Update Panel UI looks on Windows.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
===================================================================
--- chrome/app/generated_resources.grd	(revision 87324)
+++ chrome/app/generated_resources.grd	(working copy)
@@ -4728,9 +4728,6 @@
       <message name="IDS_ACCNAME_SIDE_BAR" desc="The accessible name for the side bar.">
         Sidebar
       </message>
-      <message name="IDS_ACCNAME_ABOUT_PANEL" desc="The accessible name for 'About this Panel' button on the panel window.">
-        About this panel
-      </message>
 
       <!-- Browser Hung Plugin Detector -->
       <message name="IDS_UNKNOWN_PLUGIN_NAME" desc="Name for a plugin whose name could not be determined">
@@ -12602,17 +12599,6 @@
       bookmarks_<ph name="DATESTAMP">$1<ex>02_11_11</ex></ph>.html
     </message>
 
-    <!-- Panels -->
-    <message name="IDS_ABOUT_PANEL_BUBBLE_EXTENSION_INSTALL_DATE" desc="Text for the label of the about panel bubble to show the extension install date.">
-      Extension installed: <ph name="DATE">$1<ex>January 1, 2011</ex></ph>
-    </message>
-    <message name="IDS_ABOUT_PANEL_BUBBLE_UNINSTALL_EXTENSION" desc="Text for the link shown on the about panel bubble to uninstall the extension.">
-      Uninstall <ph name="EXTENSION_NAME">$1<ex>Sample Extension</ex></ph>
-    </message>
-    <message name="IDS_ABOUT_PANEL_BUBBLE_REPORT_ABUSE" desc="Text for the link shown on the about panel bubble to report the abuse.">
-      Report abuse
-    </message>
-
     <!-- Quota messages -->
     <message name="IDS_REQUEST_QUOTA_INFOBAR_QUESTION" desc="Question asked on the info bar whenever webapp requests new (larger) quota to persistently store data on the user's local computer (e.g. for persistent-type filesystem).">
       <ph name="URL">