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..448d43b65561c1ffd5c0d62f1bbc562c088e2488 100644
--- a/chrome/installer/util/work_item_list.h
+++ b/chrome/installer/util/work_item_list.h
@@ -47,7 +47,8 @@ class WorkItemList : public WorkItem {
   virtual WorkItem* AddCopyRegKeyWorkItem(HKEY predefined_root,
                                           const std::wstring& source_key_path,
                                           const std::wstring& dest_key_path,
-                                          CopyOverWriteOption overwrite_option);
+                                          CopyOverWriteOption overwrite_option,
+                                          RegWow64ViewOption reg_wow64_option);

[grt (UTC plus 2), 2014/05/16 18:26:11]

it looks like it's going to be pretty intrusive to plumb this option through all
consumers. i think this is one of those cases where a default argument is
acceptable. does that simplify things?

 
   // Add a CopyTreeWorkItem to the list of work items.
   // See the NOTE in the documentation for the CopyTreeWorkItem class for
@@ -64,19 +65,25 @@ 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);
+  virtual WorkItem* AddCreateRegKeyWorkItem(
+      HKEY predefined_root,
+      const std::wstring& path,
+      RegWow64ViewOption reg_wow64_option);
 
   // Add a DeleteRegKeyWorkItem that deletes a registry key from the given
   // path.
-  virtual WorkItem* AddDeleteRegKeyWorkItem(HKEY predefined_root,
-                                            const std::wstring& path);
+  virtual WorkItem* AddDeleteRegKeyWorkItem(
+      HKEY predefined_root,
+      const std::wstring& path,
+      RegWow64ViewOption reg_wow64_option);
 
   // 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);
+  virtual WorkItem* AddDeleteRegValueWorkItem(
+      HKEY predefined_root,
+      const std::wstring& key_path,
+      const std::wstring& value_name,
+      RegWow64ViewOption reg_wow64_option);
 
   // Add a DeleteTreeWorkItem that recursively deletes a file system
   // hierarchy at the given root path. A key file can be optionally specified
@@ -102,7 +109,8 @@ class WorkItemList : public WorkItem {
                                            const std::wstring& key_path,
                                            const std::wstring& value_name,
                                            const std::wstring& value_data,
-                                           bool overwrite);
+                                           bool overwrite,
+                                           RegWow64ViewOption reg_wow64_option);
 
   // Add a SetRegValueWorkItem that sets a registry value with REG_DWORD type
   // at the key with specified path.
@@ -110,7 +118,8 @@ class WorkItemList : public WorkItem {
                                            const std::wstring& key_path,
                                            const std::wstring& value_name,
                                            DWORD value_data,
-                                           bool overwrite);
+                                           bool overwrite,
+                                           RegWow64ViewOption reg_wow64_option);
 
   // Add a SetRegValueWorkItem that sets a registry value with REG_QWORD type
   // at the key with specified path.
@@ -118,7 +127,8 @@ class WorkItemList : public WorkItem {
                                            const std::wstring& key_path,
                                            const std::wstring& value_name,
                                            int64 value_data,
-                                           bool overwrite);
+                                           bool overwrite,
+                                           RegWow64ViewOption reg_wow64_option);
 
   // Add a SelfRegWorkItem that registers or unregisters a DLL at the
   // specified path. If user_level_registration is true, then alternate