Mac: Fix warnings in nib files

chrome/app/nibs/MainMenu.xib

 <?xml version="1.0" encoding="UTF-8"?>
 <archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="7.10">
         <data>
                 <int key="IBDocument.SystemTarget">1050</int>
-                <string key="IBDocument.SystemVersion">10F569</string>
-                <string key="IBDocument.InterfaceBuilderVersion">788</string>
+                <string key="IBDocument.SystemVersion">10F2108</string>
+                <string key="IBDocument.InterfaceBuilderVersion">823</string>
                 <string key="IBDocument.AppKitVersion">1038.29</string>
                 <string key="IBDocument.HIToolboxVersion">461.00</string>
                 <object class="NSMutableDictionary" key="IBDocument.PluginVersions">
                         <string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin</string>
-                        <string key="NS.object.0">788</string>
+                        <string key="NS.object.0">823</string>
                 </object>
                 <object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
                         <bool key="EncodedWithXMLCoder">YES</bool>
                         <integer value="24"/>
                 </object>
                 <object class="NSArray" key="IBDocument.PluginDependencies">
                         <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" id="0">
-                                <bool key="EncodedWithXMLCoder">YES</bool>
-                        </object>
-                        <object class="NSMutableArray" key="dict.values">
-                                <bool key="EncodedWithXMLCoder">YES</bool>
-                        </object>
+                        <string key="NS.key.0">PluginDependencyRecalculationVersion</string>
+                        <integer value="1" key="NS.object.0"/>
                 </object>
                 <object class="NSMutableArray" key="IBDocument.RootObjects" id="1048">
                         <bool key="EncodedWithXMLCoder">YES</bool>
                         <object class="NSCustomObject" id="1021">
                                 <string key="NSClassName">BrowserCrApplication</string>
                         </object>
                         <object class="NSCustomObject" id="1014">
                                 <string key="NSClassName">FirstResponder</string>
                         </object>
                         <object class="NSCustomObject" id="1050">
@@ skipping 1737 matching lines @@
                                                 <reference key="destination" ref="648879968"/>
                                         </object>
                                         <int key="connectionID">685</int>
                                 </object>
                         </object>
                         <object class="IBMutableOrderedSet" key="objectRecords">
                                 <object class="NSArray" key="orderedObjects">
                                         <bool key="EncodedWithXMLCoder">YES</bool>
                                         <object class="IBObjectRecord">
                                                 <int key="objectID">0</int>
-                                                <reference key="object" ref="0"/>
+                                                <object class="NSArray" key="object" id="0">
+                                                        <bool key="EncodedWithXMLCoder">YES</bool>
+                                                </object>
                                                 <reference key="children" ref="1048"/>
                                                 <nil key="parent"/>
                                         </object>
                                         <object class="IBObjectRecord">
                                                 <int key="objectID">-2</int>
                                                 <reference key="object" ref="1021"/>
                                                 <reference key="parent" ref="0"/>
                                                 <string key="objectName">File's Owner</string>
                                         </object>
                                         <object class="IBObjectRecord">
@@ skipping 1135 matching lines @@
                                         <integer value="1"/>
                                         <string>{{608, 612}, {241, 103}}</string>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                                         <integer value="1"/>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                                         <integer value="1"/>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                                         <integer value="1"/>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                                         <integer value="1"/>
-                                        <string>{{1460, 1298}, {323, 223}}</string>
+                                        <string>{{1292, 763}, {323, 223}}</string>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                                         <integer value="1"/>
                                         <string>{{525, 802}, {197, 73}}</string>
-                                        <string>{{270, 1521}, {1578, 20}}</string>
+                                        <string>{{102, 986}, {1578, 20}}</string>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                                         <integer value="1"/>
                                         <string>{74, 862}</string>
                                         <string>{{11, 977}, {478, 20}}</string>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                                         <string>{{916, 1283}, {399, 233}}</string>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                                         <string>{{475, 832}, {234, 43}}</string>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
@@ skipping 240 matching lines @@
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
                                                 <string key="majorKey">IBProjectSource</string>
                                                 <string key="minorKey">browser/ui/cocoa/ui_localizer.h</string>
                                         </object>
                                 </object>
                                 <object class="IBPartialClassDescription">
                                         <string key="className">CrApplication</string>
                                         <string key="superclassName">NSApplication</string>
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
                                                 <string key="majorKey">IBProjectSource</string>
-                                                <string key="minorKey">../base/chrome_application_mac.h</string>
+                                                <string key="minorKey">common/chrome_application_mac.h</string>
                                         </object>
                                 </object>
                                 <object class="IBPartialClassDescription">
                                         <string key="className">DownloadShelfController</string>
                                         <string key="superclassName">NSViewController</string>
                                         <object class="NSMutableDictionary" key="actions">
                                                 <bool key="EncodedWithXMLCoder">YES</bool>
                                                 <object class="NSArray" key="dict.sortedKeys">
                                                         <bool key="EncodedWithXMLCoder">YES</bool>
                                                         <string>hide:</string>
@@ skipping 202 matching lines @@
                                         <string key="className">NSObject</string>
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
                                                 <string key="majorKey">IBProjectSource</string>
                                                 <string key="minorKey">browser/ui/cocoa/status_bubble_mac.h</string>
                                         </object>
                                 </object>
                                 <object class="IBPartialClassDescription">
                                         <string key="className">NSObject</string>
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
                                                 <string key="majorKey">IBProjectSource</string>
-                                                <string key="minorKey">browser/ui/cocoa/tab_strip_model_observer_bridge.h</string>
+                                                <string key="minorKey">browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.h</string>
                                         </object>
                                 </object>
                                 <object class="IBPartialClassDescription">
                                         <string key="className">NSView</string>
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
                                                 <string key="majorKey">IBProjectSource</string>
                                                 <string key="minorKey">browser/ui/cocoa/view_id_util.h</string>
                                         </object>
                                 </object>
                                 <object class="IBPartialClassDescription">
                                         <string key="className">NSWindow</string>
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
                                                 <string key="majorKey">IBProjectSource</string>
                                                 <string key="minorKey">browser/ui/cocoa/framed_browser_window.h</string>
                                         </object>
                                 </object>
                                 <object class="IBPartialClassDescription">
                                         <string key="className">NSWindow</string>
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
                                                 <string key="majorKey">IBProjectSource</string>
-                                                <string key="minorKey">browser/ui/cocoa/nswindow_additions.h</string>
-                                        </object>
-                                </object>
-                                <object class="IBPartialClassDescription">
-                                        <string key="className">NSWindow</string>
-                                        <object class="IBClassDescriptionSource" key="sourceIdentifier">
-                                                <string key="majorKey">IBProjectSource</string>
                                                 <string key="minorKey">browser/ui/cocoa/themed_window.h</string>
                                         </object>
                                 </object>
                         </object>
                         <object class="NSMutableArray" key="referencedPartialClassDescriptionsV3.2+">
                                 <bool key="EncodedWithXMLCoder">YES</bool>
                                 <object class="IBPartialClassDescription">
                                         <string key="className">NSActionCell</string>
                                         <string key="superclassName">NSCell</string>
                                         <object class="IBClassDescriptionSource" key="sourceIdentifier">
@@ skipping 725 matching lines @@
                                 <string>NSMenuMixedState</string>
                         </object>
                         <object class="NSMutableArray" key="dict.values">
                                 <bool key="EncodedWithXMLCoder">YES</bool>
                                 <string>{9, 8}</string>
                                 <string>{7, 2}</string>
                         </object>
                 </object>
         </data>
 </archive>