain != "" ? url_registerable_domain
-                                        : url.host()) !=
-       registerable_domains.end());
-
-  bool found_origin = (origins.find(url::Origin(url)) != origins.end());
-
-  return ((found_domain || found_origin) ==
-          (mode == BrowsingDataFilterBuilder::WHITELIST));
-}
-
-// True if no domains can see the given cookie and we're a blacklist, or any
-// domains can see the cookie and we're a whitelist.
-// The whitelist or blacklist is represented as |domains_and_ips| and |mode|.
-bool MatchesCookieForRegisterableDomainsAndIPs(
-    const std::set<std::string>& domains_and_ips,
-    BrowsingDataFilterBuilder::Mode mode,
-    const net::CanonicalCookie& cookie) {
-  if (domains_and_ips.empty())
-    return mode == BrowsingDataFilterBuilder::BLACKLIST;
-  std::string cookie_domain = cookie.Domain();
-  if (cookie.IsDomainCookie())
-    cookie_domain = cookie_domain.substr(1);
-  std::string parsed_cookie_domain =
-      GetDomainAndRegistry(cookie_domain, INCLUDE_PRIVATE_REGISTRIES);
-  // This means we're an IP address or an internal hostname.
-  if (parsed_cookie_domain.empty())
-    parsed_cookie_domain = cookie_domain;
-  return (mode == BrowsingDataFilterBuilder::WHITELIST) ==
-      (domains_and_ips.find(parsed_cookie_domain) != domains_and_ips.end());
-}
-
-// True if none of the supplied domains matches this Channel ID's server ID
-// and we're a blacklist, or one of them does and we're a whitelist.
-// The whitelist or blacklist is represented as |domains_and_ips| and |mode|.
-bool MatchesChannelIDForRegisterableDomainsAndIPs(
-    const std::set<std::string>& domains_and_ips,
-    BrowsingDataFilterBuilder::Mode mode,
-    const std::string& channel_id_server_id) {
-  return ((mode == BrowsingDataFilterBuilder::WHITELIST) ==
-      (domains_and_ips.find(channel_id_server_id) != domains_and_ips.end()));
-}
-
-// True if none of the supplied domains matches this plugin's |site| and we're
-// a blacklist, or one of them does and we're a whitelist. The whitelist or
-// blacklist is represented by |domains_and_ips| and |mode|.
-bool MatchesPluginSiteForRegisterableDomainsAndIPs(
-    const std::set<std::string>& domains_and_ips,
-    BrowsingDataFilterBuilder::Mode mode,
-    const std::string& site) {
-  // If |site| is a third- or lower-level domain, find the corresponding eTLD+1.
-  std::string domain_or_ip =
-      GetDomainAndRegistry(site, INCLUDE_PRIVATE_REGISTRIES);
-  if (domain_or_ip.empty())
-    domain_or_ip = site;
-
-  return ((mode == BrowsingDataFilterBuilder::WHITELIST) ==
-      (domains_and_ips.find(domain_or_ip) != domains_and_ips.end()));
-}
-
-bool NoopFilter(const GURL& url) {
-  return true;
-}
-
-}  // namespace
-
-// static
-std::unique_ptr<BrowsingDataFilterBuilder>
-BrowsingDataFilterBuilder::Create(Mode mode) {
-  return base::MakeUnique<BrowsingDataFilterBuilderImpl>(mode);
-}
-
-// static
-base::Callback<bool(const GURL&)> BrowsingDataFilterBuilder::BuildNoopFilter() {
-  return base::Bind(&NoopFilter);
-}
-
-BrowsingDataFilterBuilderImpl::BrowsingDataFilterBuilderImpl(Mode mode)
-    : mode_(mode) {}
-
-BrowsingDataFilterBuilderImpl::~BrowsingDataFilterBuilderImpl() {}
-
-void BrowsingDataFilterBuilderImpl::AddOrigin(const url::Origin& origin) {
-  // TODO(msramek): Optimize OriginFilterBuilder for larger filters if needed.
-  DCHECK_LE(origins_.size(), 10U) << "OriginFilterBuilder is only suitable "
-                                     "for creating small filters.";
-
-  // By limiting the filter to non-unique origins, we can guarantee that
-  // origin1 < origin2 && origin1 > origin2 <=> origin1.isSameOrigin(origin2).
-  // This means that std::set::find() will use the same semantics for
-  // origin comparison as Origin::IsSameOriginWith(). Furthermore, this
-  // means that two filters are equal iff they are equal element-wise.
-  DCHECK(!origin.unique()) << "Invalid origin passed into OriginFilter.";
-
-  // TODO(msramek): All urls with file scheme currently map to the same
-  // origin. This is currently not a problem, but if it becomes one,
-  // consider recognizing the URL path.
-
-  origins_.insert(origin);
-}
-
-void BrowsingDataFilterBuilderImpl::AddRegisterableDomain(
-    const std::string& domain) {
-  // We check that the domain we're given is actually a eTLD+1, an IP address,
-  // or an internal hostname.
-  DCHECK(!IsSubdomainOfARegistrableDomain(domain));
-  domains_.insert(domain);
-}
-
-bool BrowsingDataFilterBuilderImpl::IsEmptyBlacklist() const {
-  return mode_ == Mode::BLACKLIST && origins_.empty() && domains_.empty();
-}
-
-base::RepeatingCallback<bool(const GURL&)>
-BrowsingDataFilterBuilderImpl::BuildGeneralFilter() const {
-  return base::BindRepeating(&MatchesURL, origins_, domains_, mode_);
-}
-
-base::RepeatingCallback<bool(const net::CanonicalCookie& cookie)>
-BrowsingDataFilterBuilderImpl::BuildCookieFilter() const {
-  DCHECK(origins_.empty()) <<
-      "Origin-based deletion is not suitable for cookies. Please use "
-      "different scoping, such as RegistrableDomainFilterBuilder.";
-  return base::BindRepeating(&MatchesCookieForRegisterableDomainsAndIPs,
-                             domains_, mode_);
-}
-
-base::RepeatingCallback<bool(const std::string& channel_id_server_id)>
-BrowsingDataFilterBuilderImpl::BuildChannelIDFilter() const {
-  DCHECK(origins_.empty()) <<
-      "Origin-based deletion is not suitable for channel IDs. Please use "
-      "different scoping, such as RegistrableDomainFilterBuilder.";
-  return base::BindRepeating(&MatchesChannelIDForRegisterableDomainsAndIPs,
-                             domains_, mode_);
-}
-
-base::RepeatingCallback<bool(const std::string& site)>
-BrowsingDataFilterBuilderImpl::BuildPluginFilter() const {
-  DCHECK(origins_.empty()) <<
-      "Origin-based deletion is not suitable for plugins. Please use "
-      "different scoping, such as RegistrableDomainFilterBuilder.";
-  return base::BindRepeating(&MatchesPluginSiteForRegisterableDomainsAndIPs,
-                             domains_, mode_);
-}
-
-BrowsingDataFilterBuilderImpl::Mode
-BrowsingDataFilterBuilderImpl::GetMode() const {
-  return mode_;
-}
-
-std::unique_ptr<BrowsingDataFilterBuilder>
-BrowsingDataFilterBuilderImpl::Copy() const {
-  std::unique_ptr<BrowsingDataFilterBuilderImpl> copy =
-      base::MakeUnique<BrowsingDataFilterBuilderImpl>(mode_);
-  copy->origins_ = origins_;
-  copy->domains_ = domains_;
-  return std::move(copy);
-}
-
-bool BrowsingDataFilterBuilderImpl::operator==(
-    const BrowsingDataFilterBuilder& other) const {
-  // This is the only implementation of BrowsingDataFilterBuilder, so we can
-  // downcast |other|.
-  const BrowsingDataFilterBuilderImpl* other_impl =
-      static_cast<const BrowsingDataFilterBuilderImpl*>(&other);
-
-  return origins_ == other_impl->origins_ &&
-         domains_ == other_impl->domains_ &&
-         mode_ == other_impl->mode_;
-}