Making the focus remembering across tab switch work.

chrome/browser/autocomplete/autocomplete_edit_view.h

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file defines the interface class AutocompleteEditView.  Each toolkit
 // will implement the edit view differently, so that code is inherently
 // platform specific.  However, the AutocompleteEditModel needs to do some
 // communication with the view.  Since the model is shared between platforms,
 // we need to define an interface that all view implementations will share.
 
@@ skipping 79 matching lines @@
   // showing, popup closed, no user input in progress).
   virtual void RevertAll() = 0;
 
   // Updates the autocomplete popup and other state after the text has been
   // changed by the user.
   virtual void UpdatePopup() = 0;
 
   // Closes the autocomplete popup, if it's open.
   virtual void ClosePopup() = 0;
 
+  // Sets the focus to the autocomplete view.
+  virtual void SetFocus() = 0;
+
   // Called when the temporary text in the model may have changed.
   // |display_text| is the new text to show; |save_original_selection| is true
   // when there wasn't previously a temporary text and thus we need to save off
   // the user's existing selection.
   virtual void OnTemporaryTextMaybeChanged(const std::wstring& display_text,
                                            bool save_original_selection) = 0;
 
   // Called when the inline autocomplete text in the model may have changed.
   // |display_text| is the new text to show; |user_text_length| is the length of
   // the user input portion of that (so, up to but not including the inline
@@ skipping 11 matching lines @@
   virtual void OnBeforePossibleChange() = 0;
   // OnAfterPossibleChange() returns true if there was a change that caused it
   // to call UpdatePopup().
   virtual bool OnAfterPossibleChange() = 0;
 
   // Returns the gfx::NativeView of the edit view.
   virtual gfx::NativeView GetNativeView() const = 0;
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_H_