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

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
===================================================================
--- chrome/common/pref_names.cc	(revision 24842)
+++ chrome/common/pref_names.cc	(working copy)
@@ -537,6 +537,9 @@
 const wchar_t kEnableExtensions[] = L"extensions.enabled";
 const wchar_t kEnableUserScripts[] = L"extensions.user_scripts_enabled";
 
+// Boolean which specifies whether the Extension Shelf is visible on all tabs.
+const wchar_t kShowExtensionShelf[] = L"extensions.shelf.show_on_all_tabs";
+
 // Time of the last, and next scheduled, extensions auto-update checks.
 const wchar_t kLastExtensionsUpdateCheck[] =
     L"extensions.autoupdate.last_check";