Mac: Show a context menu for poup window.

chrome/app/nibs/BrowserWindow.xib

Index: chrome/app/nibs/BrowserWindow.xib
diff --git a/chrome/app/nibs/BrowserWindow.xib b/chrome/app/nibs/BrowserWindow.xib
index a0fa2285ff55f0bf7a444220a4e3df26fa214c21..d61c2e80b1396e13250bccef47b8dabcff4e6153 100644
--- a/chrome/app/nibs/BrowserWindow.xib
+++ b/chrome/app/nibs/BrowserWindow.xib
@@ -105,6 +105,12 @@
 				<string key="NSFrameSize">{236, 393}</string>
 				<string key="NSClassName">SideTabStripView</string>
 			</object>
+			<object class="NSCustomView" id="212980309">
+				<nil key="NSNextResponder"/>
+				<int key="NSvFlags">266</int>
+				<string key="NSFrameSize">{0, 0}</string>
+				<string key="NSClassName">PopupStripView</string>
+			</object>
 		</object>
 		<object class="IBObjectContainer" key="IBDocument.Objects">
 			<object class="NSMutableArray" key="connectionRecords">
@@ -157,6 +163,14 @@
 					</object>
 					<int key="connectionID">90</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
+						<string key="label">popupStripView_</string>
+						<reference key="source" ref="1001"/>
+						<reference key="destination" ref="212980309"/>
+					</object>
+					<int key="connectionID">92</int>
+				</object>
 			</object>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<object class="NSArray" key="orderedObjects">
@@ -238,6 +252,11 @@
 						<reference key="object" ref="529166964"/>
 						<reference key="parent" ref="0"/>
 					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">91</int>
+						<reference key="object" ref="212980309"/>
+						<reference key="parent" ref="0"/>
+					</object>
 				</object>
 			</object>
 			<object class="NSMutableDictionary" key="flattenedProperties">
@@ -268,6 +287,7 @@
 					<string>84.IBPluginDependency</string>
 					<string>89.IBEditorWindowLastContentRect</string>
 					<string>89.IBPluginDependency</string>
+					<string>91.IBPluginDependency</string>
 				</object>
 				<object class="NSMutableArray" key="dict.values">
 					<bool key="EncodedWithXMLCoder">YES</bool>
@@ -298,6 +318,7 @@
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 					<string>{{89, 611}, {236, 393}}</string>
 					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
+					<string>com.apple.InterfaceBuilder.CocoaPlugin</string>
 				</object>
 			</object>
 			<object class="NSMutableDictionary" key="unlocalizedProperties">
@@ -316,7 +337,7 @@
 				</object>
 			</object>
 			<nil key="sourceID"/>
-			<int key="maxID">90</int>
+			<int key="maxID">92</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
@@ -434,6 +455,14 @@
 					</object>
 				</object>
 				<object class="IBPartialClassDescription">
+					<string key="className">PopupStripView</string>
+					<string key="superclassName">NSView</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBUserSource</string>
+						<string key="minorKey"/>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
 					<string key="className">SideTabStripView</string>
 					<string key="superclassName">TabStripView</string>
 					<object class="IBClassDescriptionSource" key="sourceIdentifier">
@@ -467,12 +496,14 @@
 						<bool key="EncodedWithXMLCoder">YES</bool>
 						<object class="NSArray" key="dict.sortedKeys">
 							<bool key="EncodedWithXMLCoder">YES</bool>
+							<string>popupStripView_</string>
 							<string>sideTabStripView_</string>
 							<string>tabContentArea_</string>
 							<string>topTabStripView_</string>
 						</object>
 						<object class="NSMutableArray" key="dict.values">
 							<bool key="EncodedWithXMLCoder">YES</bool>
+							<string>PopupStripView</string>
 							<string>TabStripView</string>
 							<string>FastResizeView</string>
 							<string>TabStripView</string>
@@ -482,6 +513,7 @@
 						<bool key="EncodedWithXMLCoder">YES</bool>
 						<object class="NSArray" key="dict.sortedKeys">
 							<bool key="EncodedWithXMLCoder">YES</bool>
+							<string>popupStripView_</string>
 							<string>sideTabStripView_</string>
 							<string>tabContentArea_</string>
 							<string>topTabStripView_</string>
@@ -489,6 +521,10 @@
 						<object class="NSMutableArray" key="dict.values">
 							<bool key="EncodedWithXMLCoder">YES</bool>
 							<object class="IBToOneOutletInfo">
+								<string key="name">popupStripView_</string>
+								<string key="candidateClassName">PopupStripView</string>
+							</object>
+							<object class="IBToOneOutletInfo">
 								<string key="name">sideTabStripView_</string>
 								<string key="candidateClassName">TabStripView</string>
 							</object>