Experiment with dislodging the Extension Shelf and having it only appear on t...

chrome/browser/tab_contents/tab_contents.h

Index: chrome/browser/tab_contents/tab_contents.h
===================================================================
--- chrome/browser/tab_contents/tab_contents.h	(revision 24842)
+++ chrome/browser/tab_contents/tab_contents.h	(working copy)
@@ -424,6 +424,9 @@
   // Returns whether the bookmark bar should be visible.
   virtual bool IsBookmarkBarAlwaysVisible();
 
+  // Returns whether the extension shelf should be visible.
+  virtual bool IsExtensionShelfAlwaysVisible();
+
   // Notifies the delegate that a download started.
   void OnStartDownload(DownloadItem* download);