Instant extended API: Make arrow up/down work.

chrome/browser/ui/omnibox/omnibox_edit_model.h

 // Copyright (c) 2012 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_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_
 #define CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 448 matching lines @@
   // and the popup is closed and "goog" is replaced by the permanent_text_,
   // which is the URL of the current page.
   //
   // original_url_ is only valid when there is temporary text, and is used as
   // the unique identifier of the originally selected item.  Thus, if the user
   // arrows to a different item with the same text, we can still distinguish
   // them and not revert all the way to the permanent_text_.
   bool has_temporary_text_;
   GURL original_url_;
 
+  // True if Instant set the current temporary text, as opposed to it being set
+  // due to the user arrowing up/down through the popup.
+  // TODO(sreeram): This is a temporary hack. Remove it once the omnibox edit
+  // model/view code is decoupled from Instant (among other things).
+  bool is_temporary_text_set_by_instant_;
+
   // When the user's last action was to paste, we disallow inline autocomplete
   // (on the theory that the user is trying to paste in a new URL or part of
   // one, and in either case inline autocomplete would get in the way).
   PasteState paste_state_;
 
   // Whether the control key is depressed.  We track this to avoid calling
   // UpdatePopup() repeatedly if the user holds down the key, and to know
   // whether to trigger "ctrl-enter" behavior.
   ControlKeyState control_key_state_;
 
@@ skipping 19 matching lines @@
   // an exact keyword match.  If this is true then keyword mode will be
   // triggered automatically if the input is "<keyword> <search string>".  We
   // allow this when CreatedKeywordSearchByInsertingSpaceInMiddle() is true.
   // This has no effect if we're already in keyword mode.
   bool allow_exact_keyword_match_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxEditModel);
 };
 
 #endif  // CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_EDIT_MODEL_H_