Remove search::GetSearchTerms since it always returns empty string

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h

Index: chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h
diff --git a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h
index 1c09fd58e70fc0caf75bbdbd796d12169ee8b2f9..142f9c13cb3f33600f2e58a0421cb0e5eb84e015 100644
--- a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h
+++ b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h
@@ -53,12 +53,6 @@ class AutocompleteTextFieldObserver {
   // |pboard|.
   virtual void CopyToPasteboard(NSPasteboard* pboard) = 0;
 
-  // Returns true if the Show URL option should be available.
-  virtual bool ShouldEnableShowURL() = 0;
-
-  // Shows the underlying URL.  See OmniboxView::ShowURL().
-  virtual void ShowURL() = 0;
-
   // Returns true if the current clipboard text supports paste and go
   // (or paste and search).
   virtual bool CanPasteAndGo() = 0;
@@ -113,9 +107,6 @@ class AutocompleteTextFieldObserver {
   // Called before the text field handles a mouse down event.
   virtual void OnMouseDown(NSInteger button_number) = 0;
 
-  // Returns true if mouse down should select all.
-  virtual bool ShouldSelectAllOnMouseDown() = 0;
-
  protected:
   virtual ~AutocompleteTextFieldObserver() {}
 };