HTML sync setup UI.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 09cca77f589d292496cb528e442422111d61ca80..a12deccd900f410565090aaf6fb8beef16f9579c 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -846,6 +846,11 @@ const wchar_t kSyncLastSyncedTime[] = L"sync.last_synced_time";
 // Boolean specifying whether the user finished setting up sync.
 const wchar_t kSyncHasSetupCompleted[] = L"sync.has_setup_completed";
 
+// Boolean specifying whether to automatically sync all data types (including
+// future ones, as they're added).  If this is true, the following preferences
+// (kSyncBookmarks, kSyncPasswords, etc.) can all be ignored.
+const wchar_t kKeepEverythingSynced[] = L"sync.keep_everything_synced";
+
 // Booleans specifying whether the user has selected to sync the following
 // datatypes.
 const wchar_t kSyncBookmarks[] = L"sync.bookmarks";