Add WOW64 support to the installer registry work items

chrome/installer/util/work_item_list.h

Index: chrome/installer/util/work_item_list.h
diff --git a/chrome/installer/util/work_item_list.h b/chrome/installer/util/work_item_list.h
index 1660c37954cc1c231fc436c2133ade51ffa75f9e..ddd25f539b553ed25542a4883dd5aaedc7d4d8e7 100644
--- a/chrome/installer/util/work_item_list.h
+++ b/chrome/installer/util/work_item_list.h
@@ -43,12 +43,6 @@ class WorkItemList : public WorkItem {
   virtual WorkItem* AddCallbackWorkItem(
       base::Callback<bool(const CallbackWorkItem&)> callback);
 
-  // Add a CopyRegKeyWorkItem that recursively copies a given registry key.
-  virtual WorkItem* AddCopyRegKeyWorkItem(HKEY predefined_root,
-                                          const std::wstring& source_key_path,
-                                          const std::wstring& dest_key_path,
-                                          CopyOverWriteOption overwrite_option);
-
   // Add a CopyTreeWorkItem to the list of work items.
   // See the NOTE in the documentation for the CopyTreeWorkItem class for
   // special considerations regarding |temp_dir|.
@@ -65,18 +59,21 @@ class WorkItemList : public WorkItem {
   // Add a CreateRegKeyWorkItem that creates a registry key at the given
   // path.
   virtual WorkItem* AddCreateRegKeyWorkItem(HKEY predefined_root,
-                                            const std::wstring& path);
+                                            const std::wstring& path,
+                                            REGSAM wow64_access);
 
   // Add a DeleteRegKeyWorkItem that deletes a registry key from the given
   // path.
   virtual WorkItem* AddDeleteRegKeyWorkItem(HKEY predefined_root,
-                                            const std::wstring& path);
+                                            const std::wstring& path,
+                                            REGSAM wow64_access);
 
   // Add a DeleteRegValueWorkItem that deletes registry value of type REG_SZ
   // or REG_DWORD.
   virtual WorkItem* AddDeleteRegValueWorkItem(HKEY predefined_root,
                                               const std::wstring& key_path,
-                                              const std::wstring& value_name);
+                                              const std::wstring& value_name,
+                                              REGSAM wow64_access);
 
   // Add a DeleteTreeWorkItem that recursively deletes a file system
   // hierarchy at the given root path. A key file can be optionally specified
@@ -102,7 +99,8 @@ class WorkItemList : public WorkItem {
                                            const std::wstring& key_path,
                                            const std::wstring& value_name,
                                            const std::wstring& value_data,
-                                           bool overwrite);
+                                           bool overwrite,
+                                           REGSAM wow64_access);
 
   // Add a SetRegValueWorkItem that sets a registry value with REG_DWORD type
   // at the key with specified path.
@@ -110,7 +108,8 @@ class WorkItemList : public WorkItem {
                                            const std::wstring& key_path,
                                            const std::wstring& value_name,
                                            DWORD value_data,
-                                           bool overwrite);
+                                           bool overwrite,
+                                           REGSAM wow64_access);
 
   // Add a SetRegValueWorkItem that sets a registry value with REG_QWORD type
   // at the key with specified path.
@@ -118,7 +117,8 @@ class WorkItemList : public WorkItem {
                                            const std::wstring& key_path,
                                            const std::wstring& value_name,
                                            int64 value_data,
-                                           bool overwrite);
+                                           bool overwrite,
+                                           REGSAM wow64_access);
 
   // Add a SelfRegWorkItem that registers or unregisters a DLL at the
   // specified path. If user_level_registration is true, then alternate