Cleanup: Remove "gray text" logic from Omnibox

chrome/browser/ui/views/location_bar/location_bar_view.h

Index: chrome/browser/ui/views/location_bar/location_bar_view.h
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.h b/chrome/browser/ui/views/location_bar/location_bar_view.h
index d54d2617c6a289be6273f9bbb4aaceeeefb2e199..4b7c84f02c7c6b56e007714674107ab2537d127a 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.h
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.h
@@ -193,12 +193,6 @@ class LocationBarView : public LocationBar,
   // comments on |ime_inline_autocomplete_view_|.
   void SetImeInlineAutocompletion(const base::string16& text);
 
-  // Invoked from OmniboxViewWin to show gray text autocompletion.
-  void SetGrayTextAutocompletion(const base::string16& text);
-
-  // Returns the current gray text autocompletion.
-  base::string16 GetGrayTextAutocompletion() const;
-
   // Set if we should show a focus rect while the location entry field is
   // focused. Used when the toolbar is in full keyboard accessibility mode.
   // Repaints if necessary.