Make ComponentInstaller refcounted.

components/update_client/test/test_installer.h

 // Copyright 2013 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 COMPONENTS_UPDATE_CLIENT_TEST_TEST_INSTALLER_H_
 #define COMPONENTS_UPDATE_CLIENT_TEST_TEST_INSTALLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 13 matching lines @@
   TestInstaller();
 
   void OnUpdateError(int error) override;
 
   bool Install(const base::DictionaryValue& manifest,
                const base::FilePath& unpack_path) override;
 
   bool GetInstalledFile(const std::string& file,
                         base::FilePath* installed_file) override;
 
-  int error() const;
+  int error() const {
+    return error_;
+  }
 
-  int install_count() const;
+  int install_count() const {
+    return install_count_;
+  }
 
  protected:
+  ~TestInstaller() override;
+
   int error_;
   int install_count_;
 };
 
 // A ReadOnlyTestInstaller is an installer that knows about files in an existing
 // directory. It will not write to the directory.
 class ReadOnlyTestInstaller : public TestInstaller {
  public:
   explicit ReadOnlyTestInstaller(const base::FilePath& installed_path);
 
-  ~ReadOnlyTestInstaller() override;
-
   bool GetInstalledFile(const std::string& file,
                         base::FilePath* installed_file) override;
 
  private:
+  ~ReadOnlyTestInstaller() override;
+
   base::FilePath install_directory_;
 };
 
 // A VersionedTestInstaller is an installer that installs files into versioned
 // directories (e.g. somedir/25.23.89.141/<files>).
 class VersionedTestInstaller : public TestInstaller {
  public:
   VersionedTestInstaller();
 
-  ~VersionedTestInstaller() override;
-
   bool Install(const base::DictionaryValue& manifest,
                const base::FilePath& unpack_path) override;
 
   bool GetInstalledFile(const std::string& file,
                         base::FilePath* installed_file) override;
 
  private:
+  ~VersionedTestInstaller() override;
+
   base::FilePath install_directory_;
   Version current_version_;
 };
 
 }  // namespace update_client
 
 #endif  // COMPONENTS_UPDATE_CLIENT_TEST_TEST_INSTALLER_H_