Interpret '?' and Ctrl-K or Ctrl-E as putting omnibox in keyword search mode for Default Search Pro…

components/omnibox/browser/autocomplete_input.h

Index: components/omnibox/browser/autocomplete_input.h
diff --git a/components/omnibox/browser/autocomplete_input.h b/components/omnibox/browser/autocomplete_input.h
index 1c047065d40e5992fdb660825e5c590e97ae5963..d6281f86c6d0d12b6770debd44622600503a5001 100644
--- a/components/omnibox/browser/autocomplete_input.h
+++ b/components/omnibox/browser/autocomplete_input.h
@@ -83,12 +83,6 @@ class AutocompleteInput {
   AutocompleteInput(const AutocompleteInput& other);
   ~AutocompleteInput();
 
-  // If type is |FORCED_QUERY| and |text| starts with '?', it is removed.
-  // Returns number of leading characters removed.
-  static size_t RemoveForcedQueryStringIfNecessary(
-      metrics::OmniboxInputType::Type type,
-      base::string16* text);
-
   // Converts |type| to a string representation.  Used in logging.
   static std::string TypeToString(metrics::OmniboxInputType::Type type);