Add an accordian effect to NTP.

chrome/common/extensions/extension.cc

Index: chrome/common/extensions/extension.cc
diff --git a/chrome/common/extensions/extension.cc b/chrome/common/extensions/extension.cc
index 728006cc84d1da8dc8df6f73899c9c668ea09b53..0a0a9c43f26e21e6cf4be11e6656945f914f62c3 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -1704,7 +1704,15 @@ Extension::Icons Extension::GetIconResourceAllowLargerSize(
   return ret;
 }
 
-GURL Extension::GetIconUrlAllowLargerSize(Icons icon) {
+GURL Extension::GetIconURL(Icons icon) {
+  std::string path = GetIconPath(icon);
+  if (path.empty())
+    return GURL();
+  else
+    return GetResourceURL(path);
+}
+
+GURL Extension::GetIconURLAllowLargerSize(Icons icon) {
   std::string path;
   GetIconPathAllowLargerSize(&path, icon);
   return GetResourceURL(path);