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 109 matching lines @@
   update_client::InstallerAttributes attrs;
   attrs["_env_version"] = env_version;
   return attrs;
 }
 
 std::vector<std::string> CrOSComponentInstallerTraits::GetMimeTypes() const {
   std::vector<std::string> mime_types;
   return mime_types;
 }
 
+CrOSComponentInstaller::CrOSComponentInstaller(
+    std::unique_ptr<ComponentInstallerTraits> installer_traits)
+    : DefaultComponentInstaller(std::move(installer_traits)) {}
+
+CrOSComponentInstaller::~CrOSComponentInstaller() {}
+
+std::unique_ptr<base::DictionaryValue>
+CrOSComponentInstaller::GetCurrentManifest() {
+  std::unique_ptr<base::DictionaryValue> manifest_copy(
+      current_manifest_->DeepCopy());
+  return manifest_copy;
+}
+
 void CrOSComponent::RegisterCrOSComponentInternal(
     ComponentUpdateService* cus,
     const ComponentConfig& config,
     const base::Closure& installcallback) {
   std::unique_ptr<ComponentInstallerTraits> traits(
       new CrOSComponentInstallerTraits(config));
-  // |cus| will take ownership of |installer| during
-  // installer->Register(cus).
-  DefaultComponentInstaller* installer =
-      new DefaultComponentInstaller(std::move(traits));
+  scoped_refptr<CrOSComponentInstaller> installer =
+      g_browser_process->platform_part()->GetCrosComponentInstaller(
+          config.name, std::move(traits));
   installer->Register(cus, installcallback);
 }
 
 void CrOSComponent::InstallChromeOSComponent(
     ComponentUpdateService* cus,
     const std::string& id,
     const update_client::Callback& install_callback) {
   cus->GetOnDemandUpdater().OnDemandUpdate(id, install_callback);
 }
 
 bool CrOSComponent::InstallCrOSComponent(
     const std::string& name,
     const update_client::Callback& install_callback) {
   auto* const cus = g_browser_process->component_updater();
   const ConfigMap components = {
       {"epson-inkjet-printer-escpr",
-       {{"env_version", "0.0"},
+       {{"env_version", "2.0"},
         {"sha2hashstr",
          "1913a5e0a6cad30b6f03e176177e0d7ed62c5d6700a9c66da556d7c3f5d6a47e"}}}};
   if (name.empty()) {
     base::PostTask(
         FROM_HERE,
         base::Bind(install_callback, update_client::Error::INVALID_ARGUMENT));
     return false;
   }
   const auto it = components.find(name);
   if (it == components.end()) {
@@ skipping 39 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