[Mac] Convert Omnibox paste-and-go to use AutocompleteTextFieldObserver.

chrome/browser/autocomplete/autocomplete_edit_view_mac.h

Index: chrome/browser/autocomplete/autocomplete_edit_view_mac.h
diff --git a/chrome/browser/autocomplete/autocomplete_edit_view_mac.h b/chrome/browser/autocomplete/autocomplete_edit_view_mac.h
index 5913c425f024a9e2800f9a021c9a66a06ad0fe56..56d7cee840a275e5c51988573a26b2a11acf6dc5 100644
--- a/chrome/browser/autocomplete/autocomplete_edit_view_mac.h
+++ b/chrome/browser/autocomplete/autocomplete_edit_view_mac.h
@@ -93,6 +93,9 @@ class AutocompleteEditViewMac : public AutocompleteEditView,
   // Implement the AutocompleteTextFieldObserver interface.
   virtual void OnControlKeyChanged(bool pressed);
   virtual void OnPaste();
+  virtual bool CanPasteAndGo();
+  virtual int GetPasteActionStringId();
+  virtual void OnPasteAndGo();
 
   // Helper functions for use from AutocompleteEditHelper Objective-C
   // class.
@@ -115,19 +118,6 @@ class AutocompleteEditViewMac : public AutocompleteEditView,
   // visual state (such as closing the popup).
   void OnDidResignKey();
 
-  // Returns true if the current clipboard text supports paste and go (or paste
-  // and search).
-  bool CanPasteAndGo();
-
-  // Returns the appropriate "Paste and Go" or "Paste and Search" context menu
-  // string, depending on what is currently in the clipboard.  Must not be
-  // called unless CanPasteAndGo() returns true.
-  int GetPasteActionStringId();
-
-  // Called when the user initiates a "paste and go" or "paste and search" into
-  // |field_|.
-  void OnPasteAndGo();
-
   // Checks if a keyword search is possible and forwards to |model_|
   // if so.  Returns true if the tab should be eaten.
   bool OnTabPressed();