Enable Search-key modifiers for extended key shortcuts.

ash/shell_delegate.h

Index: ash/shell_delegate.h
diff --git a/ash/shell_delegate.h b/ash/shell_delegate.h
index e6fc43f8dbb9787cb76e30695335a74f66c99823..bdd3958045e8d6c58d423c81154b15afbc51262b 100644
--- a/ash/shell_delegate.h
+++ b/ash/shell_delegate.h
@@ -216,10 +216,6 @@ class ASH_EXPORT ShellDelegate {
   // Creates the stacking client. Shell takes ownership of the object.
   virtual aura::client::StackingClient* CreateStackingClient() = 0;
 
-  // True if the user's preferences have the Search key acting as a Function key
-  // modifier for accessing extended keyboard shortcuts.
-  virtual bool IsSearchKeyActingAsFunctionKey() const = 0;
-
   // Creates a root window host factory. Shell takes ownership of the returned
   // value.
   virtual RootWindowHostFactory* CreateRootWindowHostFactory() = 0;