Implement support in DefaultComponentInstaller for picking up bundled

chrome/browser/component_updater/supervised_user_whitelist_installer.cc

Index: chrome/browser/component_updater/supervised_user_whitelist_installer.cc
diff --git a/chrome/browser/component_updater/supervised_user_whitelist_installer.cc b/chrome/browser/component_updater/supervised_user_whitelist_installer.cc
index 1636411f545325c79cdce0668eadfbeb115109a2..27c9246a882a2eeb88bdd524b184700834b0c124 100644
--- a/chrome/browser/component_updater/supervised_user_whitelist_installer.cc
+++ b/chrome/browser/component_updater/supervised_user_whitelist_installer.cc
@@ -257,7 +257,7 @@ class SupervisedUserWhitelistComponentInstallerTraits
   void ComponentReady(const base::Version& version,
                       const base::FilePath& install_dir,
                       std::unique_ptr<base::DictionaryValue> manifest) override;
-  base::FilePath GetBaseDirectory() const override;
+  std::string GetASCIIDirectoryName() const override;
   void GetHash(std::vector<uint8_t>* hash) const override;
   std::string GetName() const override;
   std::string GetAp() const override;
@@ -305,11 +305,11 @@ void SupervisedUserWhitelistComponentInstallerTraits::ComponentReady(
                 GetRawWhitelistPath(*manifest, install_dir));
 }
 
-base::FilePath
-SupervisedUserWhitelistComponentInstallerTraits::GetBaseDirectory() const {
-  base::FilePath whitelist_directory;
-  PathService::Get(DIR_SUPERVISED_USER_WHITELISTS, &whitelist_directory);
-  return whitelist_directory.AppendASCII(crx_id_);
+std::string
+SupervisedUserWhitelistComponentInstallerTraits::GetASCIIDirectoryName() const {
+  return base::FilePath("SupervisedUserWhitelists")
+      .AppendASCII(crx_id_)
+      .value();
 }
 
 void SupervisedUserWhitelistComponentInstallerTraits::GetHash(