Hold cros_component_installers in browser_process.

chrome/browser/component_updater/cros_component_installer.cc

 // 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/component_updater/cros_component_installer.h"
 #include "base/task_scheduler/post_task.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/component_updater/component_installer_errors.h"
 #include "components/component_updater/component_updater_paths.h"
 #include "components/crx_file/id_util.h"
@@ skipping 77 matching lines @@
   }
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&ImageLoaderRegistration, version, install_dir, name));
   return update_client::CrxInstaller::Result(update_client::InstallError::NONE);
 }
 
 void CrOSComponentInstallerTraits::ComponentReady(
     const base::Version& version,
     const base::FilePath& path,
-    std::unique_ptr<base::DictionaryValue> manifest) {}
+    std::unique_ptr<base::DictionaryValue> manifest) {
+  g_browser_process->platform_part()->AddCompatibleCrOSComponent(GetName());
+}
 
 bool CrOSComponentInstallerTraits::VerifyInstallation(
     const base::DictionaryValue& manifest,
     const base::FilePath& install_dir) const {
   return true;
 }
 
 base::FilePath CrOSComponentInstallerTraits::GetRelativeInstallDir() const {
   return base::FilePath(name);
 }
@@ skipping 97 matching lines @@
       chromeos::DBusThreadManager::Get()->GetImageLoaderClient();
   if (loader) {
     loader->LoadComponent(name, base::Bind(&MountResult, mount_callback));
   } else {
     DVLOG(1) << "Failed to get ImageLoaderClient object.";
   }
 }
 #endif  // defined(OS_CHROMEOS
 
 }  // namespace component_updater