Add a very basic preferences window controller with unit test. Fix the prefs ...

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

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         <data>
                 <int key="IBDocument.SystemTarget">1050</int>
                 <string key="IBDocument.SystemVersion">9G55</string>
                 <string key="IBDocument.InterfaceBuilderVersion">677</string>
                 <string key="IBDocument.AppKitVersion">949.43</string>
                 <string key="IBDocument.HIToolboxVersion">353.00</string>
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                         <bool key="EncodedWithXMLCoder">YES</bool>
                 </object>
                 <object class="NSArray" key="IBDocument.PluginDependencies">
                         <bool key="EncodedWithXMLCoder">YES</bool>
                         <string>com.apple.InterfaceBuilder.CocoaPlugin</string>
                 </object>
                 <object class="NSMutableDictionary" key="IBDocument.Metadata">
                         <bool key="EncodedWithXMLCoder">YES</bool>
                         <object class="NSArray" key="dict.sortedKeys">
                                 <bool key="EncodedWithXMLCoder">YES</bool>
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                         <object class="NSMutableArray" key="dict.values">
                                 <bool key="EncodedWithXMLCoder">YES</bool>
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                 </object>
                 <object class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
                         <bool key="EncodedWithXMLCoder">YES</bool>
                         <object class="NSCustomObject" id="1001">
-                                <string key="NSClassName">NSObject</string>
+                                <string key="NSClassName">NSWindowController</string>
                         </object>
                         <object class="NSCustomObject" id="1003">
                                 <string key="NSClassName">FirstResponder</string>
                         </object>
                         <object class="NSCustomObject" id="1004">
                                 <string key="NSClassName">NSApplication</string>
                         </object>
                         <object class="NSWindowTemplate" id="871378074">
                                 <int key="NSWindowStyleMask">15</int>
                                 <int key="NSWindowBacking">2</int>
                                 <string key="NSWindowRect">{{196, 7}, {559, 503}}</string>
-                                <int key="NSWTFlags">1677721600</int>
+                                <int key="NSWTFlags">1677722624</int>
                                 <string key="NSWindowTitle">Preferences</string>
                                 <string key="NSWindowClass">NSWindow</string>
                                 <nil key="NSViewClass"/>
                                 <string key="NSWindowContentMaxSize">{3.40282e+38, 3.40282e+38}</string>
                                 <object class="NSView" key="NSWindowView" id="408649839">
                                         <nil key="NSNextResponder"/>
                                         <int key="NSvFlags">256</int>
                                         <object class="NSMutableArray" key="NSSubviews">
                                                 <bool key="EncodedWithXMLCoder">YES</bool>
                                                 <object class="NSTabView" id="838559838">
@@ skipping 2251 matching lines @@
                                                 </object>
                                         </object>
                                 </object>
                                 <string key="NSFrameSize">{482, 811}</string>
                                 <string key="NSClassName">NSView</string>
                         </object>
                 </object>
                 <object class="IBObjectContainer" key="IBDocument.Objects">
                         <object class="NSMutableArray" key="connectionRecords">
                                 <bool key="EncodedWithXMLCoder">YES</bool>
+                                <object class="IBConnectionRecord">
+                                        <object class="IBOutletConnection" key="connection">
+                                                <string key="label">window</string>
+                                                <reference key="source" ref="1001"/>
+                                                <reference key="destination" ref="871378074"/>
+                                        </object>
+                                        <int key="connectionID">252</int>
+                                </object>
                         </object>
                         <object class="IBMutableOrderedSet" key="objectRecords">
                                 <object class="NSArray" key="orderedObjects">
                                         <bool key="EncodedWithXMLCoder">YES</bool>
                                         <object class="IBObjectRecord">
                                                 <int key="objectID">0</int>
                                                 <object class="NSArray" key="object" id="1002">
                                                         <bool key="EncodedWithXMLCoder">YES</bool>
                                                 </object>
                                                 <reference key="children" ref="1000"/>
@@ skipping 1452 matching lines @@
                         <object class="NSMutableDictionary" key="localizations">
                                 <bool key="EncodedWithXMLCoder">YES</bool>
                                 <object class="NSArray" key="dict.sortedKeys">
                                         <bool key="EncodedWithXMLCoder">YES</bool>
                                 </object>
                                 <object class="NSMutableArray" key="dict.values">
                                         <bool key="EncodedWithXMLCoder">YES</bool>
                                 </object>
                         </object>
                         <nil key="sourceID"/>
-                        <int key="maxID">251</int>
+                        <int key="maxID">252</int>
                 </object>
-                <object class="IBClassDescriber" key="IBDocument.Classes"/>
+                <object class="IBClassDescriber" key="IBDocument.Classes">
+                        <object class="NSMutableArray" key="referencedPartialClassDescriptions">
+                                <bool key="EncodedWithXMLCoder">YES</bool>
+                                <object class="IBPartialClassDescription">
+                                        <string key="className">NSObject</string>
+                                        <object class="IBClassDescriptionSource" key="sourceIdentifier">
+                                                <string key="majorKey">IBProjectSource</string>
+                                                <string key="minorKey">browser/cocoa/tab_strip_model_observer_bridge.h</string>
+                                        </object>
+                                </object>
+                        </object>
+                </object>
                 <int key="IBDocument.localizationMode">0</int>
-                <nil key="IBDocument.LastKnownRelativeProjectPath"/>
+                <string key="IBDocument.LastKnownRelativeProjectPath">../../../chrome.xcodeproj</string>
                 <int key="IBDocument.defaultPropertyAccessControl">3</int>
         </data>
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