Mac: Fix warnings in nib files

chrome/app/nibs/Notification.xib

Index: chrome/app/nibs/Notification.xib
diff --git a/chrome/app/nibs/Notification.xib b/chrome/app/nibs/Notification.xib
index 225160d8bf3af8e4921eedb2c05f8f305907cf10..f8988f6e480f884b3a84422225d25ed2dbbac245 100644
--- a/chrome/app/nibs/Notification.xib
+++ b/chrome/app/nibs/Notification.xib
@@ -2,13 +2,13 @@
 <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">804</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">804</string>
+			<string key="NS.object.0">823</string>
 		</object>
 		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
 			<bool key="EncodedWithXMLCoder">YES</bool>
@@ -548,7 +548,7 @@
 					<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">
@@ -569,13 +569,6 @@
 					<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>