Resized the icon in the Uninstall dialog to be 64x64 px

chrome/app/nibs/ExtensionInstallPrompt.xib

 <?xml version="1.0" encoding="UTF-8"?>
 <archive type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="7.10">
         <data>
                 <int key="IBDocument.SystemTarget">1050</int>
                 <string key="IBDocument.SystemVersion">12C54</string>
                 <string key="IBDocument.InterfaceBuilderVersion">2549</string>
                 <string key="IBDocument.AppKitVersion">1187.34</string>
                 <string key="IBDocument.HIToolboxVersion">625.00</string>
                 <object class="NSMutableDictionary" key="IBDocument.PluginVersions">
                         <string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin</string>
@@ skipping 205 matching lines @@
                                                         <object class="NSArray" key="set.sortedObjects">
                                                                 <bool key="EncodedWithXMLCoder">YES</bool>
                                                                 <string>Apple PDF pasteboard type</string>
                                                                 <string>Apple PICT pasteboard type</string>
                                                                 <string>Apple PNG pasteboard type</string>
                                                                 <string>NSFilenamesPboardType</string>
                                                                 <string>NeXT Encapsulated PostScript v1.2 pasteboard type</string>
                                                                 <string>NeXT TIFF v4.0 pasteboard type</string>
                                                         </object>
                                                 </object>
-                                                <string key="NSFrame">{{380, 64}, {69, 69}}</string>
+                                                <string key="NSFrame">{{380, 64}, {64, 64}}</string>
                                                 <reference key="NSSuperview" ref="359431345"/>
                                                 <reference key="NSWindow"/>
                                                 <reference key="NSNextKeyView" ref="212922230"/>
                                                 <bool key="NSEnabled">YES</bool>
                                                 <object class="NSImageCell" key="NSCell" id="565316756">
                                                         <int key="NSCellFlags">134217728</int>
                                                         <int key="NSCellFlags2">33554432</int>
                                                         <int key="NSAlign">0</int>
                                                         <int key="NSScale">0</int>
                                                         <int key="NSStyle">0</int>
@@ skipping 708 matching lines @@
                         <real value="1070" key="NS.object.0"/>
                 </object>
                 <object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
                         <string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin.InterfaceBuilder3</string>
                         <integer value="3000" key="NS.object.0"/>
                 </object>
                 <bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
                 <int key="IBDocument.defaultPropertyAccessControl">3</int>
         </data>
 </archive>