ObjC classes generated by the build and used in Xib files is already getting ...

chrome/app/nibs/BookmarkEditor.xib

 <?xml version="1.0" encoding="UTF-8"?>
 <archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="7.03">
         <data>
                 <int key="IBDocument.SystemTarget">1050</int>
                 <string key="IBDocument.SystemVersion">9J61</string>
                 <string key="IBDocument.InterfaceBuilderVersion">677</string>
                 <string key="IBDocument.AppKitVersion">949.46</string>
                 <string key="IBDocument.HIToolboxVersion">353.00</string>
                 <object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
                         <bool key="EncodedWithXMLCoder">YES</bool>
@@ skipping 283 matching lines @@
                                                 </object>
                                         </object>
                                         <string key="NSFrameSize">{480, 270}</string>
                                         <reference key="NSSuperview"/>
                                 </object>
                                 <string key="NSScreenRect">{{0, 0}, {1680, 1028}}</string>
                                 <string key="NSMinSize">{331, 292}</string>
                                 <string key="NSMaxSize">{3.40282e+38, 3.40282e+38}</string>
                         </object>
                         <object class="NSCustomObject" id="764065517">
-                                <string key="NSClassName">BookmarkEditorLocalizer</string>
+                                <string key="NSClassName">ChromeUILocalizer</string>
                         </object>
                         <object class="NSCustomObject" id="12470901">
                                 <string key="NSClassName">GTMUILocalizerAndLayoutTweaker</string>
                         </object>
                 </object>
                 <object class="IBObjectContainer" key="IBDocument.Objects">
                         <object class="NSMutableArray" key="connectionRecords">
                                 <bool key="EncodedWithXMLCoder">YES</bool>
                                 <object class="IBConnectionRecord">
                                         <object class="IBActionConnection" key="connection">
@@ skipping 442 matching lines @@
                                                         <string>NSButton</string>
                                                         <string>NSTextField</string>
                                                 </object>
                                         </object>
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
                                                 <string key="majorKey">IBProjectSource</string>
                                                 <string key="minorKey">browser/cocoa/bookmark_editor_controller.h</string>
                                         </object>
                                 </object>
                                 <object class="IBPartialClassDescription">
-                                        <string key="className">BookmarkEditorLocalizer</string>
-                                        <string key="superclassName">ChromeUILocalizer</string>
-                                        <object class="IBClassDescriptionSource" key="sourceIdentifier">
-                                                <string key="majorKey">IBProjectSource</string>
-                                                <string key="minorKey">../xcodebuild/chrome.build/DerivedSources/Debug/xib_localizers/bookmark_editor_localizer.h</string>
-                                        </object>
-                                </object>
-                                <object class="IBPartialClassDescription">
                                         <string key="className">ChromeUILocalizer</string>
                                         <string key="superclassName">GTMUILocalizer</string>
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
                                                 <string key="majorKey">IBProjectSource</string>
                                                 <string key="minorKey">browser/cocoa/ui_localizer.h</string>
                                         </object>
                                 </object>
                                 <object class="IBPartialClassDescription">
                                         <string key="className">GTMUILocalizer</string>
                                         <string key="superclassName">NSObject</string>
@@ skipping 74 matching lines @@
                                                 <string key="minorKey">browser/cocoa/tab_strip_model_observer_bridge.h</string>
                                         </object>
                                 </object>
                         </object>
                 </object>
                 <int key="IBDocument.localizationMode">0</int>
                 <string key="IBDocument.LastKnownRelativeProjectPath">../../chrome.xcodeproj</string>
                 <int key="IBDocument.defaultPropertyAccessControl">3</int>
         </data>
 </archive>