Show apps protecting local data in chrome://settings/cookies.

chrome/browser/cookies_tree_model.cc

 // 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/browser/cookies_tree_model.h"
 
 #include <algorithm>
 #include <functional>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/linked_ptr.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browsing_data_cookie_helper.h"
 #include "chrome/browser/browsing_data_server_bound_cert_helper.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_special_storage_policy.h"
 #include "content/public/common/url_constants.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "grit/theme_resources_standard.h"
 #include "grit/ui_resources.h"
 #include "net/base/registry_controlled_domain.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/url_request/url_request_context.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace {
 
 struct NodeTitleComparator {
   bool operator()(const CookieTreeNode* lhs, const CookieTreeNode* rhs) {
     return lhs->GetTitle() < rhs->GetTitle();
   }
 };
 
 // Comparison functor, for use in CookieTreeRootNode.
-struct OriginNodeComparator {
+struct HostNodeComparator {
   bool operator()(const CookieTreeNode* lhs, const CookieTreeNode* rhs) {
     // We want to order by registry controlled domain, so we would get
     // google.com, ad.google.com, www.google.com,
     // microsoft.com, ad.microsoft.com. CanonicalizeHost transforms the origins
     // into a form like google.com.www so that string comparisons work.
-    return (CanonicalizeHost(lhs->GetTitle()) <
-            CanonicalizeHost(rhs->GetTitle()));
-  }
 
-  static std::string CanonicalizeHost(const string16& host16) {
-    // The canonicalized representation makes the registry controlled domain
-    // come first, and then adds subdomains in reverse order, e.g.
-    // 1.mail.google.com would become google.com.mail.1, and then a standard
-    // string comparison works to order hosts by registry controlled domain
-    // first. Leading dots are ignored, ".google.com" is the same as
-    // "google.com".
-
-    std::string host = UTF16ToUTF8(host16);
-    std::string retval = net::RegistryControlledDomainService::
-        GetDomainAndRegistry(host);
-    if (!retval.length())  // Is an IP address or other special origin.
-      return host;
-
-    std::string::size_type position = host.rfind(retval);
-
-    // The host may be the registry controlled domain, in which case fail fast.
-    if (position == 0 || position == std::string::npos)
-      return host;
-
-    // If host is www.google.com, retval will contain google.com at this point.
-    // Start operating to the left of the registry controlled domain, e.g. in
-    // the www.google.com example, start at index 3.
-    --position;
-
-    // If position == 0, that means it's a dot; this will be ignored to treat
-    // ".google.com" the same as "google.com".
-    while (position > 0) {
-      retval += std::string(".");
-      // Copy up to the next dot. host[position] is a dot so start after it.
-      std::string::size_type next_dot = host.rfind(".", position - 1);
-      if (next_dot == std::string::npos) {
-        retval += host.substr(0, position);
-        break;
-      }
-      retval += host.substr(next_dot + 1, position - (next_dot + 1));
-      position = next_dot;
-    }
-    return retval;
+    CHECK_EQ(CookieTreeNode::DetailedInfo::TYPE_HOST,
+             lhs->GetDetailedInfo().node_type);
+    const CookieTreeHostNode* left_host =
+        static_cast<const CookieTreeHostNode*>(lhs);
+    CHECK_EQ(CookieTreeNode::DetailedInfo::TYPE_HOST,
+             rhs->GetDetailedInfo().node_type);
+    const CookieTreeHostNode* right_host =
+        static_cast<const CookieTreeHostNode*>(rhs);
+    return (left_host->canonicalized_host() <
+            right_host->canonicalized_host());
   }
 };
 
+bool TypeIsProtected(CookieTreeNode::DetailedInfo::NodeType type) {
+  switch (type) {
+    case CookieTreeNode::DetailedInfo::TYPE_COOKIE:
+      return false;
+    case CookieTreeNode::DetailedInfo::TYPE_DATABASE:
+      return true;
+    case CookieTreeNode::DetailedInfo::TYPE_LOCAL_STORAGE:
+      return true;
+    case CookieTreeNode::DetailedInfo::TYPE_SESSION_STORAGE:
+      return true;
+    case CookieTreeNode::DetailedInfo::TYPE_APPCACHE:
+      return true;
+    case CookieTreeNode::DetailedInfo::TYPE_INDEXED_DB:
+      return true;
+    case CookieTreeNode::DetailedInfo::TYPE_FILE_SYSTEM:
+      return true;
+    case CookieTreeNode::DetailedInfo::TYPE_QUOTA:
+      return true;
+    case CookieTreeNode::DetailedInfo::TYPE_SERVER_BOUND_CERT:
+      return false;
+    default:
+      break;
+  }
+  return false;
+}
+
 }  // namespace
 
+CookieTreeNode::DetailedInfo::DetailedInfo()
+    : node_type(TYPE_NONE),
+      cookie(NULL),
+      database_info(NULL),
+      local_storage_info(NULL),
+      session_storage_info(NULL),
+      appcache_info(NULL),
+      indexed_db_info(NULL),
+      file_system_info(NULL),
+      quota_info(NULL),
+      server_bound_cert(NULL) {}
+
+CookieTreeNode::DetailedInfo::~DetailedInfo() {}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::Init(
+    NodeType type) {
+  DCHECK_EQ(TYPE_NONE, node_type);
+  node_type = type;
+  return *this;
+}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::InitCookie(
+    const net::CookieMonster::CanonicalCookie* cookie) {
+  Init(TYPE_COOKIE);
+  this->cookie = cookie;
+  return *this;
+}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::InitDatabase(
+    const BrowsingDataDatabaseHelper::DatabaseInfo* database_info) {
+  Init(TYPE_DATABASE);
+  this->database_info = database_info;
+  origin = GURL(database_info->origin);
+  return *this;
+}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::InitLocalStorage(
+    const BrowsingDataLocalStorageHelper::LocalStorageInfo*
+    local_storage_info) {
+  Init(TYPE_LOCAL_STORAGE);
+  this->local_storage_info = local_storage_info;
+  origin = local_storage_info->origin_url;
+  return *this;
+}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::InitSessionStorage(
+    const BrowsingDataLocalStorageHelper::LocalStorageInfo*
+    session_storage_info) {
+  Init(TYPE_SESSION_STORAGE);
+  this->session_storage_info = session_storage_info;
+  origin = session_storage_info->origin_url;
+  return *this;
+}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::InitAppCache(
+    const GURL& origin,
+    const appcache::AppCacheInfo* appcache_info) {
+  Init(TYPE_APPCACHE);
+  this->appcache_info = appcache_info;
+  this->origin = origin;
+  return *this;
+}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::InitIndexedDB(
+    const BrowsingDataIndexedDBHelper::IndexedDBInfo* indexed_db_info) {
+  Init(TYPE_INDEXED_DB);
+  this->indexed_db_info = indexed_db_info;
+  this->origin = indexed_db_info->origin;
+  return *this;
+}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::InitFileSystem(
+    const BrowsingDataFileSystemHelper::FileSystemInfo* file_system_info) {
+  Init(TYPE_FILE_SYSTEM);
+  this->file_system_info = file_system_info;
+  this->origin = file_system_info->origin;
+  return *this;
+}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::InitQuota(
+    const BrowsingDataQuotaHelper::QuotaInfo* quota_info) {
+  Init(TYPE_QUOTA);
+  this->quota_info = quota_info;
+  return *this;
+}
+
+CookieTreeNode::DetailedInfo& CookieTreeNode::DetailedInfo::InitServerBoundCert(
+    const net::ServerBoundCertStore::ServerBoundCert* server_bound_cert) {
+  Init(TYPE_SERVER_BOUND_CERT);
+  this->server_bound_cert = server_bound_cert;
+  return *this;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeNode, public:
 
 void CookieTreeNode::DeleteStoredObjects() {
   std::for_each(children().begin(),
                 children().end(),
                 std::mem_fun(&CookieTreeNode::DeleteStoredObjects));
 }
 
 CookiesTreeModel* CookieTreeNode::GetModel() const {
@@ skipping 14 matching lines @@
 
 CookieTreeCookieNode::~CookieTreeCookieNode() {}
 
 void CookieTreeCookieNode::DeleteStoredObjects() {
   // notify CookieMonster that we should delete this cookie
   GetModel()->cookie_helper_->DeleteCookie(*cookie_);
   GetModel()->cookie_list_.erase(cookie_);
 }
 
 CookieTreeNode::DetailedInfo CookieTreeCookieNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->parent()->GetTitle()).InitCookie(&*cookie_);
+  return DetailedInfo().InitCookie(&*cookie_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeAppCacheNode, public:
 
 CookieTreeAppCacheNode::CookieTreeAppCacheNode(
     const GURL& origin_url,
     std::list<appcache::AppCacheInfo>::iterator appcache_info)
     : CookieTreeNode(UTF8ToUTF16(appcache_info->manifest_url.spec())),
       origin_url_(origin_url),
       appcache_info_(appcache_info) {
 }
 
 CookieTreeAppCacheNode::~CookieTreeAppCacheNode() {
 }
 
 void CookieTreeAppCacheNode::DeleteStoredObjects() {
   DCHECK(GetModel()->appcache_helper_);
   GetModel()->appcache_helper_->DeleteAppCacheGroup(
       appcache_info_->manifest_url);
   GetModel()->appcache_info_[origin_url_].erase(appcache_info_);
 }
 
 CookieTreeNode::DetailedInfo CookieTreeAppCacheNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->parent()->GetTitle()).InitAppCache(
-      &*appcache_info_);
+  return DetailedInfo().InitAppCache(origin_url_, &*appcache_info_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeDatabaseNode, public:
 
 CookieTreeDatabaseNode::CookieTreeDatabaseNode(
     std::list<BrowsingDataDatabaseHelper::DatabaseInfo>::iterator database_info)
     : CookieTreeNode(database_info->database_name.empty() ?
           l10n_util::GetStringUTF16(IDS_COOKIES_WEB_DATABASE_UNNAMED_NAME) :
           UTF8ToUTF16(database_info->database_name)),
       database_info_(database_info) {
 }
 
 CookieTreeDatabaseNode::~CookieTreeDatabaseNode() {}
 
 void CookieTreeDatabaseNode::DeleteStoredObjects() {
   GetModel()->database_helper_->DeleteDatabase(
       database_info_->origin_identifier, database_info_->database_name);
   GetModel()->database_info_list_.erase(database_info_);
 }
 
 CookieTreeNode::DetailedInfo CookieTreeDatabaseNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->parent()->GetTitle()).InitDatabase(
-      &*database_info_);
+  return DetailedInfo().InitDatabase(&*database_info_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeLocalStorageNode, public:
 
 CookieTreeLocalStorageNode::CookieTreeLocalStorageNode(
     std::list<BrowsingDataLocalStorageHelper::LocalStorageInfo>::iterator
         local_storage_info)
     : CookieTreeNode(UTF8ToUTF16(local_storage_info->origin_url.spec())),
       local_storage_info_(local_storage_info) {
 }
 
 CookieTreeLocalStorageNode::~CookieTreeLocalStorageNode() {}
 
 void CookieTreeLocalStorageNode::DeleteStoredObjects() {
   GetModel()->local_storage_helper_->DeleteOrigin(
       local_storage_info_->origin_url);
   GetModel()->local_storage_info_list_.erase(local_storage_info_);
 }
 
 CookieTreeNode::DetailedInfo
 CookieTreeLocalStorageNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->parent()->GetTitle()).InitLocalStorage(
+  return DetailedInfo().InitLocalStorage(
       &*local_storage_info_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeSessionStorageNode, public:
 
 CookieTreeSessionStorageNode::CookieTreeSessionStorageNode(
     std::list<BrowsingDataLocalStorageHelper::LocalStorageInfo>::iterator
         session_storage_info)
     : CookieTreeNode(UTF8ToUTF16(session_storage_info->origin_url.spec())),
       session_storage_info_(session_storage_info) {
 }
 
 CookieTreeSessionStorageNode::~CookieTreeSessionStorageNode() {}
 
 void CookieTreeSessionStorageNode::DeleteStoredObjects() {
   GetModel()->session_storage_info_list_.erase(session_storage_info_);
 }
 
 CookieTreeNode::DetailedInfo
 CookieTreeSessionStorageNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->parent()->GetTitle()).InitSessionStorage(
-      &*session_storage_info_);
+  return DetailedInfo().InitSessionStorage(&*session_storage_info_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeIndexedDBNode, public:
 
 CookieTreeIndexedDBNode::CookieTreeIndexedDBNode(
     std::list<BrowsingDataIndexedDBHelper::IndexedDBInfo>::iterator
         indexed_db_info)
     : CookieTreeNode(UTF8ToUTF16(
           indexed_db_info->origin.spec())),
       indexed_db_info_(indexed_db_info) {
 }
 
 CookieTreeIndexedDBNode::~CookieTreeIndexedDBNode() {}
 
 void CookieTreeIndexedDBNode::DeleteStoredObjects() {
   GetModel()->indexed_db_helper_->DeleteIndexedDB(
       indexed_db_info_->origin);
   GetModel()->indexed_db_info_list_.erase(indexed_db_info_);
 }
 
 CookieTreeNode::DetailedInfo CookieTreeIndexedDBNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->parent()->GetTitle()).InitIndexedDB(
-      &*indexed_db_info_);
+  return DetailedInfo().InitIndexedDB(&*indexed_db_info_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeFileSystemNode, public:
 
 CookieTreeFileSystemNode::CookieTreeFileSystemNode(
     std::list<BrowsingDataFileSystemHelper::FileSystemInfo>::iterator
         file_system_info)
     : CookieTreeNode(UTF8ToUTF16(
           file_system_info->origin.spec())),
       file_system_info_(file_system_info) {
 }
 
 CookieTreeFileSystemNode::~CookieTreeFileSystemNode() {}
 
 void CookieTreeFileSystemNode::DeleteStoredObjects() {
   GetModel()->file_system_helper_->DeleteFileSystemOrigin(
       file_system_info_->origin);
   GetModel()->file_system_info_list_.erase(file_system_info_);
 }
 
 CookieTreeNode::DetailedInfo CookieTreeFileSystemNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->parent()->GetTitle()).InitFileSystem(
-      &*file_system_info_);
+  return DetailedInfo().InitFileSystem(&*file_system_info_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeQuotaNode, public:
 
 CookieTreeQuotaNode::CookieTreeQuotaNode(
     std::list<BrowsingDataQuotaHelper::QuotaInfo>::iterator quota_info)
     : CookieTreeNode(UTF8ToUTF16(quota_info->host)),
       quota_info_(quota_info) {
 }
 
 CookieTreeQuotaNode::~CookieTreeQuotaNode() {}
 
 void CookieTreeQuotaNode::DeleteStoredObjects() {
   // Calling this function may cause unexpected over-quota state of origin.
   // However, it'll caused no problem, just prevent usage growth of the origin.
   GetModel()->quota_helper_->RevokeHostQuota(quota_info_->host);
   GetModel()->quota_info_list_.erase(quota_info_);
 }
 
 CookieTreeNode::DetailedInfo CookieTreeQuotaNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->parent()->GetTitle()).InitQuota(
-      &*quota_info_);
+  return DetailedInfo().InitQuota(&*quota_info_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeServerBoundCertNode, public:
 
 CookieTreeServerBoundCertNode::CookieTreeServerBoundCertNode(
       net::ServerBoundCertStore::ServerBoundCertList::iterator cert)
     : CookieTreeNode(ASCIIToUTF16(cert->server_identifier())),
       server_bound_cert_(cert) {
 }
 
 CookieTreeServerBoundCertNode::~CookieTreeServerBoundCertNode() {}
 
 void CookieTreeServerBoundCertNode::DeleteStoredObjects() {
   GetModel()->server_bound_cert_helper_->DeleteServerBoundCert(
       server_bound_cert_->server_identifier());
   GetModel()->server_bound_cert_list_.erase(server_bound_cert_);
 }
 
 CookieTreeNode::DetailedInfo
 CookieTreeServerBoundCertNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->parent()->GetTitle()).InitServerBoundCert(
-      &*server_bound_cert_);
+  return DetailedInfo().InitServerBoundCert(&*server_bound_cert_);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeRootNode, public:
 
 CookieTreeRootNode::CookieTreeRootNode(CookiesTreeModel* model)
     : model_(model) {
 }
 
 CookieTreeRootNode::~CookieTreeRootNode() {}
 
-CookieTreeOriginNode* CookieTreeRootNode::GetOrCreateOriginNode(
+CookieTreeHostNode* CookieTreeRootNode::GetOrCreateHostNode(
     const GURL& url) {
-  CookieTreeOriginNode origin_node(url);
+  scoped_ptr<CookieTreeHostNode> host_node(new CookieTreeHostNode(url));
 
   // First see if there is an existing match.
-  std::vector<CookieTreeNode*>::iterator origin_node_iterator =
-      std::lower_bound(children().begin(), children().end(), &origin_node,
-                       OriginNodeComparator());
+  std::vector<CookieTreeNode*>::iterator host_node_iterator =
+      std::lower_bound(children().begin(), children().end(), host_node.get(),
+                       HostNodeComparator());
 
-  if (origin_node_iterator != children().end() &&
-      WideToUTF16Hack(CookieTreeOriginNode::TitleForUrl(url)) ==
-      (*origin_node_iterator)->GetTitle())
-    return static_cast<CookieTreeOriginNode*>(*origin_node_iterator);
+  if (host_node_iterator != children().end() &&
+      host_node->GetTitle() == (*host_node_iterator)->GetTitle()) {
+    return static_cast<CookieTreeHostNode*>(*host_node_iterator);
+  }
   // Node doesn't exist, create a new one and insert it into the (ordered)
   // children.
-  CookieTreeOriginNode* retval = new CookieTreeOriginNode(url);
   DCHECK(model_);
-  model_->Add(this, retval, (origin_node_iterator - children().begin()));
-  return retval;
+  model_->Add(this, host_node.get(),
+              (host_node_iterator - children().begin()));
+  return host_node.release();
 }
 
 CookiesTreeModel* CookieTreeRootNode::GetModel() const {
   return model_;
 }
 
 CookieTreeNode::DetailedInfo CookieTreeRootNode::GetDetailedInfo() const {
-  return DetailedInfo(string16()).Init(DetailedInfo::TYPE_ROOT);
+  return DetailedInfo().Init(DetailedInfo::TYPE_ROOT);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
-// CookieTreeOriginNode, public:
+// CookieTreeHostNode, public:
 
 // static
-std::wstring CookieTreeOriginNode::TitleForUrl(const GURL& url) {
+string16 CookieTreeHostNode::TitleForUrl(
+    const GURL& url) {
   const std::string file_origin_node_name(
       std::string(chrome::kFileScheme) + content::kStandardSchemeSeparator);
-  return UTF8ToWide(url.SchemeIsFile() ? file_origin_node_name : url.host());
+  return UTF8ToUTF16(url.SchemeIsFile() ? file_origin_node_name : url.host());
 }
 
-CookieTreeOriginNode::CookieTreeOriginNode(const GURL& url)
-    : CookieTreeNode(WideToUTF16Hack(TitleForUrl(url))),
+CookieTreeHostNode::CookieTreeHostNode(const GURL& url)
+    : CookieTreeNode(TitleForUrl(url)),
       cookies_child_(NULL),
       databases_child_(NULL),
       local_storages_child_(NULL),
       session_storages_child_(NULL),
       appcaches_child_(NULL),
       indexed_dbs_child_(NULL),
       file_systems_child_(NULL),
       quota_child_(NULL),
       server_bound_certs_child_(NULL),
-      url_(url) {}
+      url_(url),
+      canonicalized_host_(CanonicalizeHost(url)) {}
 
-CookieTreeOriginNode::~CookieTreeOriginNode() {}
+CookieTreeHostNode::~CookieTreeHostNode() {}
 
-CookieTreeNode::DetailedInfo CookieTreeOriginNode::GetDetailedInfo() const {
-  return DetailedInfo(GetTitle()).Init(DetailedInfo::TYPE_ORIGIN);
+CookieTreeNode::DetailedInfo CookieTreeHostNode::GetDetailedInfo() const {
+  return DetailedInfo().Init(DetailedInfo::TYPE_HOST);
 }
 
-CookieTreeCookiesNode* CookieTreeOriginNode::GetOrCreateCookiesNode() {
+CookieTreeCookiesNode* CookieTreeHostNode::GetOrCreateCookiesNode() {
   if (cookies_child_)
     return cookies_child_;
   cookies_child_ = new CookieTreeCookiesNode;
   AddChildSortedByTitle(cookies_child_);
   return cookies_child_;
 }
 
-CookieTreeDatabasesNode* CookieTreeOriginNode::GetOrCreateDatabasesNode() {
+CookieTreeDatabasesNode* CookieTreeHostNode::GetOrCreateDatabasesNode() {
   if (databases_child_)
     return databases_child_;
   databases_child_ = new CookieTreeDatabasesNode;
   AddChildSortedByTitle(databases_child_);
   return databases_child_;
 }
 
 CookieTreeLocalStoragesNode*
-    CookieTreeOriginNode::GetOrCreateLocalStoragesNode() {
+    CookieTreeHostNode::GetOrCreateLocalStoragesNode() {
   if (local_storages_child_)
     return local_storages_child_;
   local_storages_child_ = new CookieTreeLocalStoragesNode;
   AddChildSortedByTitle(local_storages_child_);
   return local_storages_child_;
 }
 
 CookieTreeSessionStoragesNode*
-    CookieTreeOriginNode::GetOrCreateSessionStoragesNode() {
+    CookieTreeHostNode::GetOrCreateSessionStoragesNode() {
   if (session_storages_child_)
     return session_storages_child_;
   session_storages_child_ = new CookieTreeSessionStoragesNode;
   AddChildSortedByTitle(session_storages_child_);
   return session_storages_child_;
 }
 
-CookieTreeAppCachesNode* CookieTreeOriginNode::GetOrCreateAppCachesNode() {
+CookieTreeAppCachesNode* CookieTreeHostNode::GetOrCreateAppCachesNode() {
   if (appcaches_child_)
     return appcaches_child_;
   appcaches_child_ = new CookieTreeAppCachesNode;
   AddChildSortedByTitle(appcaches_child_);
   return appcaches_child_;
 }
 
-CookieTreeIndexedDBsNode* CookieTreeOriginNode::GetOrCreateIndexedDBsNode() {
+CookieTreeIndexedDBsNode* CookieTreeHostNode::GetOrCreateIndexedDBsNode() {
   if (indexed_dbs_child_)
     return indexed_dbs_child_;
   indexed_dbs_child_ = new CookieTreeIndexedDBsNode;
   AddChildSortedByTitle(indexed_dbs_child_);
   return indexed_dbs_child_;
 }
 
-CookieTreeFileSystemsNode* CookieTreeOriginNode::GetOrCreateFileSystemsNode() {
+CookieTreeFileSystemsNode* CookieTreeHostNode::GetOrCreateFileSystemsNode() {
   if (file_systems_child_)
     return file_systems_child_;
   file_systems_child_ = new CookieTreeFileSystemsNode;
   AddChildSortedByTitle(file_systems_child_);
   return file_systems_child_;
 }
 
-CookieTreeQuotaNode* CookieTreeOriginNode::UpdateOrCreateQuotaNode(
+CookieTreeQuotaNode* CookieTreeHostNode::UpdateOrCreateQuotaNode(
     std::list<BrowsingDataQuotaHelper::QuotaInfo>::iterator quota_info) {
   if (quota_child_)
     return quota_child_;
   quota_child_ = new CookieTreeQuotaNode(quota_info);
   AddChildSortedByTitle(quota_child_);
   return quota_child_;
 }
 
 CookieTreeServerBoundCertsNode*
-CookieTreeOriginNode::GetOrCreateServerBoundCertsNode() {
+CookieTreeHostNode::GetOrCreateServerBoundCertsNode() {
   if (server_bound_certs_child_)
     return server_bound_certs_child_;
   server_bound_certs_child_ = new CookieTreeServerBoundCertsNode;
   AddChildSortedByTitle(server_bound_certs_child_);
   return server_bound_certs_child_;
 }
 
-void CookieTreeOriginNode::CreateContentException(
+void CookieTreeHostNode::CreateContentException(
     CookieSettings* cookie_settings, ContentSetting setting) const {
   DCHECK(setting == CONTENT_SETTING_ALLOW ||
          setting == CONTENT_SETTING_BLOCK ||
          setting == CONTENT_SETTING_SESSION_ONLY);
   if (CanCreateContentException()) {
     cookie_settings->ResetCookieSetting(
         ContentSettingsPattern::FromURLNoWildcard(url_),
         ContentSettingsPattern::Wildcard());
     cookie_settings->SetCookieSetting(
         ContentSettingsPattern::FromURL(url_),
         ContentSettingsPattern::Wildcard(), setting);
   }
 }
 
-bool CookieTreeOriginNode::CanCreateContentException() const {
+bool CookieTreeHostNode::CanCreateContentException() const {
   return !url_.SchemeIsFile();
 }
 
+// static
+std::string CookieTreeHostNode::CanonicalizeHost(const GURL& url) {
+  // The canonicalized representation makes the registry controlled domain
+  // come first, and then adds subdomains in reverse order, e.g.
+  // 1.mail.google.com would become google.com.mail.1, and then a standard
+  // string comparison works to order hosts by registry controlled domain
+  // first. Leading dots are ignored, ".google.com" is the same as
+  // "google.com".
+
+  if (url.SchemeIsFile()) {
+    return std::string(chrome::kFileScheme) +
+           content::kStandardSchemeSeparator;
+  }
+
+  std::string host = url.host();
+  std::string retval = net::RegistryControlledDomainService::
+      GetDomainAndRegistry(host);
+  if (!retval.length())  // Is an IP address or other special origin.
+    return host;
+
+  std::string::size_type position = host.rfind(retval);
+
+  // The host may be the registry controlled domain, in which case fail fast.
+  if (position == 0 || position == std::string::npos)
+    return host;
+
+  // If host is www.google.com, retval will contain google.com at this point.
+  // Start operating to the left of the registry controlled domain, e.g. in
+  // the www.google.com example, start at index 3.
+  --position;
+
+  // If position == 0, that means it's a dot; this will be ignored to treat
+  // ".google.com" the same as "google.com".
+  while (position > 0) {
+    retval += std::string(".");
+    // Copy up to the next dot. host[position] is a dot so start after it.
+    std::string::size_type next_dot = host.rfind(".", position - 1);
+    if (next_dot == std::string::npos) {
+      retval += host.substr(0, position);
+      break;
+    }
+    retval += host.substr(next_dot + 1, position - (next_dot + 1));
+    position = next_dot;
+  }
+  return retval;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeCookiesNode, public:
 
 CookieTreeCookiesNode::CookieTreeCookiesNode()
     : CookieTreeNode(l10n_util::GetStringUTF16(IDS_COOKIES_COOKIES)) {
 }
 
 CookieTreeCookiesNode::~CookieTreeCookiesNode() {
 }
 
 CookieTreeNode::DetailedInfo CookieTreeCookiesNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->GetTitle()).Init(DetailedInfo::TYPE_COOKIES);
+  return DetailedInfo().Init(DetailedInfo::TYPE_COOKIES);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeAppCachesNode, public:
 
 CookieTreeAppCachesNode::CookieTreeAppCachesNode()
     : CookieTreeNode(l10n_util::GetStringUTF16(
                          IDS_COOKIES_APPLICATION_CACHES)) {
 }
 
 CookieTreeAppCachesNode::~CookieTreeAppCachesNode() {}
 
 CookieTreeNode::DetailedInfo CookieTreeAppCachesNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->GetTitle()).Init(DetailedInfo::TYPE_APPCACHES);
+  return DetailedInfo().Init(DetailedInfo::TYPE_APPCACHES);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeDatabasesNode, public:
 
 CookieTreeDatabasesNode::CookieTreeDatabasesNode()
     : CookieTreeNode(l10n_util::GetStringUTF16(IDS_COOKIES_WEB_DATABASES)) {
 }
 
 CookieTreeDatabasesNode::~CookieTreeDatabasesNode() {}
 
 CookieTreeNode::DetailedInfo CookieTreeDatabasesNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->GetTitle()).Init(DetailedInfo::TYPE_DATABASES);
+  return DetailedInfo().Init(DetailedInfo::TYPE_DATABASES);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeLocalStoragesNode, public:
 
 CookieTreeLocalStoragesNode::CookieTreeLocalStoragesNode()
     : CookieTreeNode(l10n_util::GetStringUTF16(IDS_COOKIES_LOCAL_STORAGE)) {
 }
 
 CookieTreeLocalStoragesNode::~CookieTreeLocalStoragesNode() {}
 
 CookieTreeNode::DetailedInfo
 CookieTreeLocalStoragesNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->GetTitle()).Init(
-      DetailedInfo::TYPE_LOCAL_STORAGES);
+  return DetailedInfo().Init(DetailedInfo::TYPE_LOCAL_STORAGES);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeSessionStoragesNode, public:
 
 CookieTreeSessionStoragesNode::CookieTreeSessionStoragesNode()
     : CookieTreeNode(l10n_util::GetStringUTF16(IDS_COOKIES_SESSION_STORAGE)) {
 }
 
 CookieTreeSessionStoragesNode::~CookieTreeSessionStoragesNode() {}
 
 CookieTreeNode::DetailedInfo
 CookieTreeSessionStoragesNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->GetTitle()).Init(
-      DetailedInfo::TYPE_SESSION_STORAGES);
+  return DetailedInfo().Init(DetailedInfo::TYPE_SESSION_STORAGES);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeIndexedDBsNode, public:
 
 CookieTreeIndexedDBsNode::CookieTreeIndexedDBsNode()
     : CookieTreeNode(l10n_util::GetStringUTF16(IDS_COOKIES_INDEXED_DBS)) {
 }
 
 CookieTreeIndexedDBsNode::~CookieTreeIndexedDBsNode() {}
 
 CookieTreeNode::DetailedInfo
 CookieTreeIndexedDBsNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->GetTitle()).Init(
-      DetailedInfo::TYPE_INDEXED_DBS);
+  return DetailedInfo().Init(DetailedInfo::TYPE_INDEXED_DBS);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeFileSystemsNode, public:
 
 CookieTreeFileSystemsNode::CookieTreeFileSystemsNode()
     : CookieTreeNode(l10n_util::GetStringUTF16(IDS_COOKIES_FILE_SYSTEMS)) {
 }
 
 CookieTreeFileSystemsNode::~CookieTreeFileSystemsNode() {}
 
 CookieTreeNode::DetailedInfo
 CookieTreeFileSystemsNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->GetTitle()).Init(
-      DetailedInfo::TYPE_FILE_SYSTEMS);
+  return DetailedInfo().Init(DetailedInfo::TYPE_FILE_SYSTEMS);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookieTreeServerBoundCertsNode, public:
 
 CookieTreeServerBoundCertsNode::CookieTreeServerBoundCertsNode()
     : CookieTreeNode(
         l10n_util::GetStringUTF16(IDS_COOKIES_SERVER_BOUND_CERTS)) {
 }
 
 CookieTreeServerBoundCertsNode::~CookieTreeServerBoundCertsNode() {}
 
 CookieTreeNode::DetailedInfo
 CookieTreeServerBoundCertsNode::GetDetailedInfo() const {
-  return DetailedInfo(parent()->GetTitle()).Init(
-      DetailedInfo::TYPE_SERVER_BOUND_CERTS);
+  return DetailedInfo().Init(DetailedInfo::TYPE_SERVER_BOUND_CERTS);
 }
 
 void CookieTreeNode::AddChildSortedByTitle(CookieTreeNode* new_child) {
   DCHECK(new_child);
   std::vector<CookieTreeNode*>::iterator iter =
       std::lower_bound(children().begin(), children().end(), new_child,
                        NodeTitleComparator());
   GetModel()->Add(this, new_child, iter - children().begin());
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CookiesTreeModel, public:
 
 CookiesTreeModel::CookiesTreeModel(
     BrowsingDataCookieHelper* cookie_helper,
     BrowsingDataDatabaseHelper* database_helper,
     BrowsingDataLocalStorageHelper* local_storage_helper,
     BrowsingDataLocalStorageHelper* session_storage_helper,
     BrowsingDataAppCacheHelper* appcache_helper,
     BrowsingDataIndexedDBHelper* indexed_db_helper,
     BrowsingDataFileSystemHelper* file_system_helper,
     BrowsingDataQuotaHelper* quota_helper,
     BrowsingDataServerBoundCertHelper* server_bound_cert_helper,
+    ExtensionSpecialStoragePolicy* special_storage_policy,
     bool use_cookie_source)
     : ALLOW_THIS_IN_INITIALIZER_LIST(ui::TreeNodeModel<CookieTreeNode>(
           new CookieTreeRootNode(this))),
       appcache_helper_(appcache_helper),
       cookie_helper_(cookie_helper),
       database_helper_(database_helper),
       local_storage_helper_(local_storage_helper),
       session_storage_helper_(session_storage_helper),
       indexed_db_helper_(indexed_db_helper),
       file_system_helper_(file_system_helper),
       quota_helper_(quota_helper),
       server_bound_cert_helper_(server_bound_cert_helper),
+      special_storage_policy_(special_storage_policy),
       batch_update_(0),
       use_cookie_source_(use_cookie_source),
       ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {
   DCHECK(cookie_helper_);
   cookie_helper_->StartFetching(
       base::Bind(&CookiesTreeModel::OnCookiesModelInfoLoaded,
                  weak_ptr_factory_.GetWeakPtr()));
   DCHECK(database_helper_);
   database_helper_->StartFetching(
       base::Bind(&CookiesTreeModel::OnDatabaseModelInfoLoaded,
@@ skipping 57 matching lines @@
   icons->push_back(*ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
       IDR_COOKIE_STORAGE_ICON));
 }
 
 // Returns the index of the icon to use for |node|. Return -1 to use the
 // default icon. The index is relative to the list of icons returned from
 // GetIcons.
 int CookiesTreeModel::GetIconIndex(ui::TreeModelNode* node) {
   CookieTreeNode* ct_node = static_cast<CookieTreeNode*>(node);
   switch (ct_node->GetDetailedInfo().node_type) {
-    case CookieTreeNode::DetailedInfo::TYPE_ORIGIN:
+    case CookieTreeNode::DetailedInfo::TYPE_HOST:
       return ORIGIN;
     case CookieTreeNode::DetailedInfo::TYPE_COOKIE:
       return COOKIE;
     case CookieTreeNode::DetailedInfo::TYPE_DATABASE:
       return DATABASE;
     case CookieTreeNode::DetailedInfo::TYPE_LOCAL_STORAGE:
       return DATABASE;  // close enough
     case CookieTreeNode::DetailedInfo::TYPE_SESSION_STORAGE:
       return DATABASE;  // ditto
     case CookieTreeNode::DetailedInfo::TYPE_APPCACHE:
@@ skipping 26 matching lines @@
 void CookiesTreeModel::DeleteCookieNode(CookieTreeNode* cookie_node) {
   if (cookie_node == GetRoot())
     return;
   cookie_node->DeleteStoredObjects();
   CookieTreeNode* parent_node = cookie_node->parent();
   delete Remove(parent_node, cookie_node);
   if (parent_node->empty())
     DeleteCookieNode(parent_node);
 }
 
-void CookiesTreeModel::UpdateSearchResults(const std::wstring& filter) {
+void CookiesTreeModel::UpdateSearchResults(const string16& filter) {
   CookieTreeNode* root = GetRoot();
   int num_children = root->child_count();
   NotifyObserverBeginBatch();
   for (int i = num_children - 1; i >= 0; --i)
     delete Remove(root, root->GetChild(i));
   PopulateCookieInfoWithFilter(filter);
   PopulateDatabaseInfoWithFilter(filter);
   PopulateLocalStorageInfoWithFilter(filter);
   PopulateSessionStorageInfoWithFilter(filter);
   PopulateAppCacheInfoWithFilter(filter);
   PopulateIndexedDBInfoWithFilter(filter);
   PopulateFileSystemInfoWithFilter(filter);
   PopulateQuotaInfoWithFilter(filter);
   PopulateServerBoundCertInfoWithFilter(filter);
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
+const ExtensionSet* CookiesTreeModel::ExtensionsProtectingNode(
+    const CookieTreeNode& cookie_node) {
+  if (!special_storage_policy_)
+    return NULL;
+
+  CookieTreeNode::DetailedInfo info = cookie_node.GetDetailedInfo();
+
+  if (!TypeIsProtected(info.node_type))
+    return NULL;
+
+  DCHECK(!info.origin.is_empty());
+  return special_storage_policy_->ExtensionsProtectingOrigin(info.origin);
+}
+
 void CookiesTreeModel::AddCookiesTreeObserver(Observer* observer) {
   cookies_observer_list_.AddObserver(observer);
   // Call super so that TreeNodeModel can notify, too.
   ui::TreeNodeModel<CookieTreeNode>::AddObserver(observer);
 }
 
 void CookiesTreeModel::RemoveCookiesTreeObserver(Observer* observer) {
   cookies_observer_list_.RemoveObserver(observer);
   // Call super so that TreeNodeModel doesn't have dead pointers.
   ui::TreeNodeModel<CookieTreeNode>::RemoveObserver(observer);
@@ skipping 11 matching lines @@
     return;
 
   for (InfoByOrigin::const_iterator origin =
            appcache_info->infos_by_origin.begin();
        origin != appcache_info->infos_by_origin.end(); ++origin) {
     std::list<AppCacheInfo>& info_list = appcache_info_[origin->first];
     info_list.insert(
         info_list.begin(), origin->second.begin(), origin->second.end());
   }
 
-  PopulateAppCacheInfoWithFilter(std::wstring());
+  PopulateAppCacheInfoWithFilter(string16());
 }
 
 void CookiesTreeModel::PopulateAppCacheInfoWithFilter(
-    const std::wstring& filter) {
+    const string16& filter) {
   using appcache::AppCacheInfo;
   typedef std::map<GURL, std::list<AppCacheInfo> > InfoByOrigin;
 
   if (appcache_info_.empty())
     return;
 
   CookieTreeRootNode* root = static_cast<CookieTreeRootNode*>(GetRoot());
   NotifyObserverBeginBatch();
   for (InfoByOrigin::iterator origin = appcache_info_.begin();
        origin != appcache_info_.end(); ++origin) {
-    std::wstring origin_node_name = UTF8ToWide(origin->first.host());
+    string16 host_node_name = UTF8ToUTF16(origin->first.host());
     if (filter.empty() ||
-        (origin_node_name.find(filter) != std::wstring::npos)) {
-      CookieTreeOriginNode* origin_node =
-          root->GetOrCreateOriginNode(origin->first);
+        (host_node_name.find(filter) != std::string::npos)) {
+      CookieTreeHostNode* host_node =
+          root->GetOrCreateHostNode(origin->first);
       CookieTreeAppCachesNode* appcaches_node =
-          origin_node->GetOrCreateAppCachesNode();
+          host_node->GetOrCreateAppCachesNode();
 
       for (std::list<AppCacheInfo>::iterator info = origin->second.begin();
            info != origin->second.end(); ++info) {
         appcaches_node->AddAppCacheNode(
             new CookieTreeAppCacheNode(origin->first, info));
       }
     }
   }
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
 void CookiesTreeModel::OnCookiesModelInfoLoaded(
     const net::CookieList& cookie_list) {
   cookie_list_.insert(cookie_list_.begin(),
                       cookie_list.begin(),
                       cookie_list.end());
-  PopulateCookieInfoWithFilter(std::wstring());
+  PopulateCookieInfoWithFilter(string16());
 }
 
 void CookiesTreeModel::PopulateCookieInfoWithFilter(
-    const std::wstring& filter) {
+    const string16& filter) {
   // mmargh mmargh mmargh! delicious!
 
   CookieTreeRootNode* root = static_cast<CookieTreeRootNode*>(GetRoot());
   NotifyObserverBeginBatch();
   for (CookieList::iterator it = cookie_list_.begin();
        it != cookie_list_.end(); ++it) {
     std::string source_string = it->Source();
     if (source_string.empty() || !use_cookie_source_) {
       std::string domain = it->Domain();
       if (domain.length() > 1 && domain[0] == '.')
         domain = domain.substr(1);
 
       // We treat secure cookies just the same as normal ones.
       source_string = std::string(chrome::kHttpScheme) +
           content::kStandardSchemeSeparator + domain + "/";
     }
 
     GURL source(source_string);
     if (!filter.size() ||
-        (CookieTreeOriginNode::TitleForUrl(source).find(filter) !=
+        (CookieTreeHostNode::TitleForUrl(source).find(filter) !=
          std::string::npos)) {
-      CookieTreeOriginNode* origin_node =
-          root->GetOrCreateOriginNode(source);
+      CookieTreeHostNode* host_node =
+          root->GetOrCreateHostNode(source);
       CookieTreeCookiesNode* cookies_node =
-          origin_node->GetOrCreateCookiesNode();
+          host_node->GetOrCreateCookiesNode();
       CookieTreeCookieNode* new_cookie = new CookieTreeCookieNode(it);
       cookies_node->AddCookieNode(new_cookie);
     }
   }
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
 void CookiesTreeModel::OnDatabaseModelInfoLoaded(
     const DatabaseInfoList& database_info) {
   database_info_list_ = database_info;
-  PopulateDatabaseInfoWithFilter(std::wstring());
+  PopulateDatabaseInfoWithFilter(string16());
 }
 
 void CookiesTreeModel::PopulateDatabaseInfoWithFilter(
-    const std::wstring& filter) {
+    const string16& filter) {
   if (database_info_list_.empty())
     return;
   CookieTreeRootNode* root = static_cast<CookieTreeRootNode*>(GetRoot());
   NotifyObserverBeginBatch();
   for (DatabaseInfoList::iterator database_info = database_info_list_.begin();
        database_info != database_info_list_.end();
        ++database_info) {
     GURL origin(database_info->origin);
 
     if (!filter.size() ||
-        (CookieTreeOriginNode::TitleForUrl(origin).find(filter) !=
-         std::wstring::npos)) {
-      CookieTreeOriginNode* origin_node =
-          root->GetOrCreateOriginNode(origin);
+        (CookieTreeHostNode::TitleForUrl(origin).find(filter) !=
+         std::string::npos)) {
+      CookieTreeHostNode* host_node =
+          root->GetOrCreateHostNode(origin);
       CookieTreeDatabasesNode* databases_node =
-          origin_node->GetOrCreateDatabasesNode();
+          host_node->GetOrCreateDatabasesNode();
       databases_node->AddDatabaseNode(
           new CookieTreeDatabaseNode(database_info));
     }
   }
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
 void CookiesTreeModel::OnLocalStorageModelInfoLoaded(
     const LocalStorageInfoList& local_storage_info) {
   local_storage_info_list_ = local_storage_info;
-  PopulateLocalStorageInfoWithFilter(std::wstring());
+  PopulateLocalStorageInfoWithFilter(string16());
 }
 
 void CookiesTreeModel::PopulateLocalStorageInfoWithFilter(
-    const std::wstring& filter) {
+    const string16& filter) {
   if (local_storage_info_list_.empty())
     return;
   CookieTreeRootNode* root = static_cast<CookieTreeRootNode*>(GetRoot());
   NotifyObserverBeginBatch();
   for (LocalStorageInfoList::iterator local_storage_info =
        local_storage_info_list_.begin();
        local_storage_info != local_storage_info_list_.end();
        ++local_storage_info) {
     const GURL& origin(local_storage_info->origin_url);
 
     if (!filter.size() ||
-        (CookieTreeOriginNode::TitleForUrl(origin).find(filter) !=
-         std::wstring::npos)) {
-      CookieTreeOriginNode* origin_node =
-          root->GetOrCreateOriginNode(origin);
+        (CookieTreeHostNode::TitleForUrl(origin).find(filter) !=
+         std::string::npos)) {
+      CookieTreeHostNode* host_node =
+          root->GetOrCreateHostNode(origin);
       CookieTreeLocalStoragesNode* local_storages_node =
-          origin_node->GetOrCreateLocalStoragesNode();
+          host_node->GetOrCreateLocalStoragesNode();
       local_storages_node->AddLocalStorageNode(
           new CookieTreeLocalStorageNode(local_storage_info));
     }
   }
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
 void CookiesTreeModel::OnSessionStorageModelInfoLoaded(
     const LocalStorageInfoList& session_storage_info) {
   session_storage_info_list_ = session_storage_info;
-  PopulateSessionStorageInfoWithFilter(std::wstring());
+  PopulateSessionStorageInfoWithFilter(string16());
 }
 
 void CookiesTreeModel::PopulateSessionStorageInfoWithFilter(
-    const std::wstring& filter) {
+    const string16& filter) {
   if (session_storage_info_list_.empty())
     return;
   CookieTreeRootNode* root = static_cast<CookieTreeRootNode*>(GetRoot());
   NotifyObserverBeginBatch();
   for (LocalStorageInfoList::iterator session_storage_info =
        session_storage_info_list_.begin();
        session_storage_info != session_storage_info_list_.end();
        ++session_storage_info) {
     const GURL& origin = session_storage_info->origin_url;
     if (!filter.size() ||
-        (CookieTreeOriginNode::TitleForUrl(origin).find(filter) !=
-         std::wstring::npos)) {
-      CookieTreeOriginNode* origin_node =
-          root->GetOrCreateOriginNode(origin);
+        (CookieTreeHostNode::TitleForUrl(origin).find(filter) !=
+         std::string::npos)) {
+      CookieTreeHostNode* host_node =
+          root->GetOrCreateHostNode(origin);
       CookieTreeSessionStoragesNode* session_storages_node =
-          origin_node->GetOrCreateSessionStoragesNode();
+          host_node->GetOrCreateSessionStoragesNode();
       session_storages_node->AddSessionStorageNode(
           new CookieTreeSessionStorageNode(session_storage_info));
     }
   }
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
 void CookiesTreeModel::OnIndexedDBModelInfoLoaded(
     const IndexedDBInfoList& indexed_db_info) {
   indexed_db_info_list_ = indexed_db_info;
-  PopulateIndexedDBInfoWithFilter(std::wstring());
+  PopulateIndexedDBInfoWithFilter(string16());
 }
 
 void CookiesTreeModel::PopulateIndexedDBInfoWithFilter(
-    const std::wstring& filter) {
+    const string16& filter) {
   if (indexed_db_info_list_.empty())
     return;
   CookieTreeRootNode* root = static_cast<CookieTreeRootNode*>(GetRoot());
   NotifyObserverBeginBatch();
   for (IndexedDBInfoList::iterator indexed_db_info =
        indexed_db_info_list_.begin();
        indexed_db_info != indexed_db_info_list_.end();
        ++indexed_db_info) {
     const GURL& origin = indexed_db_info->origin;
 
     if (!filter.size() ||
-        (CookieTreeOriginNode::TitleForUrl(origin).find(filter) !=
-         std::wstring::npos)) {
-      CookieTreeOriginNode* origin_node =
-          root->GetOrCreateOriginNode(origin);
+        (CookieTreeHostNode::TitleForUrl(origin).find(filter) !=
+         std::string::npos)) {
+      CookieTreeHostNode* host_node =
+          root->GetOrCreateHostNode(origin);
       CookieTreeIndexedDBsNode* indexed_dbs_node =
-          origin_node->GetOrCreateIndexedDBsNode();
+          host_node->GetOrCreateIndexedDBsNode();
       indexed_dbs_node->AddIndexedDBNode(
           new CookieTreeIndexedDBNode(indexed_db_info));
     }
   }
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
 void CookiesTreeModel::OnFileSystemModelInfoLoaded(
     const FileSystemInfoList& file_system_info) {
   file_system_info_list_ = file_system_info;
-  PopulateFileSystemInfoWithFilter(std::wstring());
+  PopulateFileSystemInfoWithFilter(string16());
 }
 
 void CookiesTreeModel::PopulateFileSystemInfoWithFilter(
-    const std::wstring& filter) {
+    const string16& filter) {
   if (file_system_info_list_.empty())
     return;
   CookieTreeRootNode* root = static_cast<CookieTreeRootNode*>(GetRoot());
   NotifyObserverBeginBatch();
   for (FileSystemInfoList::iterator file_system_info =
        file_system_info_list_.begin();
        file_system_info != file_system_info_list_.end();
        ++file_system_info) {
     GURL origin(file_system_info->origin);
 
     if (!filter.size() ||
-        (CookieTreeOriginNode::TitleForUrl(origin).find(filter) !=
-         std::wstring::npos)) {
-      CookieTreeOriginNode* origin_node =
-          root->GetOrCreateOriginNode(origin);
+        (CookieTreeHostNode::TitleForUrl(origin).find(filter) !=
+         std::string::npos)) {
+      CookieTreeHostNode* host_node =
+          root->GetOrCreateHostNode(origin);
       CookieTreeFileSystemsNode* file_systems_node =
-          origin_node->GetOrCreateFileSystemsNode();
+          host_node->GetOrCreateFileSystemsNode();
       file_systems_node->AddFileSystemNode(
           new CookieTreeFileSystemNode(file_system_info));
     }
   }
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
 void CookiesTreeModel::OnQuotaModelInfoLoaded(
     const QuotaInfoArray& quota_info) {
   quota_info_list_ = quota_info;
-  PopulateQuotaInfoWithFilter(std::wstring());
+  PopulateQuotaInfoWithFilter(string16());
 }
 
 void CookiesTreeModel::PopulateQuotaInfoWithFilter(
-    const std::wstring& filter) {
+    const string16& filter) {
   if (quota_info_list_.empty())
     return;
   CookieTreeRootNode* root = static_cast<CookieTreeRootNode*>(GetRoot());
   NotifyObserverBeginBatch();
   for (QuotaInfoArray::iterator quota_info = quota_info_list_.begin();
        quota_info != quota_info_list_.end();
        ++quota_info) {
     if (!filter.size() ||
-        (UTF8ToWide(quota_info->host).find(filter) != std::wstring::npos)) {
-      CookieTreeOriginNode* origin_node =
-          root->GetOrCreateOriginNode(GURL("http://" + quota_info->host));
-      origin_node->UpdateOrCreateQuotaNode(quota_info);
+        (UTF8ToUTF16(quota_info->host).find(filter) != std::string::npos)) {
+      CookieTreeHostNode* host_node =
+          root->GetOrCreateHostNode(GURL("http://" + quota_info->host));
+      host_node->UpdateOrCreateQuotaNode(quota_info);
     }
   }
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
 void CookiesTreeModel::OnServerBoundCertModelInfoLoaded(
     const ServerBoundCertList& cert_list) {
   server_bound_cert_list_ = cert_list;
-  PopulateServerBoundCertInfoWithFilter(std::wstring());
+  PopulateServerBoundCertInfoWithFilter(string16());
 }
 
 void CookiesTreeModel::PopulateServerBoundCertInfoWithFilter(
-    const std::wstring& filter) {
+    const string16& filter) {
   if (server_bound_cert_list_.empty())
     return;
   CookieTreeRootNode* root = static_cast<CookieTreeRootNode*>(GetRoot());
   NotifyObserverBeginBatch();
   for (ServerBoundCertList::iterator cert_info =
        server_bound_cert_list_.begin();
        cert_info != server_bound_cert_list_.end();
        ++cert_info) {
     GURL origin(cert_info->server_identifier());
     if (!origin.is_valid()) {
       // Domain Bound Cert.  Make a valid URL to satisfy the
-      // CookieTreeRootNode::GetOrCreateOriginNode interface.
+      // CookieTreeRootNode::GetOrCreateHostNode interface.
       origin = GURL(std::string(chrome::kHttpsScheme) +
                     content::kStandardSchemeSeparator +
                     cert_info->server_identifier() + "/");
     }
-    std::wstring title = CookieTreeOriginNode::TitleForUrl(origin);
+    string16 title = CookieTreeHostNode::TitleForUrl(origin);
 
-    if (!filter.size() || title.find(filter) != std::wstring::npos) {
-      CookieTreeOriginNode* origin_node =
-          root->GetOrCreateOriginNode(origin);
+    if (!filter.size() || title.find(filter) != std::string::npos) {
+      CookieTreeHostNode* host_node =
+          root->GetOrCreateHostNode(origin);
       CookieTreeServerBoundCertsNode* server_bound_certs_node =
-          origin_node->GetOrCreateServerBoundCertsNode();
+          host_node->GetOrCreateServerBoundCertsNode();
       server_bound_certs_node->AddServerBoundCertNode(
           new CookieTreeServerBoundCertNode(cert_info));
     }
   }
   NotifyObserverTreeNodeChanged(root);
   NotifyObserverEndBatch();
 }
 
 void CookiesTreeModel::NotifyObserverBeginBatch() {
   // Only notify the model once if we're batching in a nested manner.
   if (batch_update_++ == 0) {
     FOR_EACH_OBSERVER(Observer,
                       cookies_observer_list_,
                       TreeModelBeginBatch(this));
   }
 }
 
 void CookiesTreeModel::NotifyObserverEndBatch() {
   // Only notify the observers if this is the outermost call to EndBatch() if
   // called in a nested manner.
   if (--batch_update_ == 0) {
     FOR_EACH_OBSERVER(Observer,
                       cookies_observer_list_,
                       TreeModelEndBatch(this));
   }
 }