Callback flow to register Chrome and update shortcuts after OS upgrade to Windows 8

chrome/installer/setup/install.h

Index: chrome/installer/setup/install.h
diff --git a/chrome/installer/setup/install.h b/chrome/installer/setup/install.h
index a3c73194787a42e4877c3914e6b11a764fe3baa1..4e61bc2a2bd4e9f73943aa28b4acbfbe7e5aca11 100644
--- a/chrome/installer/setup/install.h
+++ b/chrome/installer/setup/install.h
@@ -46,7 +46,8 @@ bool CreateVisualElementsManifest(const FilePath& src_path,
 // post-install.
 // |options|: bitfield for which the options come from
 // ShellUtil::ChromeShortcutOptions.
-void CreateOrUpdateStartMenuAndTaskbarShortcuts(
+// Returns true if all tasks succeed.
+bool CreateOrUpdateStartMenuAndTaskbarShortcuts(
     const InstallerState& installer_state,
     const FilePath& setup_exe,
     const Product& product,
@@ -61,7 +62,8 @@ void CreateOrUpdateStartMenuAndTaskbarShortcuts(
 // ShellUtil::ChromeShortcutOptions.
 // If SHORTCUT_ALTERNATE is specified in |options|, an alternate shortcut name
 // is used for the Desktop shortcut.
-void CreateOrUpdateDesktopAndQuickLaunchShortcuts(
+// Returns true if all tasks succeed.
+bool CreateOrUpdateDesktopAndQuickLaunchShortcuts(
     const InstallerState& installer_state,
     const Product& product,
     uint32 options);
@@ -71,7 +73,8 @@ void CreateOrUpdateDesktopAndQuickLaunchShortcuts(
 // popping a UAC if the user is not an admin and HKLM registrations are required
 // to register Chrome's capabilities on this version of Windows (i.e.
 // pre-Win8)).
-void RegisterChromeOnMachine(const InstallerState& installer_state,
+// Returns true if all tasks succeed.
+bool RegisterChromeOnMachine(const InstallerState& installer_state,
                              const Product& product,
                              bool make_chrome_default);
 
@@ -102,6 +105,12 @@ InstallStatus InstallOrUpdateProduct(
     const installer::MasterPreferences& prefs,
     const Version& new_version);
 
+// Performs installation-related tasks following an OS upgrade.
+// Returns true if all tasks succeed.
+bool HandleOsUpgradeForBrowser(const InstallerState& installer_state,
+                               const Product& chrome,
+                               const FilePath& setup_exe);
+
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_SETUP_INSTALL_H_