Use the new ICU plural syntax to fix the strings in the hung pages dialog.

chrome/app/nibs/HungRendererDialog.xib

Index: chrome/app/nibs/HungRendererDialog.xib
diff --git a/chrome/app/nibs/HungRendererDialog.xib b/chrome/app/nibs/HungRendererDialog.xib
index fecdf666720ba2f4b1af167067249660bda71c48..f158b0532f8e9cf6aa58973342ece895103f31d0 100644
--- a/chrome/app/nibs/HungRendererDialog.xib
+++ b/chrome/app/nibs/HungRendererDialog.xib
@@ -51,7 +51,7 @@
 				<int key="NSWindowBacking">2</int>
 				<string key="NSWindowRect">{{196, 293}, {500, 217}}</string>
 				<int key="NSWTFlags">536870912</int>
-				<string key="NSWindowTitle">^IDS_BROWSER_HANGMONITOR_RENDERER_TITLE</string>
+				<string key="NSWindowTitle"></string>
 				<string key="NSWindowClass">NSWindow</string>
 				<nil key="NSViewClass"/>
 				<nil key="NSUserInterfaceItemIdentifier"/>
@@ -230,7 +230,7 @@
 							<object class="NSTextFieldCell" key="NSCell" id="636497192">
 								<int key="NSCellFlags">-2080374784</int>
 								<int key="NSCellFlags2">272629760</int>
-								<string key="NSContents">^IDS_BROWSER_HANGMONITOR_RENDERER</string>
+								<string key="NSContents"></string>
 								<object class="NSFont" key="NSSupport" id="832152429">
 									<string key="NSName">LucidaGrande</string>
 									<double key="NSSize">13</double>