Original discussion in CL for 337010. See http://codereview.chromium.org/337...

chrome/app/nibs/BookmarkEditor.xib

Index: chrome/app/nibs/BookmarkEditor.xib
===================================================================
--- chrome/app/nibs/BookmarkEditor.xib	(revision 30403)
+++ chrome/app/nibs/BookmarkEditor.xib	(working copy)
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="7.02">
+<archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="7.03">
 	<data>
 		<int key="IBDocument.SystemTarget">1050</int>
-		<string key="IBDocument.SystemVersion">9L30</string>
-		<string key="IBDocument.InterfaceBuilderVersion">670</string>
+		<string key="IBDocument.SystemVersion">9L31a</string>
+		<string key="IBDocument.InterfaceBuilderVersion">677</string>
 		<string key="IBDocument.AppKitVersion">949.54</string>
 		<string key="IBDocument.HIToolboxVersion">353.00</string>
 		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
@@ -14,6 +14,15 @@
 			<bool key="EncodedWithXMLCoder">YES</bool>
 			<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 		</object>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<object class="NSArray" key="dict.sortedKeys">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+			<object class="NSMutableArray" key="dict.values">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+		</object>
 		<object class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
 			<bool key="EncodedWithXMLCoder">YES</bool>
 			<object class="NSCustomObject" id="1001">
@@ -353,14 +362,6 @@
 				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBOutletConnection" key="connection">
-						<string key="label">browser_</string>
-						<reference key="source" ref="1001"/>
-						<reference key="destination" ref="723395462"/>
-					</object>
-					<int key="connectionID">27</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBOutletConnection" key="connection">
 						<string key="label">window</string>
 						<reference key="source" ref="1001"/>
 						<reference key="destination" ref="1005"/>
@@ -425,12 +426,28 @@
 				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBOutletConnection" key="connection">
+						<string key="label">folderBrowser_</string>
+						<reference key="source" ref="1001"/>
+						<reference key="destination" ref="723395462"/>
+					</object>
+					<int key="connectionID">59</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
 						<string key="label">delegate</string>
 						<reference key="source" ref="723395462"/>
 						<reference key="destination" ref="1001"/>
 					</object>
-					<int key="connectionID">53</int>
+					<int key="connectionID">60</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
+						<string key="label">target</string>
+						<reference key="source" ref="723395462"/>
+						<reference key="destination" ref="1001"/>
+					</object>
+					<int key="connectionID">61</int>
+				</object>
 			</object>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<object class="NSArray" key="orderedObjects">
@@ -487,6 +504,7 @@
 						<int key="objectID">26</int>
 						<reference key="object" ref="723395462"/>
 						<reference key="parent" ref="1006"/>
+						<string key="objectName">Folder Tree Browser</string>
 					</object>
 					<object class="IBObjectRecord">
 						<int key="objectID">34</int>
@@ -734,7 +752,7 @@
 				</object>
 			</object>
 			<nil key="sourceID"/>
-			<int key="maxID">54</int>
+			<int key="maxID">61</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
@@ -761,7 +779,7 @@
 						<bool key="EncodedWithXMLCoder">YES</bool>
 						<object class="NSMutableArray" key="dict.sortedKeys">
 							<bool key="EncodedWithXMLCoder">YES</bool>
-							<string>browser_</string>
+							<string>folderBrowser_</string>
 							<string>nameField_</string>
 							<string>newFolderButton_</string>
 							<string>okButton_</string>
@@ -856,6 +874,18 @@
 					<reference key="sourceIdentifier" ref="262327023"/>
 				</object>
 				<object class="IBPartialClassDescription">
+					<string key="className">NSBrowser</string>
+					<string key="superclassName">NSControl</string>
+					<object class="NSMutableDictionary" key="outlets">
+						<string key="NS.key.0">target</string>
+						<string key="NS.object.0">id</string>
+					</object>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBUserSource</string>
+						<string key="minorKey"/>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
 					<string key="className">NSObject</string>
 					<object class="IBClassDescriptionSource" key="sourceIdentifier">
 						<string key="majorKey">IBProjectSource</string>