Move most of the component updater artifacts to update_client.

components/component_updater/default_component_installer.h

 // Copyright 2014 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_COMPONENT_UPDATER_DEFAULT_COMPONENT_INSTALLER_H_
 #define COMPONENTS_COMPONENT_UPDATER_DEFAULT_COMPONENT_INSTALLER_H_
 
 #include <stdint.h>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "base/values.h"
 #include "base/version.h"
-#include "components/component_updater/component_updater_service.h"
+#include "components/update_client/update_client.h"
 
 namespace base {
 class FilePath;
 class SequencedTaskRunner;
 class SingleThreadTaskRunner;
 }  // namespace base
 
 namespace component_updater {
 
+class ComponentUpdateService;
+
 // Components should use a DefaultComponentInstaller by defining a class that
 // implements the members of ComponentInstallerTraits, and then registering a
 // DefaultComponentInstaller that has been constructed with an instance of that
 // class.
 class ComponentInstallerTraits {
  public:
   virtual ~ComponentInstallerTraits();
 
   // Verifies that a working installation resides within the directory specified
   // by |install_dir|. |install_dir| is of the form <base directory>/<version>.
@@ skipping 36 matching lines @@
   // Returns the component's SHA2 hash as raw bytes.
   virtual void GetHash(std::vector<uint8_t>* hash) const = 0;
 
   // Returns the human-readable name of the component.
   virtual std::string GetName() const = 0;
 };
 
 // A DefaultComponentInstaller is intended to be final, and not derived from.
 // Customization must be provided by passing a ComponentInstallerTraits object
 // to the constructor.
-class DefaultComponentInstaller : public ComponentInstaller {
+class DefaultComponentInstaller : public update_client::ComponentInstaller {
  public:
   DefaultComponentInstaller(
       scoped_ptr<ComponentInstallerTraits> installer_traits);
 
   // Registers the component for update checks and installs.
   void Register(ComponentUpdateService* cus);
 
   // Overridden from ComponentInstaller:
   void OnUpdateError(int error) override;
   bool Install(const base::DictionaryValue& manifest,
@@ skipping 22 matching lines @@
   scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(DefaultComponentInstaller);
 };
 
 }  // namespace component_updater
 
 #endif  // COMPONENTS_COMPONENT_UPDATER_DEFAULT_COMPONENT_INSTALLER_H_