Truncate long extension titles for webstore installs.

chrome/app/nibs/ExtensionInstallPromptWebstoreData.xib

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-                <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>
+                <string key="IBDocument.SystemVersion">12F45</string>
+                <string key="IBDocument.InterfaceBuilderVersion">3084</string>
+                <string key="IBDocument.AppKitVersion">1187.40</string>
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                         <bool key="EncodedWithXMLCoder">YES</bool>
                         <string>NSBox</string>
                         <string>NSButton</string>
                         <string>NSButtonCell</string>
                         <string>NSCustomObject</string>
                         <string>NSCustomView</string>
                         <string>NSImageCell</string>
                         <string>NSImageView</string>
@@ skipping 406 matching lines @@
                                         </object>
                                         <object class="NSTextField" id="116161706">
                                                 <reference key="NSNextResponder" ref="606567991"/>
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                                                 <string key="NSFrame">{{19, 183}, {357, 17}}</string>
                                                 <reference key="NSSuperview" ref="606567991"/>
                                                 <reference key="NSWindow"/>
                                                 <reference key="NSNextKeyView" ref="1019866569"/>
                                                 <bool key="NSEnabled">YES</bool>
                                                 <object class="NSTextFieldCell" key="NSCell" id="765561203">
-                                                        <int key="NSCellFlags">67108864</int>
-                                                        <int key="NSCellFlags2">272629760</int>
+                                                        <int key="NSCellFlags">67108928</int>
+                                                        <int key="NSCellFlags2">272631808</int>
                                                         <string key="NSContents">Title</string>
                                                         <object class="NSFont" key="NSSupport">
                                                                 <string key="NSName">LucidaGrande</string>
                                                                 <double key="NSSize">15</double>
                                                                 <int key="NSfFlags">16</int>
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                                                         <reference key="NSControlView" ref="116161706"/>
                                                         <reference key="NSBackgroundColor" ref="106251383"/>
                                                         <reference key="NSTextColor" ref="850430042"/>
                                                 </object>
@@ skipping 728 matching lines @@
                                         </object>
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                         <string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin.macosx</string>
                         <integer value="1050" key="NS.object.0"/>
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+                <object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
+                        <string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin.macosx</string>
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                 <object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
                         <string key="NS.key.0">com.apple.InterfaceBuilder.CocoaPlugin.InterfaceBuilder3</string>
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