[Mac] Fix a crash in the cookies manager that was caused by an invalid selection.

chrome/app/nibs/Cookies.xib

Index: chrome/app/nibs/Cookies.xib
diff --git a/chrome/app/nibs/Cookies.xib b/chrome/app/nibs/Cookies.xib
index 72a7860fb79791a8b5607deffa71a8c55fdb4cc5..b8e9ae4735cecc6786612eeba81f325b758611a9 100644
--- a/chrome/app/nibs/Cookies.xib
+++ b/chrome/app/nibs/Cookies.xib
@@ -12,7 +12,7 @@
 		</object>
 		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
 			<bool key="EncodedWithXMLCoder">YES</bool>
-			<integer value="132"/>
+			<integer value="130"/>
 		</object>
 		<object class="NSArray" key="IBDocument.PluginDependencies">
 			<bool key="EncodedWithXMLCoder">YES</bool>
@@ -714,26 +714,6 @@
 				</object>
 				<object class="IBConnectionRecord">
 					<object class="IBBindingConnection" key="connection">
-						<string key="label">enabled: selectionIndexPath</string>
-						<reference key="source" ref="328853880"/>
-						<reference key="destination" ref="317796902"/>
-						<object class="NSNibBindingConnector" key="connector">
-							<reference key="NSSource" ref="328853880"/>
-							<reference key="NSDestination" ref="317796902"/>
-							<string key="NSLabel">enabled: selectionIndexPath</string>
-							<string key="NSBinding">enabled</string>
-							<string key="NSKeyPath">selectionIndexPath</string>
-							<object class="NSDictionary" key="NSOptions">
-								<string key="NS.key.0">NSValueTransformerName</string>
-								<string key="NS.object.0">NSIsNotNil</string>
-							</object>
-							<int key="NSNibBindingConnectorVersion">2</int>
-						</object>
-					</object>
-					<int key="connectionID">126</int>
-				</object>
-				<object class="IBConnectionRecord">
-					<object class="IBBindingConnection" key="connection">
 						<string key="label">enabled: arrangedObjects.count</string>
 						<reference key="source" ref="153456657"/>
 						<reference key="destination" ref="317796902"/>
@@ -1003,6 +983,22 @@
 					</object>
 					<int key="connectionID">173</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBBindingConnection" key="connection">
+						<string key="label">enabled: removeButtonEnabled</string>
+						<reference key="source" ref="328853880"/>
+						<reference key="destination" ref="1001"/>
+						<object class="NSNibBindingConnector" key="connector">
+							<reference key="NSSource" ref="328853880"/>
+							<reference key="NSDestination" ref="1001"/>
+							<string key="NSLabel">enabled: removeButtonEnabled</string>
+							<string key="NSBinding">enabled</string>
+							<string key="NSKeyPath">removeButtonEnabled</string>
+							<int key="NSNibBindingConnectorVersion">2</int>
+						</object>
+					</object>
+					<int key="connectionID">176</int>
+				</object>
 			</object>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<object class="NSArray" key="orderedObjects">
@@ -1568,7 +1564,7 @@
 				</object>
 			</object>
 			<nil key="sourceID"/>
-			<int key="maxID">173</int>
+			<int key="maxID">176</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
@@ -1696,13 +1692,6 @@
 						<string key="minorKey">browser/cocoa/tab_strip_model_observer_bridge.h</string>
 					</object>
 				</object>
-				<object class="IBPartialClassDescription">
-					<string key="className">NSWindow</string>
-					<object class="IBClassDescriptionSource" key="sourceIdentifier">
-						<string key="majorKey">IBProjectSource</string>
-						<string key="minorKey">browser/cocoa/nswindow_local_state.h</string>
-					</object>
-				</object>
 			</object>
 			<object class="NSMutableArray" key="referencedPartialClassDescriptionsV3.2+">
 				<bool key="EncodedWithXMLCoder">YES</bool>