Rename button from "Close" to "Done" on bookmark bubble and content bubbles.

chrome/app/nibs/ContentBlockedPlugins.xib

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+                                                                        <int key="NSSelectedRow">1</int>
+                                                                        <reference key="NSSelectedCell" ref="619648789"/>
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@@ skipping 62 matching lines @@
                                                                                 <bool key="EncodedWithXMLCoder">YES</bool>
                                                                                 <object class="NSButton" id="433059244">
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                                                                                                 <int key="NSCellFlags">67239424</int>
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-                                                                                                <string key="NSContents">^IDS_CLOSE</string>
+                                                                                                <string key="NSContents">^IDS_DONE</string>
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@@ skipping 492 matching lines @@
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