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

chrome/browser/autocomplete/autocomplete_edit_view.h

 // Copyright (c) 2010 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 143 matching lines @@
 
   // Returns the gfx::NativeView of the edit view.
   virtual gfx::NativeView GetNativeView() const = 0;
 
   // Returns the command updater for this view.
   virtual CommandUpdater* GetCommandUpdater() = 0;
 
   // Shows the instant suggestion text.
   virtual void SetInstantSuggestion(const string16& input) = 0;
 
+  // Returns the current instant suggestion text.
+  virtual string16 GetInstantSuggestion() const = 0;
+
   // Returns the width in pixels needed to display the current text. The
   // returned value includes margins.
   virtual int TextWidth() const = 0;
 
   // Returns true if the user is composing something in an IME.
   virtual bool IsImeComposing() const = 0;
 
 #if defined(TOOLKIT_VIEWS)
   // Adds the autocomplete edit view to view hierarchy and
   // returns the views::View of the edit view.
   virtual views::View* AddToView(views::View* parent) = 0;
-
-  // Commits the suggested text.
-  virtual bool CommitInstantSuggestion(const string16& typed_text,
-                                       const string16& suggested_text) = 0;
 #endif
 
   virtual ~AutocompleteEditView() {}
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_H_