Final tweaks to download items on OS X.

chrome/app/nibs/DownloadItem.xib

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 <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.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">
                         <bool key="EncodedWithXMLCoder">YES</bool>
+                        <integer value="1"/>
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                 <object class="NSArray" key="IBDocument.PluginDependencies">
                         <bool key="EncodedWithXMLCoder">YES</bool>
                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
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                         <bool key="EncodedWithXMLCoder">YES</bool>
                         <object class="NSArray" key="dict.sortedKeys">
                                 <bool key="EncodedWithXMLCoder">YES</bool>
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                         <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">
                                 <string key="NSClassName">DownloadItemController</string>
                         </object>
                         <object class="NSCustomObject" id="1003">
                                 <string key="NSClassName">FirstResponder</string>
                         </object>
                         <object class="NSCustomObject" id="1004">
                                 <string key="NSClassName">NSApplication</string>
                         </object>
                         <object class="NSCustomView" id="1005">
-                                <nil key="NSNextResponder"/>
+                                <reference key="NSNextResponder"/>
                                 <int key="NSvFlags">292</int>
                                 <object class="NSMutableArray" key="NSSubviews">
                                         <bool key="EncodedWithXMLCoder">YES</bool>
                                         <object class="NSBox" id="55478397">
                                                 <reference key="NSNextResponder" ref="1005"/>
                                                 <int key="NSvFlags">-2147483612</int>
                                                 <object class="NSMutableArray" key="NSSubviews">
                                                         <bool key="EncodedWithXMLCoder">YES</bool>
                                                         <object class="NSView" id="325658281">
                                                                 <reference key="NSNextResponder" ref="55478397"/>
@@ skipping 142 matching lines @@
                                                 </object>
                                                 <reference key="NSContentView" ref="325658281"/>
                                                 <int key="NSBorderType">1</int>
                                                 <int key="NSBoxType">0</int>
                                                 <int key="NSTitlePosition">0</int>
                                                 <bool key="NSTransparent">NO</bool>
                                         </object>
                                         <object class="NSButton" id="575090266">
                                                 <reference key="NSNextResponder" ref="1005"/>
                                                 <int key="NSvFlags">292</int>
-                                                <string key="NSFrameSize">{207, 34}</string>
+                                                <string key="NSFrameSize">{208, 34}</string>
                                                 <reference key="NSSuperview" ref="1005"/>
                                                 <bool key="NSEnabled">YES</bool>
                                                 <object class="NSButtonCell" key="NSCell" id="966513665">
                                                         <int key="NSCellFlags">-2080244224</int>
                                                         <int key="NSCellFlags2">134217728</int>
                                                         <string key="NSContents">Button</string>
                                                         <object class="NSFont" key="NSSupport">
                                                                 <string key="NSName">LucidaGrande</string>
                                                                 <double key="NSSize">1.300000e+01</double>
                                                                 <int key="NSfFlags">1044</int>
                                                         </object>
                                                         <reference key="NSControlView" ref="575090266"/>
                                                         <int key="NSButtonFlags">-2038284033</int>
                                                         <int key="NSButtonFlags2">162</int>
                                                         <string key="NSAlternateContents"/>
                                                         <string key="NSKeyEquivalent"/>
                                                         <int key="NSPeriodicDelay">200</int>
                                                         <int key="NSPeriodicInterval">25</int>
                                                 </object>
                                         </object>
                                 </object>
                                 <string key="NSFrameSize">{440, 34}</string>
+                                <reference key="NSSuperview"/>
                                 <string key="NSClassName">NSView</string>
                         </object>
                         <object class="NSMenu" id="571207526">
                                 <string key="NSTitle">Completed Download</string>
                                 <object class="NSMutableArray" key="NSMenuItems">
                                         <bool key="EncodedWithXMLCoder">YES</bool>
                                         <object class="NSMenuItem" id="770771657">
                                                 <reference key="NSMenu" ref="571207526"/>
                                                 <string key="NSTitle">Open</string>
                                                 <string key="NSKeyEquiv"/>
@@ skipping 731 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>
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