Implement support in DefaultComponentInstaller for picking up bundled

chrome/browser/component_updater/sth_set_component_installer.cc

 // Copyright 2016 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/component_updater/sth_set_component_installer.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/files/file_enumerator.h"
@@ skipping 71 matching lines @@
   }
 }
 
 // Called during startup and installation before ComponentReady().
 bool STHSetComponentInstallerTraits::VerifyInstallation(
     const base::DictionaryValue& manifest,
     const base::FilePath& install_dir) const {
   return base::PathExists(GetInstalledPath(install_dir));
 }
 
-base::FilePath STHSetComponentInstallerTraits::GetBaseDirectory() const {
-  base::FilePath result;
-  PathService::Get(DIR_CERT_TRANS_TREE_STATES, &result);
-  return result;
+base::FilePath STHSetComponentInstallerTraits::GetRelativeInstallDir() const {
+  return base::FilePath(FILE_PATH_LITERAL("CertificateTransparency"));
 }
 
 void STHSetComponentInstallerTraits::GetHash(std::vector<uint8_t>* hash) const {
   hash->assign(std::begin(kPublicKeySHA256), std::end(kPublicKeySHA256));
 }
 
 std::string STHSetComponentInstallerTraits::GetName() const {
   return kSTHSetFetcherManifestName;
 }
 
@@ skipping 86 matching lines @@
 
   std::unique_ptr<ComponentInstallerTraits> traits(
       new STHSetComponentInstallerTraits(std::move(distributor)));
   // |cus| will take ownership of |installer| during installer->Register(cus).
   DefaultComponentInstaller* installer =
       new DefaultComponentInstaller(std::move(traits));
   installer->Register(cus, base::Closure());
 }
 
 }  // namespace component_updater