Make BrowserView layout both extension shelf and bookmarks bar if toolstrips...

Make BrowserView layout both extension shelf and bookmarks bar if toolstrips change in the extension shelf.

BUG=21269
BUG=21270
BUG=21274
TEST=none
Review URL: http://codereview.chromium.org/192041

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25760 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/views/extensions/extension_shelf.cc

@@ -705,7 +705,8 @@ void ExtensionShelf::ChildPreferredSizeChanged(View* child) {
   Toolstrip *toolstrip = ToolstripForView(static_cast<ExtensionView*>(child));
   if (!toolstrip)
     return;
-  Layout();
+
+  PreferredSizeChanged();
 }
 
 void ExtensionShelf::Layout() {