Hitting Tab should always move cursor to end of omnibox text.

chrome/browser/autocomplete/autocomplete_edit_view_views.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_VIEWS_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_VIEWS_H_
 #pragma once
 
 #include <string>
 
@@ skipping 94 matching lines @@
   virtual void SetFocus();
   virtual void OnTemporaryTextMaybeChanged(const string16& display_text,
                                            bool save_original_selection);
   virtual bool OnInlineAutocompleteTextMaybeChanged(
       const string16& display_text, size_t user_text_length);
   virtual void OnRevertTemporaryText();
   virtual void OnBeforePossibleChange();
   virtual bool OnAfterPossibleChange();
   virtual gfx::NativeView GetNativeView() const;
   virtual CommandUpdater* GetCommandUpdater();
-  virtual views::View* AddToView(views::View* parent);
+  virtual void SetInstantSuggestion(const string16& input);
+  virtual string16 GetInstantSuggestion() const;
   virtual int TextWidth() const;
   virtual bool IsImeComposing() const;
-  virtual bool CommitInstantSuggestion(const string16& typed_text,
-                                       const string16& suggested_text);
-  virtual void SetInstantSuggestion(const string16& input);
+  virtual views::View* AddToView(views::View* parent);
 
   // Overridden from NotificationObserver:
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // Overridden from Textfield::Controller
   virtual void ContentsChanged(views::Textfield* sender,
                                const string16& new_contents);
   virtual bool HandleKeyEvent(views::Textfield* sender,
@@ skipping 67 matching lines @@
   // This flag should be set for changes directly caused by a key press event,
   // including changes to content text, selection range and preedit string.
   // Changes caused by function calls like SetUserText() should not affect this
   // flag.
   bool content_maybe_changed_by_key_press_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewViews);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_VIEWS_H_