Differential updates for components.

chrome/browser/component_updater/pnacl/pnacl_component_installer.h

 // Copyright (c) 2011 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_PNACL_PNACL_COMPONENT_INSTALLER_H_
 #define CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_
 
+#include <string>
+
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/version.h"
 #include "chrome/browser/component_updater/component_updater_service.h"
 #include "chrome/browser/component_updater/pnacl/pnacl_profile_observer.h"
 
 class CommandLine;
 
 namespace base {
 class DictionaryValue;
 }
 
 // Component installer responsible for Portable Native Client files.
 // Files can be installed to a shared location, or be installed to
 // a per-user location.
 class PnaclComponentInstaller : public ComponentInstaller {
  public:
   PnaclComponentInstaller();
 
   virtual ~PnaclComponentInstaller();
 
   virtual void OnUpdateError(int error) OVERRIDE;
 
   virtual bool Install(const base::DictionaryValue& manifest,
                        const base::FilePath& unpack_path) OVERRIDE;
 
+  virtual bool GetInstalledFile(const std::string& file,
+                                base::FilePath* installed_file) OVERRIDE;
+
   // Register a PNaCl component for the first time.
   void RegisterPnaclComponent(ComponentUpdateService* cus,
                               const CommandLine& command_line);
 
   // Check the PNaCl version again and re-register with the component
   // updater service.
   void ReRegisterPnacl();
 
   bool per_user() const { return per_user_; }
 
@@ skipping 17 matching lines @@
   ComponentUpdateService* cus_;
   DISALLOW_COPY_AND_ASSIGN(PnaclComponentInstaller);
 };
 
 // Returns true if this browser is compatible with the given Pnacl component
 // manifest, with the version specified in the manifest in |version_out|.
 bool CheckPnaclComponentManifest(const base::DictionaryValue& manifest,
                                  base::Version* version_out);
 
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_PNACL_PNACL_COMPONENT_INSTALLER_H_