component_updater: add '_env_version' attribute for cros_component_installer

chrome/browser/component_updater/cros_component_installer.h

 // 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.
 
 #ifndef CHROME_BROWSER_COMPONENT_UPDATER_CROS_COMPONENT_INSTALLER_H_
 #define CHROME_BROWSER_COMPONENT_UPDATER_CROS_COMPONENT_INSTALLER_H_
 
 #include <string>
 
 #include "build/build_config.h"
 #include "components/component_updater/component_updater_service.h"
 #include "components/component_updater/default_component_installer.h"
 #include "components/update_client/update_client.h"
 #include "crypto/sha2.h"
 
 namespace component_updater {
 
 #if defined(OS_CHROMEOS)
 struct ComponentConfig {
   std::string name;
-  std::string dir;
+  std::string env_version;
   std::string sha2hashstr;
   ComponentConfig(const std::string& name,
-                  const std::string& dir,
+                  const std::string& env_version,
                   const std::string& sha2hashstr);
   ~ComponentConfig();
 };
 
 using ConfigMap = std::map<std::string, std::map<std::string, std::string>>;
 
 class CrOSComponentInstallerTraits : public ComponentInstallerTraits {
  public:
   explicit CrOSComponentInstallerTraits(const ComponentConfig& config);
   ~CrOSComponentInstallerTraits() override {}
 
  private:
   // The following methods override ComponentInstallerTraits.
   bool SupportsGroupPolicyEnabledComponentUpdates() const override;
   bool RequiresNetworkEncryption() const override;
   update_client::CrxInstaller::Result OnCustomInstall(
       const base::DictionaryValue& manifest,
       const base::FilePath& install_dir) override;
   bool VerifyInstallation(const base::DictionaryValue& manifest,
                           const base::FilePath& install_dir) const override;
   void ComponentReady(const base::Version& version,
                       const base::FilePath& path,
                       std::unique_ptr<base::DictionaryValue> manifest) override;
   base::FilePath GetRelativeInstallDir() const override;
   void GetHash(std::vector<uint8_t>* hash) const override;
   std::string GetName() const override;
   update_client::InstallerAttributes GetInstallerAttributes() const override;
   std::vector<std::string> GetMimeTypes() const override;
-  std::string dir_name;
   std::string name;
+  std::string env_version;
   uint8_t kSha2Hash_[crypto::kSHA256Length] = {};
 
   DISALLOW_COPY_AND_ASSIGN(CrOSComponentInstallerTraits);
 };
 
 // This class contains functions used to register and install a component.
 class CrOSComponent {
  public:
   //  Register and start installing a CrOS component.
   //  |install_callback| is triggered after install finishes and returns error
@@ skipping 50 matching lines @@
   static void InstallChromeOSComponent(
       ComponentUpdateService* cus,
       const std::string& id,
       const update_client::Callback& install_callback);
 };
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace component_updater
 
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_CROS_COMPONENT_INSTALLER_H_