Remove extension automation support that was used only by CEEE.

chrome/browser/external_tab_container_win.h

Index: chrome/browser/external_tab_container_win.h
diff --git a/chrome/browser/external_tab_container_win.h b/chrome/browser/external_tab_container_win.h
index 02f588463df23e5e5eeeeff96a3855d033ca21b6..4bf35b5a22e9d9ae6e1165b74be6080c9ccaeec3 100644
--- a/chrome/browser/external_tab_container_win.h
+++ b/chrome/browser/external_tab_container_win.h
@@ -187,12 +187,6 @@ class ExternalTabContainer : public TabContentsDelegate,
   // Returns NULL if we fail to find the cookie in the map.
   static scoped_refptr<ExternalTabContainer> RemovePendingTab(uintptr_t cookie);
 
-  // Enables extension automation (for e.g. UITests), with the current tab
-  // used as a conduit for the extension API messages being handled by the
-  // automation client.
-  void SetEnableExtensionAutomation(
-      const std::vector<std::string>& functions_enabled);
-
   // Overridden from views::WidgetWin:
   virtual views::Window* GetWindow();
 
@@ -304,9 +298,6 @@ class ExternalTabContainer : public TabContentsDelegate,
   // Contains ExternalTabContainers that have not been connected to as yet.
   static base::LazyInstance<PendingTabs> pending_tabs_;
 
-  // True if this tab is currently the conduit for extension API automation.
-  bool enabled_extension_automation_;
-
   // Allows us to run tasks on the ExternalTabContainer instance which are
   // bound by its lifetime.
   ScopedRunnableMethodFactory<ExternalTabContainer> external_method_factory_;