Moved the close button to be aligned with the label text on a Mac

chrome/app/nibs/en.lproj/InfoBar.xib

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@@ skipping 92 matching lines @@
                                                         <int key="NSAlign">0</int>
                                                         <int key="NSScale">3</int>
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                                                         <bool key="NSAnimates">NO</bool>
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                                         <object class="NSButton" id="861420161">
                                                 <reference key="NSNextResponder" ref="1005"/>
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                                                 <bool key="NSEnabled">YES</bool>
                                                 <object class="NSButtonCell" key="NSCell" id="1030694164">
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+                                                        <int key="NSCellFlags">-2080244224</int>
                                                         <int key="NSCellFlags2">134217728</int>
                                                         <string key="NSContents">Button</string>
                                                         <reference key="NSSupport" ref="3997082"/>
                                                         <reference key="NSControlView" ref="861420161"/>
                                                         <int key="NSButtonFlags">-2042347265</int>
                                                         <int key="NSButtonFlags2">1</int>
                                                         <object class="NSCustomResource" key="NSNormalImage">
                                                                 <string key="NSClassName">NSImage</string>
                                                                 <string key="NSResourceName">NSStopProgressTemplate</string>
                                                         </object>
@@ skipping 257 matching lines @@
                                                 <string key="minorKey">browser/cocoa/tab_strip_model_observer_bridge.h</string>
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