Enabled pressing TAB to cycle through the Omnibox results.

chrome/browser/ui/views/autocomplete/autocomplete_popup_contents_view.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_UI_VIEWS_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_CONTENTS_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_CONTENTS_VIEW_H_
 #pragma once
 
+#include "base/memory/scoped_vector.h"
 #include "chrome/browser/autocomplete/autocomplete.h"
 #include "chrome/browser/autocomplete/autocomplete_popup_model.h"
 #include "chrome/browser/autocomplete/autocomplete_popup_view.h"
 #include "chrome/browser/ui/views/autocomplete/autocomplete_result_view_model.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/base/animation/slide_animation.h"
 #include "ui/gfx/font.h"
 #include "views/view.h"
 #include "webkit/glue/window_open_disposition.h"
 
@@ skipping 75 matching lines @@
   virtual void PaintChildren(gfx::Canvas* canvas) OVERRIDE;
 
   scoped_ptr<AutocompletePopupModel> model_;
 
   // The "Opt-in to Instant" promo view, if there is one.
   views::View* opt_in_view_;
 
  private:
   class AutocompletePopupWidget;
   class InstantOptInView;
+  typedef ScopedVector<ui::SlideAnimation> SlideAnimations;
 
   // Returns true if the model has a match at the specified index.
   bool HasMatchAt(size_t index) const;
 
   // Returns the match at the specified index within the popup model.
   const AutocompleteMatch& GetMatchAtIndex(size_t index) const;
 
   // Fill a path for the contents' roundrect. |bounding_rect| is the rect that
   // bounds the path.
   void MakeContentsPath(gfx::Path* path, const gfx::Rect& bounding_rect);
@@ skipping 49 matching lines @@
   // flag is reset to false on a mouse pressed event, to make sure we don't
   // erroneously ignore the next drag.
   bool ignore_mouse_drag_;
 
   // The popup sizes vertically using an animation when the popup is getting
   // shorter (not larger, that makes it look "slow").
   ui::SlideAnimation size_animation_;
   gfx::Rect start_bounds_;
   gfx::Rect target_bounds_;
 
+  // A list of animations for each result line.  The animation is used to
+  // gracefully switch between the result view and the keyword view for
+  // each line.
+  SlideAnimations keyword_animations_;
+
   DISALLOW_COPY_AND_ASSIGN(AutocompletePopupContentsView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_CONTENTS_VIEW_H_