Register Chrome in Active Setup to be called by Windows at user login.

chrome/installer/setup/setup_util.h

Index: chrome/installer/setup/setup_util.h
diff --git a/chrome/installer/setup/setup_util.h b/chrome/installer/setup/setup_util.h
index 59cfa6ea0af33990086aac2d9ffa7a122399367e..0af849449cc9ae040a496b223c6bb2172232d8e4 100644
--- a/chrome/installer/setup/setup_util.h
+++ b/chrome/installer/setup/setup_util.h
@@ -7,8 +7,14 @@
 #ifndef CHROME_INSTALLER_SETUP_SETUP_UTIL_H_
 #define CHROME_INSTALLER_SETUP_SETUP_UTIL_H_
 
+#include <windows.h>
+
+#include "base/basictypes.h"
 #include "base/file_path.h"
+#include "base/string16.h"
 #include "base/version.h"
+#include "base/win/scoped_handle.h"
+#include "chrome/installer/util/browser_distribution.h"
 
 namespace installer {
 
@@ -38,6 +44,39 @@ Version* GetMaxVersionFromArchiveDir(const FilePath& chrome_path);
 bool DeleteFileFromTempProcess(const FilePath& path,
                                uint32 delay_before_delete_ms);
 
+// Get the path to this distribution's Active Setup registry entries.
+// e.g. Software\Microsoft\Active Setup\Installed Components\<dist_guid>
+string16 GetActiveSetupPath(BrowserDistribution* dist);
+
+// This class will enable the privilege defined by |privilege_name| on the
+// current process' token. The privilege will be disabled upon the
+// ScopedTokenPrivilege's destruction (unless it was already enabled when the
+// ScopedTokenPrivilege object was constructed).
+// Some privileges might require admin rights to be enabled (check is_enabled()
+// to know whether |privilege_name| was successfully enabled).
+class ScopedTokenPrivilege {
+ public:
+  explicit ScopedTokenPrivilege(const wchar_t* privilege_name);
+  ~ScopedTokenPrivilege();
+
+  // Always returns true unless the privilege could not be enabled.
+  bool is_enabled() const { return is_enabled_; }
+
+ private:
+  // Always true unless the privilege could not be enabled.
+  bool is_enabled_;
+
+  // A scoped handle to the current process' token. This will be closed
+  // preemptively should enabling the privilege fail in the constructor.
+  base::win::ScopedHandle token_;
+
+  // The previous state of the privilege this object is responsible for. As set
+  // by AdjustTokenPrivileges() upon construction.
+  TOKEN_PRIVILEGES previous_privileges_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ScopedTokenPrivilege);
+};
+
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_SETUP_SETUP_UTIL_H_