Mac: Add geolocation content setting.

chrome/app/nibs/ContentBubbleGeolocation.xib

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                 <string key="IBDocument.SystemVersion">9L31a</string>
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                 <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="4"/>
+                        <integer value="28"/>
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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">
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                         </object>
@@ skipping 122 matching lines @@
                                                                         <int key="NSvFlags">292</int>
                                                                         <object class="NSMutableArray" key="NSSubviews">
                                                                                 <bool key="EncodedWithXMLCoder">YES</bool>
                                                                                 <object class="NSButton" id="91589614">
                                                                                         <reference key="NSNextResponder" ref="730386640"/>
                                                                                         <int key="NSvFlags">292</int>
                                                                                         <string key="NSFrame">{{15, 13}, {115, 28}}</string>
                                                                                         <reference key="NSSuperview" ref="730386640"/>
                                                                                         <bool key="NSEnabled">YES</bool>
                                                                                         <object class="NSButtonCell" key="NSCell" id="319182835">
-                                                                                                <int key="NSCellFlags">604110336</int>
+                                                                                                <int key="NSCellFlags">67239424</int>
                                                                                                 <int key="NSCellFlags2">134348800</int>
                                                                                                 <string key="NSContents">^IDS_GEOLOCATION_BUBBLE_MANAGE_LINK</string>
                                                                                                 <reference key="NSSupport" ref="26"/>
                                                                                                 <reference key="NSControlView" ref="91589614"/>
                                                                                                 <int key="NSButtonFlags">-2038284033</int>
                                                                                                 <int key="NSButtonFlags2">129</int>
                                                                                                 <string key="NSAlternateContents"/>
                                                                                                 <string key="NSKeyEquivalent"/>
                                                                                                 <int key="NSPeriodicDelay">200</int>
                                                                                                 <int key="NSPeriodicInterval">25</int>
@@ skipping 580 matching lines @@
                                                 <string key="minorKey">browser/cocoa/themed_window.h</string>
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